$CAC
CAMDEN NATIONAL CORP Stock $cac

$cac Overview Financials Valuation SEC Filings Company Website

2020 Q4 Form 10-K Financial Statement

#000075068621000026 Filed on March 15, 2021

Income Statement

Concept	2020 Q4	2019 Q4	2019 Q3
Revenue	$39.14M	$41.55M	$42.52M
YoY Change	-5.8%	2.72%	10.28%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$1.100M	$1.200M	$1.100M
YoY Change	-8.33%	0.0%	10.0%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$3.681M	$9.313M	$10.60M
YoY Change	-60.47%	5.04%	30.28%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$22.84M	$19.16M	$18.18M
YoY Change	19.22%	9.61%	5.14%
Income Tax	$4.564M	$3.921M	$3.696M
% Of Pretax Income	19.98%	20.47%	20.33%
Net Earnings	$18.28M	$15.24M	$14.49M
YoY Change	19.95%	9.02%	3.07%
Net Earnings / Revenue	46.7%	36.67%	34.07%
Basic Earnings Per Share	$1.22	$1.00	$0.94
Diluted Earnings Per Share	$1.22	$0.99	$0.94
COMMON SHARES
Basic Shares Outstanding	14.92M shares	15.19M shares	15.34M shares
Diluted Shares Outstanding			15.38M shares

Balance Sheet

Concept	2020 Q4	2019 Q4	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.279B	$1.013B	$1.064B
YoY Change	26.28%	1.89%	7.63%
Cash & Equivalents	$145.8M	$75.64M	$137.5M
Short-Term Investments	$1.133B	$936.9M	$926.4M
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$39.88M	$41.84M	$40.93M
YoY Change	-4.67%	-1.55%	-0.84%
Goodwill	$94.70M	$94.70M	$94.70M
YoY Change	0.0%	0.0%	0.0%
Intangibles	$2.843M	$3.525M
YoY Change	-19.35%	-16.67%
Long-Term Investments
YoY Change
Other Assets	$12.00M	$16.80M	$15.70M
YoY Change	-28.57%	-27.27%	-38.91%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$4.899B	$4.430B	$4.520B
YoY Change	10.59%	3.07%	7.84%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$117.4M	$65.80M	$73.50M
YoY Change	78.42%	18.35%	-0.41%
Accrued Expenses		$13.10M	$13.10M
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$162.4M	$268.8M	$273.5M
YoY Change	-39.57%	-0.76%	-33.26%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$279.8M	$316.9M	$360.1M
YoY Change	-11.71%	5.11%	2.13%
LONG-TERM LIABILITIES
Long-Term Debt	$59.30M	$60.70M	$60.70M
YoY Change	-2.31%	0.17%	1.51%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$59.30M	$60.70M	$60.70M
YoY Change	-2.31%	0.17%	1.51%
TOTAL LIABILITIES
Total Short-Term Liabilities	$279.8M	$316.9M	$360.1M
Total Long-Term Liabilities	$59.30M	$60.70M	$60.70M
Total Liabilities	$4.369B	$3.956B	$4.049B
YoY Change	10.45%	2.45%	7.28%
SHAREHOLDERS EQUITY
Retained Earnings	$377.5M	$340.6M	$330.3M
YoY Change	10.84%	12.76%	12.84%
Common Stock	$131.1M	$139.1M	$142.2M
YoY Change	-5.77%	-12.08%	-10.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$529.3M	$473.4M	$471.7M
YoY Change
Total Liabilities & Shareholders Equity	$4.899B	$4.430B	$4.520B
YoY Change	10.59%	3.07%	7.84%

Cashflow Statement

Concept	2020 Q4	2019 Q4	2019 Q3
OPERATING ACTIVITIES
Net Income	$18.28M	$15.24M	$14.49M
YoY Change	19.95%	9.02%	3.07%
Depreciation, Depletion And Amortization	$1.100M	$1.200M	$1.100M
YoY Change	-8.33%	0.0%	10.0%
Cash From Operating Activities	$24.10M	$30.00M	$9.200M
YoY Change	-19.67%	177.78%	-58.74%
INVESTING ACTIVITIES
Capital Expenditures	$300.0K	$1.900M	$500.0K
YoY Change	-84.21%	-9.52%	-58.33%
Acquisitions
YoY Change
Other Investing Activities	$47.50M	$3.000M	-$700.0K
YoY Change	1483.33%	-102.13%	-96.15%
Cash From Investing Activities	$47.10M	$1.200M	-$1.200M
YoY Change	3825.0%	-100.84%	-93.81%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-271.9M	-93.10M	43.40M
YoY Change	192.05%	-192.18%	-299.08%
NET CHANGE
Cash From Operating Activities	24.10M	30.00M	9.200M
Cash From Investing Activities	47.10M	1.200M	-1.200M
Cash From Financing Activities	-271.9M	-93.10M	43.40M
Net Change In Cash	-200.7M	-61.90M	51.40M
YoY Change	224.23%	97.76%	-371.96%
FREE CASH FLOW
Cash From Operating Activities	$24.10M	$30.00M	$9.200M
Capital Expenditures	$300.0K	$1.900M	$500.0K
Free Cash Flow	$23.80M	$28.10M	$8.700M
YoY Change	-15.3%	222.99%	-58.77%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	0-28190
CY2020	dei	Entity Registrant Name EntityRegistrantName	CAMDEN NATIONAL CORP
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	ME
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	01-0413282
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	2 Elm Street
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Camden
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	ME
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CY2020	dei	Security12b Title Security12bTitle	Common Stock, without par value
CY2020	dei	Trading Symbol TradingSymbol	CAC
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CY2018	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	5914000	USD
CY2020	cac	Brokerage Fees And Insurance Income BrokerageFeesAndInsuranceIncome	2832000	USD
CY2019	cac	Brokerage Fees And Insurance Income BrokerageFeesAndInsuranceIncome	2625000	USD
CY2018	cac	Brokerage Fees And Insurance Income BrokerageFeesAndInsuranceIncome	2615000	USD
CY2020	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2533000	USD
CY2019	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2425000	USD
CY2018	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2430000	USD
CY2020	us-gaap	Interest And Fee Income Loans Commercial InterestAndFeeIncomeLoansCommercial	222000	USD
CY2019	us-gaap	Interest And Fee Income Loans Commercial InterestAndFeeIncomeLoansCommercial	1166000	USD
CY2018	us-gaap	Interest And Fee Income Loans Commercial InterestAndFeeIncomeLoansCommercial	956000	USD
CY2020	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	0	USD
CY2019	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	-105000	USD
CY2018	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	275000	USD
CY2020	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	3184000	USD
CY2019	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	4170000	USD
CY2018	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	3290000	USD
CY2020	us-gaap	Noninterest Income NoninterestIncome	50490000	USD
CY2019	us-gaap	Noninterest Income NoninterestIncome	42113000	USD
CY2018	us-gaap	Noninterest Income NoninterestIncome	38176000	USD
CY2020	us-gaap	Labor And Related Expense LaborAndRelatedExpense	57938000	USD
CY2019	us-gaap	Labor And Related Expense LaborAndRelatedExpense	54489000	USD
CY2018	us-gaap	Labor And Related Expense LaborAndRelatedExpense	51513000	USD
CY2020	cac	Equipment And Software Expense EquipmentAndSoftwareExpense	11756000	USD
CY2019	cac	Equipment And Software Expense EquipmentAndSoftwareExpense	10881000	USD
CY2018	cac	Equipment And Software Expense EquipmentAndSoftwareExpense	10359000	USD
CY2020	us-gaap	Occupancy Net OccupancyNet	7585000	USD
CY2019	us-gaap	Occupancy Net OccupancyNet	7047000	USD
CY2018	us-gaap	Occupancy Net OccupancyNet	6876000	USD
CY2020	us-gaap	Professional Fees ProfessionalFees	3833000	USD
CY2019	us-gaap	Professional Fees ProfessionalFees	3706000	USD
CY2018	us-gaap	Professional Fees ProfessionalFees	3752000	USD
CY2020	cac	Debit Card Expense DebitCardExpense	3753000	USD
CY2019	cac	Debit Card Expense DebitCardExpense	3613000	USD
CY2018	cac	Debit Card Expense DebitCardExpense	3180000	USD
CY2020	cac	Regulatory Assessments RegulatoryAssessments	1450000	USD
CY2019	cac	Regulatory Assessments RegulatoryAssessments	1261000	USD
CY2018	cac	Regulatory Assessments RegulatoryAssessments	1937000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	682000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	705000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	725000	USD
CY2020	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	382000	USD
CY2019	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	480000	USD
CY2018	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	935000	USD
CY2020	us-gaap	Other Noninterest Expense OtherNoninterestExpense	12604000	USD
CY2019	us-gaap	Other Noninterest Expense OtherNoninterestExpense	13121000	USD
CY2018	us-gaap	Other Noninterest Expense OtherNoninterestExpense	12668000	USD
CY2020	us-gaap	Noninterest Expense NoninterestExpense	99983000	USD
CY2019	us-gaap	Noninterest Expense NoninterestExpense	95303000	USD
CY2018	us-gaap	Noninterest Expense NoninterestExpense	91945000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	74396000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	71579000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	65777000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14910000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14376000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12706000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	59486000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	57203000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	53071000	USD
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.96
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.70
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.40
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.95
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.69
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.39
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	14985235	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	15407289	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	15571387	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	15023767	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	15453022	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	15626303	shares
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.32
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.23
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.15
CY2020	us-gaap	Net Income Loss NetIncomeLoss	59486000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	57203000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	53071000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	26060000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	21076000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-7993000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	1422000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-1611000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	1489000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	474000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	1313000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1831000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	27008000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	18152000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4673000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	86494000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	75355000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	48398000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	403413000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	53071000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-4673000	USD
CY2018	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1688000	USD
CY2018	cac	Stock Issued During Period Value Stock Options Exercised And Issuance Of Restricted Shares StockIssuedDuringPeriodValueStockOptionsExercisedAndIssuanceOfRestrictedShares	-350000	USD
CY2018	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	27000	USD
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.15
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	17962000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	435825000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	57203000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	18152000	USD
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1885000	USD
CY2019	cac	Stock Issued During Period Value Stock Options Exercised And Issuance Of Restricted Shares StockIssuedDuringPeriodValueStockOptionsExercisedAndIssuanceOfRestrictedShares	-202000	USD
CY2019	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	20795000	USD
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.23
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	18907000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	473415000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	59486000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	27008000	USD
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1785000	USD
CY2020	cac	Stock Issued During Period Value Stock Options Exercised And Issuance Of Restricted Shares StockIssuedDuringPeriodValueStockOptionsExercisedAndIssuanceOfRestrictedShares	-116000	USD
CY2020	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	9700000	USD
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.32
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	19755000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	529314000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	59486000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	57203000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	53071000	USD
CY2020	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	654097000	USD
CY2019	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	282443000	USD
CY2018	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	202194000	USD
CY2020	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	640841000	USD
CY2019	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	281207000	USD
CY2018	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	211397000	USD
CY2020	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	15328000	USD
CY2019	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	6365000	USD
CY2018	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	5451000	USD
CY2020	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	12418000	USD
CY2019	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	2861000	USD
CY2018	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	847000	USD
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	3828000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	3891000	USD
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	3765000	USD
CY2020	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-4803000	USD
CY2019	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-2997000	USD
CY2018	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-3206000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	1785000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	1885000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	1688000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	682000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	705000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	725000	USD
CY2020	cac	Purchase Accounting Accretion During Period PurchaseAccountingAccretionDuringPeriod	1304000	USD
CY2019	cac	Purchase Accounting Accretion During Period PurchaseAccountingAccretionDuringPeriod	1483000	USD
CY2018	cac	Purchase Accounting Accretion During Period PurchaseAccountingAccretionDuringPeriod	2316000	USD
CY2020	cac	Increase Decrease In Derivative Collateral IncreaseDecreaseInDerivativeCollateral	-26540000	USD
CY2019	cac	Increase Decrease In Derivative Collateral IncreaseDecreaseInDerivativeCollateral	-26240000	USD
CY2018	cac	Increase Decrease In Derivative Collateral IncreaseDecreaseInDerivativeCollateral	7750000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	10912000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	1005000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	9029000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	2568000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-342000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	875000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	18230000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	32871000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	64334000	USD
CY2020	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	264124000	USD
CY2019	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	355611000	USD
CY2018	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	189420000	USD
CY2020	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	433418000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	339286000	USD
CY2018	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	232206000	USD
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	0	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	0	USD
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	750000	USD
CY2020	cac	Payments For Proceeds From Loans And Leases Excluding Loans Previously Charged Off PaymentsForProceedsFromLoansAndLeasesExcludingLoansPreviouslyChargedOff	125572000	USD
CY2019	cac	Payments For Proceeds From Loans And Leases Excluding Loans Previously Charged Off PaymentsForProceedsFromLoansAndLeasesExcludingLoansPreviouslyChargedOff	70714000	USD
CY2018	cac	Payments For Proceeds From Loans And Leases Excluding Loans Previously Charged Off PaymentsForProceedsFromLoansAndLeasesExcludingLoansPreviouslyChargedOff	243815000	USD
CY2020	cac	Paymentsfor Federal Home Loan Bank Stock PaymentsforFederalHomeLoanBankStock	9231000	USD
CY2019	cac	Paymentsfor Federal Home Loan Bank Stock PaymentsforFederalHomeLoanBankStock	13688000	USD
CY2018	cac	Paymentsfor Federal Home Loan Bank Stock PaymentsforFederalHomeLoanBankStock	15127000	USD
CY2020	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-9665000	USD
CY2019	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-15645000	USD
CY2018	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-24864000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2926000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4267000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	5021000	USD
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	749000	USD
CY2020	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	1712000	USD
CY2019	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	0	USD
CY2018	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	1593000	USD
CY2020	us-gaap	Proceeds From Recoveries Of Loan Previously Charged Off ProceedsFromRecoveriesOfLoanPreviouslyChargedOff	1084000	USD
CY2019	us-gaap	Proceeds From Recoveries Of Loan Previously Charged Off ProceedsFromRecoveriesOfLoanPreviouslyChargedOff	310000	USD
CY2018	us-gaap	Proceeds From Recoveries Of Loan Previously Charged Off ProceedsFromRecoveriesOfLoanPreviouslyChargedOff	1944000	USD
CY2020	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	110000	USD
CY2019	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	554000	USD
CY2018	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	72000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-294452000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-55835000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-276777000	USD
CY2020	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	467519000	USD
CY2019	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	73335000	USD
CY2018	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	464132000	USD
CY2020	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	-106370000	USD
CY2019	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	-2059000	USD
CY2018	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	-270114000	USD
CY2020	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	25000000	USD
CY2019	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	0	USD
CY2018	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	0	USD
CY2020	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	10000000	USD
CY2019	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	0	USD
CY2018	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	0	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	9689000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	20795000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	27000	USD
CY2020	cac	Proceeds Payments From Common Stock Issued Under Stock Compensation Plans ProceedsPaymentsFromCommonStockIssuedUnderStockCompensationPlans	-116000	USD
CY2019	cac	Proceeds Payments From Common Stock Issued Under Stock Compensation Plans ProceedsPaymentsFromCommonStockIssuedUnderStockCompensationPlans	-202000	USD
CY2018	cac	Proceeds Payments From Common Stock Issued Under Stock Compensation Plans ProceedsPaymentsFromCommonStockIssuedUnderStockCompensationPlans	-350000	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	19842000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	18572000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	17170000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	142000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	106000	USD
CY2018	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	0	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	346360000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	31601000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	176471000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	70138000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	8637000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-35972000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	75636000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	66999000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	102971000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	145774000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	75636000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	66999000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	21505000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	41374000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	30177000	USD
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	15660000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	13542000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	10667000	USD
CY2020	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	236000	USD
CY2019	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	543000	USD
CY2018	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	55000	USD
CY2020	cac	Premises And Equipment Transfer To Real Estate Owned PremisesAndEquipmentTransferToRealEstateOwned	24000	USD
CY2019	cac	Premises And Equipment Transfer To Real Estate Owned PremisesAndEquipmentTransferToRealEstateOwned	0	USD
CY2018	cac	Premises And Equipment Transfer To Real Estate Owned PremisesAndEquipmentTransferToRealEstateOwned	0	USD
CY2019	cac	Payments For Repurchase Of Common Stock Unsettled PaymentsForRepurchaseOfCommonStockUnsettled	0	USD
CY2020Q4	us-gaap	Equity Method Investment Ownership Percentage EquityMethodInvestmentOwnershipPercentage	1
CY2020	cac	Payments For Repurchase Of Common Stock Unsettled PaymentsForRepurchaseOfCommonStockUnsettled	11000	USD
CY2018	cac	Payments For Repurchase Of Common Stock Unsettled PaymentsForRepurchaseOfCommonStockUnsettled	0	USD
CY2020	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Reclassifications</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> Certain reclassifications have been made to prior year amounts, without impact to net income or total shareholders' equity, to conform to the current year's presentation.</span>
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> The preparation of the financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could vary from these estimates as a result of changing conditions and future events. Several estimates are particularly critical and are susceptible to significant near-term change, including the ACL, including the allowance for loan losses, off-balance sheet credit exposures, and AFS and HTM debt securities (effective for periods on or after January 1, 2020, upon adoption of ASU No. 2016-13</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">, Financial Instruments - Credit Losses</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">(Topic 326):</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> M</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">easurement of Credit Losses on Financial Instruments </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">("ASU 2016-13"), as amended), the accounting for business combinations including subsequent impairment analyses for goodwill and other intangible assets, accounting for income taxes, postretirement benefits, and asset impairment assessments, including the assessment of OTTI of investment securities (for periods prior to January 1, 2020).</span>
CY2020	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Significant Concentration of Credit Risk.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company makes loans primarily to customers in Maine, Massachusetts and New Hampshire. Although it has a diversified loan portfolio, a large portion of the Company's loans are secured by commercial or residential real estate and are subject to real estate market volatility within these states. Furthermore, the debtors' ability to honor their contracts is highly dependent upon other economic factors throughout Maine, Massachusetts and New Hampshire. The Company does not generally engage in non-recourse lending and typically will require the principals of any commercial borrower to obligate themselves personally on the loan.</span>
CY2020Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2020Q1	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2020	cac	Bol Isinglecarrierpercentageof Tier Icapital BOLIsinglecarrierpercentageofTierIcapital	0.15
CY2020	cac	Bolics Vpercentof Tieri Capital BOLICSVpercentofTieriCapital	0.25
CY2020Q4	us-gaap	Other Real Estate OtherRealEstate	236000	USD
CY2019Q4	us-gaap	Other Real Estate OtherRealEstate	94000	USD
CY2020	cac	Numberof Reporting Unit Levels NumberofReportingUnitLevels	1
CY2020Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	4200000	USD
CY2019Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	3800000	USD
CY2020Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	1078474000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	38261000	USD
CY2020Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	922000	USD
CY2020Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	1115813000	USD
CY2019Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	913978000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	9551000	USD
CY2019Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	5411000	USD
CY2019Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	918118000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	29300000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	8000000.0	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	3300000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	890000000000	USD
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	207001000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	56155000	USD
CY2020	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	0	USD
CY2019	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	1427000	USD
CY2018	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	32000	USD
CY2020	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
CY2019	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	1532000	USD
CY2018	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	695000	USD
CY2019	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	0	USD
CY2018	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	0	USD
CY2020Q4	us-gaap	Availableforsale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions1 AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1	30	security
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	107635000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	916000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	980000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	6000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	108615000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	922000	USD
CY2019Q4	us-gaap	Availableforsale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions1 AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1	105	security
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	259972000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	2911000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	132247000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	2500000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	392219000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	5411000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	5472000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	5495000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	59769000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	61338000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	248035000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	263889000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	765198000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	785091000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1078474000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1115813000	USD
CY2020Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	1297000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	114000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	0	USD
CY2020Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1411000	USD
CY2019Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	1302000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	57000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	0	USD
CY2019Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1359000	USD
CY2020Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	0	USD
CY2020Q4	us-gaap	Held To Maturity Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions	0	security
CY2019Q4	cac	Debt Securities Held To Maturity Excluded Accrued Interest From Amortized Cost DebtSecuritiesHeldToMaturityExcludedAccruedInterestFromAmortizedCost	10000	USD
CY2020Q4	cac	Debt Securities Held To Maturity Excluded Accrued Interest From Amortized Cost DebtSecuritiesHeldToMaturityExcludedAccruedInterestFromAmortizedCost	10000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	0	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	0	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	510000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	547000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	787000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	864000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	0	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	0	USD
CY2020Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	1297000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1411000	USD
CY2020Q4	cac	Unrealized Lossasa Percentof Fair Value UnrealizedLossasaPercentofFairValue	0.01
CY2020Q4	cac	Security Owned And Pledged As Collateral Amortized Cost SecurityOwnedAndPledgedAsCollateralAmortizedCost	485000000.0	USD
CY2019Q4	cac	Security Owned And Pledged As Collateral Amortized Cost SecurityOwnedAndPledgedAsCollateralAmortizedCost	709000000.0	USD
CY2020Q4	us-gaap	Security Owned And Pledged As Collateral Fair Value SecurityOwnedAndPledgedAsCollateralFairValue	507100000	USD
CY2019Q4	us-gaap	Security Owned And Pledged As Collateral Fair Value SecurityOwnedAndPledgedAsCollateralFairValue	712400000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	6168000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	6168000	USD
CY2020Q4	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	5374000	USD
CY2020Q4	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	5374000	USD
CY2020Q4	cac	Other Investments Amortized Cost OtherInvestmentsAmortizedCost	11542000	USD
CY2020	cac	Other Investments Unrealized Gain OtherInvestmentsUnrealizedGain	0	USD
CY2020	cac	Other Investments Unrealized Loss OtherInvestmentsUnrealizedLoss	0	USD
CY2020Q4	us-gaap	Other Investments OtherInvestments	11542000	USD
CY2019Q4	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	544000	USD
CY2019	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	1130000	USD
CY2019	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	0	USD
CY2019Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	1674000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	6601000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	6601000	USD
CY2019Q4	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	5374000	USD
CY2019Q4	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	5374000	USD
CY2019Q4	cac	Other Investments Amortized Cost OtherInvestmentsAmortizedCost	12519000	USD
CY2019	cac	Other Investments Unrealized Gain OtherInvestmentsUnrealizedGain	1130000	USD
CY2019	cac	Other Investments Unrealized Loss OtherInvestmentsUnrealizedLoss	0	USD
CY2019Q4	us-gaap	Other Investments OtherInvestments	13649000	USD
CY2020	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	1700000	USD
CY2020	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	1200000	USD
CY2020	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	38000	USD
CY2019	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	928000	USD
CY2018	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-50000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	3219822000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	3095023000	USD
CY2020Q4	cac	Net Unamortizedfair Value Mark Discounton Loans NetUnamortizedfairValueMarkDiscountonLoans	-1291000	USD
CY2019Q4	cac	Net Unamortizedfair Value Mark Discounton Loans NetUnamortizedfairValueMarkDiscountonLoans	-2593000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	856000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	3111000	USD
CY2020Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	-435000	USD
CY2019Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	518000	USD
CY2020	cac	Sbappp Loans Total Originations Number Of Contracts SBAPPPLoansTotalOriginationsNumberOfContracts	3034	loan
CY2020	cac	Sbppp Loans Total Originations SBPPPLoansTotalOriginations	244800000	USD
CY2020	us-gaap	Loans And Leases Receivable Related Parties Description LoansAndLeasesReceivableRelatedPartiesDescription	At December 31, 2020 and 2019, outstanding loans to certain officers, directors and their associated companies were less than 5% of the Company's shareholders' equity.
CY2019	us-gaap	Loans And Leases Receivable Related Parties Description LoansAndLeasesReceivableRelatedPartiesDescription	At December 31, 2020 and 2019, outstanding loans to certain officers, directors and their associated companies were less than 5% of the Company's shareholders' equity.
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	25171000	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1838000	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1084000	USD
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	13215000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	37865000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	24712000	USD
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	2713000	USD
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	310000	USD
CY2019	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	2862000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	25171000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	463000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	24708000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	25171000	USD
CY2019Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	4478000	USD
CY2019Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	3090545000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	3095023000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	24171000	USD
CY2018	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	2248000	USD
CY2018	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1944000	USD
CY2018	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	845000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	24712000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	824000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	23888000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	24712000	USD
CY2018Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	6926000	USD
CY2018Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	3019296000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	3026222000	USD
CY2020	cac	Numberof Portfolio Concentration Industries NumberofPortfolioConcentrationIndustries	0
CY2020Q4	cac	Temporary Loan Modifications Covid Related Loan Modification Number Of Contracts TemporaryLoanModificationsCOVIDRelatedLoanModificationNumberOfContracts	53	loan
CY2020Q4	cac	Temporary Loan Modifications Covid Related Modification Recorded Investment TemporaryLoanModificationsCOVIDRelatedModificationRecordedInvestment	26535000	USD
CY2020Q4	cac	Covid Related Modifications Percentage Of Total Loans COVIDRelatedModificationsPercentageOfTotalLoans	0.008
CY2020Q4	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	716230000	USD
CY2020Q4	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	527204000	USD
CY2020Q4	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	381600000	USD
CY2020Q4	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	286533000	USD
CY2020Q4	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	263051000	USD
CY2020Q4	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	721682000	USD
CY2020Q4	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	271502000	USD
CY2020Q4	us-gaap	Financing Receivable Revolving Converted To Term Loan FinancingReceivableRevolvingConvertedToTermLoan	52020000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	3219822000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	3095023000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	8787000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	3211035000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	3219822000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	12089000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	3082934000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	3095023000	USD
CY2020Q4	cac	Financing Receivable Nonaccrual With Allowance FinancingReceivableNonaccrualWithAllowance	7100000	USD
CY2020Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	496000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	7596000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	7034000	USD
CY2020	cac	Loans And Leases Receivable Impaired Interest Income Foregone LoansAndLeasesReceivableImpairedInterestIncomeForegone	335000	USD
CY2019	cac	Loans And Leases Receivable Impaired Interest Income Foregone LoansAndLeasesReceivableImpairedInterestIncomeForegone	420000	USD
CY2018	cac	Loans And Leases Receivable Impaired Interest Income Foregone LoansAndLeasesReceivableImpairedInterestIncomeForegone	600000	USD
CY2020Q4	cac	Financing Receivable Modifications Number Of Contracts Outstanding FinancingReceivableModificationsNumberOfContractsOutstanding	25	loan
CY2019Q4	cac	Financing Receivable Modifications Number Of Contracts Outstanding FinancingReceivableModificationsNumberOfContractsOutstanding	27	loan
CY2020Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	3066000	USD
CY2019Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	3629000	USD
CY2020Q4	cac	Allowance For Credit Losses Related To Troubled Debt Restructured Loans AllowanceForCreditLossesRelatedToTroubledDebtRestructuredLoans	401000	USD
CY2019Q4	cac	Allowance For Credit Losses Related To Troubled Debt Restructured Loans AllowanceForCreditLossesRelatedToTroubledDebtRestructuredLoans	463000	USD
CY2020	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	0	loan
CY2019	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	2	loan
CY2018	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	3
CY2020	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	0	USD
CY2019	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	64000	USD
CY2018	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	397000	USD
CY2020	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	0	USD
CY2019	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	69000	USD
CY2018	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	420000	USD
CY2020	cac	Allowance Relatedto Troubled Debt Restructuringsassignedduringperiod AllowanceRelatedtoTroubledDebtRestructuringsassignedduringperiod	0	USD
CY2019	cac	Allowance Relatedto Troubled Debt Restructuringsassignedduringperiod AllowanceRelatedtoTroubledDebtRestructuringsassignedduringperiod	15000	USD
CY2018	cac	Allowance Relatedto Troubled Debt Restructuringsassignedduringperiod AllowanceRelatedtoTroubledDebtRestructuringsassignedduringperiod	95000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0	USD
CY2020	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0	loan
CY2019	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0	loan
CY2019Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	2841000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	2841000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	463000	USD
CY2019	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	3933000	USD
CY2019	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	121000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	1637000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	2426000	USD
CY2019Q4	cac	Impaired Financing Receivable With No Related Allowance Related Allowance ImpairedFinancingReceivableWithNoRelatedAllowanceRelatedAllowance	0	USD
CY2019	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	1993000	USD
CY2019	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	41000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	4478000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	5267000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	463000	USD
CY2019	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	5926000	USD
CY2019	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	162000	USD
CY2018Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	4476000	USD
CY2018Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	4476000	USD
CY2018Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	824000	USD
CY2018	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	5921000	USD
CY2018	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	138000	USD
CY2018Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	2450000	USD
CY2018Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	3001000	USD
CY2018Q4	cac	Impaired Financing Receivable With No Related Allowance Related Allowance ImpairedFinancingReceivableWithNoRelatedAllowanceRelatedAllowance	0	USD
CY2018	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	5368000	USD
CY2018	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	55000	USD
CY2018Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	6926000	USD
CY2018Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	7477000	USD
CY2018Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	824000	USD
CY2018	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	11289000	USD
CY2018	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	193000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	94700000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	94700000	USD
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	3600000	USD
CY2020Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	3600000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	682000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	705000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	725000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	655000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	625000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	592000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	556000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	415000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	0	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	2843000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	75208000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	74969000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	35324000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	33133000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	39884000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	41836000	USD
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	3828000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	3891000	USD
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	3765000	USD
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
CY2018	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
CY2020Q4	cac	Lessor Operating Lease Number Of Landlords LessorOperatingLeaseNumberOfLandlords	2	employee
CY2020Q4	us-gaap	Lessor Operating Lease Renewal Term LessorOperatingLeaseRenewalTerm	P5Y
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	13608000	USD
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	4951000	USD
CY2020Q4	cac	Lease Rightof Use Asset LeaseRightofUseAsset	18559000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	13002000	USD
CY2019Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	1502000	USD
CY2019Q4	cac	Lease Rightof Use Asset LeaseRightofUseAsset	14504000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	11845000	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	4928000	USD
CY2020Q4	cac	Lease Liability LeaseLiability	16773000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	13059000	USD
CY2019Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	1665000	USD
CY2019Q4	cac	Lease Liability LeaseLiability	14724000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	1663000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	1480000	USD
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	223000	USD
CY2019	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	110000	USD
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	151000	USD
CY2019	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	68000	USD
CY2020	cac	Finance Lease Cost FinanceLeaseCost	374000	USD
CY2019	cac	Finance Lease Cost FinanceLeaseCost	178000	USD
CY2020	us-gaap	Lease Cost LeaseCost	2037000	USD
CY2019	us-gaap	Lease Cost LeaseCost	1658000	USD
CY2018	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	1300000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	1434000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	1394000	USD
CY2020	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	151000	USD
CY2019	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	68000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	142000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	106000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	2002000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	14030000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	3668000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	1612000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P15Y4M24D
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P15Y2M12D
CY2020Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P27Y
CY2019Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P22Y4M24D
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0340
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0339
CY2020Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0344
CY2019Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0400
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1329000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	306000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1310000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	309000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1192000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	312000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1151000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	314000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	926000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	317000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	9374000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	6179000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	15282000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	7737000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	3437000	USD
CY2020Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	2809000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	11845000	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	4928000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	1420000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	179000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	941000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	179000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	726000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	182000	USD
CY2019	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	6400000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	539000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	184000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	434000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	184000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	1268000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	1592000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	5328000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	2500000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Interest Included In Payments CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	920000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments	1580000	USD
CY2020	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	15300000	USD
CY2018	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	5500000	USD
CY2020Q4	us-gaap	Receivables Held For Sale Amount ReceivablesHeldForSaleAmount	40500000	USD
CY2019Q4	us-gaap	Receivables Held For Sale Amount ReceivablesHeldForSaleAmount	11900000	USD
CY2020	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	1100000	USD
CY2019	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-61000	USD
CY2020	cac	Unrealizedgainlossonloansheldforsale Unrealizedgainlossonloansheldforsale	1100000	USD
CY2019	cac	Unrealizedgainlossonloansheldforsale Unrealizedgainlossonloansheldforsale	-150000	USD
CY2018	cac	Unrealizedgainlossonloansheldforsale Unrealizedgainlossonloansheldforsale	52000	USD
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	2200000	USD
CY2019Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	877000	USD
CY2020	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.190
CY2019	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.144
CY2020	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.101
CY2019	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.112
CY2020Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInPrepaymentSpeed	140000	USD
CY2020Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInPrepaymentSpeed	268000	USD
CY2020Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInDiscountRate	68000	USD
CY2020Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInDiscountRate	133000	USD
CY2019Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	877000	USD
CY2018Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	831000	USD
CY2017Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1025000	USD
CY2020	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	1763000	USD
CY2019	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	263000	USD
CY2018	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	0	USD
CY2020	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	419000	USD
CY2019	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	216000	USD
CY2018	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	200000	USD
CY2020	us-gaap	Servicing Asset At Amortized Value Valuation Allowance ServicingAssetAtAmortizedValueValuationAllowance	25000	USD
CY2019	us-gaap	Servicing Asset At Amortized Value Valuation Allowance ServicingAssetAtAmortizedValueValuationAllowance	-1000	USD
CY2018	us-gaap	Servicing Asset At Amortized Value Valuation Allowance ServicingAssetAtAmortizedValueValuationAllowance	6000	USD
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	2196000	USD
CY2019Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	877000	USD
CY2018Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	831000	USD
CY2019Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	2000	USD
CY2018Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	1000	USD
CY2017Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	7000	USD
CY2020	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveries	25000	USD
CY2019	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveries	1000	USD
CY2018	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveries	-6000	USD
CY2020Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	27000	USD
CY2019Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	2000	USD
CY2018Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	1000	USD
CY2019Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	1496000	USD
CY2018Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	1677000	USD
CY2017Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	1766000	USD
CY2020Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	2447000	USD
CY2019Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	1496000	USD
CY2018Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	1677000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	243232000	USD
CY2019Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	474530000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	54533000	USD
CY2019Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	61100000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	21068000	USD
CY2019Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	21682000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	18267000	USD
CY2019Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	14211000	USD
CY2020Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	17448000	USD
CY2019Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	18993000	USD
CY2020Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	3118000	USD
CY2019Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	5033000	USD
CY2020Q4	cac	Total Certificates Of Deposit TotalCertificatesOfDeposit	357666000	USD
CY2019Q4	cac	Total Certificates Of Deposit TotalCertificatesOfDeposit	595549000	USD
CY2020Q4	cac	Fdic Insurance Limit FDICInsuranceLimit	250000	USD
CY2020Q4	cac	Time Deposits250000ormore TimeDeposits250000ormore	91600000	USD
CY2019Q4	cac	Time Deposits250000ormore TimeDeposits250000ormore	176000000.0	USD
CY2020Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	322000000.0	USD
CY2019Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	471200000	USD
CY2020Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	520000	USD
CY2019Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	889000	USD
CY2020Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	52900000	USD
CY2019Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	20700000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances FederalHomeLoanBankAdvances	25000000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Advances FederalHomeLoanBankAdvances	40825000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	1300000000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	1400000000	USD
CY2020Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Federal Home Loan Bank PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForFederalHomeLoanBank	38000	USD
CY2019Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Federal Home Loan Bank PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForFederalHomeLoanBank	150000	USD
CY2015Q4	us-gaap	Subordinated Debt SubordinatedDebt	15000000.0	USD
CY2015Q4	us-gaap	Subordinated Borrowing Interest Rate SubordinatedBorrowingInterestRate	0.0550
CY2020	us-gaap	Debt Instrument Frequency Of Periodic Payment DebtInstrumentFrequencyOfPeriodicPayment	semi-annually
CY2020	us-gaap	Debt Instrument Maturity Date DebtInstrumentMaturityDate	2020-10-15
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	115000	USD
CY2020	us-gaap	Debt Instrument Call Date Earliest DebtInstrumentCallDateEarliest	2025-10-15
CY2020	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	251000	USD
CY2020	us-gaap	Interest Expense Junior Subordinated Debentures InterestExpenseJuniorSubordinatedDebentures	3500000	USD
CY2019	us-gaap	Interest Expense Junior Subordinated Debentures InterestExpenseJuniorSubordinatedDebentures	3300000	USD
CY2018	us-gaap	Interest Expense Junior Subordinated Debentures InterestExpenseJuniorSubordinatedDebentures	3400000	USD
CY2020Q4	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2020Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	10000000.0	USD
CY2020	us-gaap	Line Of Credit Facility Expiration Date1 LineOfCreditFacilityExpirationDate1	2021-12-17
CY2020Q4	us-gaap	Certificates Of Deposit At Carrying Value CertificatesOfDepositAtCarryingValue	1000000.0	USD
CY2019Q4	us-gaap	Certificates Of Deposit At Carrying Value CertificatesOfDepositAtCarryingValue	1000000.0	USD
CY2020Q4	cac	Contractual Amounts Of Financial Instrument ContractualAmountsOfFinancialInstrument	728721000	USD
CY2019Q4	cac	Contractual Amounts Of Financial Instrument ContractualAmountsOfFinancialInstrument	739860000	USD
CY2020Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	2600000	USD
CY2019Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	21000	USD
CY2020	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-797000	USD
CY2019	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-1000	USD
CY2018	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	2000	USD
CY2020	us-gaap	Litigation Settlement Amount Awarded To Other Party LitigationSettlementAmountAwardedToOtherParty	1200000	USD
CY2020Q4	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	0	USD
CY2019Q4	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	954000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-2334000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	837000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	-597000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	-921000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	-831000	USD
CY2020	us-gaap	Derivative Instruments Gain Loss Reclassification From Accumulated Oci To Income Estimated Net Amount To Be Transferred DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred	1400000	USD
CY2020Q4	us-gaap	Derivative Asset Not Offset Policy Election Deduction DerivativeAssetNotOffsetPolicyElectionDeduction	0	USD
CY2020Q4	us-gaap	Derivative Asset Not Offset Policy Election Deduction DerivativeAssetNotOffsetPolicyElectionDeduction	0	USD
CY2020Q4	us-gaap	Derivative Asset Not Offset Policy Election Deduction DerivativeAssetNotOffsetPolicyElectionDeduction	0	USD
CY2020Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Gross DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedGross	45358000	USD
CY2020Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Liability DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiability	0	USD
CY2020Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowed	45358000	USD
CY2020Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Not Offset Policy Election Deduction DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedNotOffsetPolicyElectionDeduction	0	USD
CY2020Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Collateral Obligation To Return Cash DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedCollateralObligationToReturnCash	5595000	USD
CY2020Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Amount Offset Against Collateral DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedAmountOffsetAgainstCollateral	39763000	USD
CY2020Q4	us-gaap	Derivative Liability Not Offset Policy Election Deduction DerivativeLiabilityNotOffsetPolicyElectionDeduction	0	USD
CY2020Q4	us-gaap	Derivative Liability Not Offset Policy Election Deduction DerivativeLiabilityNotOffsetPolicyElectionDeduction	0	USD
CY2020Q4	us-gaap	Derivative Liability Not Offset Policy Election Deduction DerivativeLiabilityNotOffsetPolicyElectionDeduction	0	USD
CY2020Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Gross DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross	51252000	USD
CY2020Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Asset DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset	0	USD
CY2020Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned	51252000	USD
CY2020Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Not Offset Policy Election Deduction DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedNotOffsetPolicyElectionDeduction	0	USD
CY2020Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Cash DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash	51252000	USD
CY2020Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Amount Offset Against Collateral DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral	0	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	162439000	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	0	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	162439000	USD
CY2020Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Securities DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities	162439000	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Cash SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash	0	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral	0	USD
CY2019Q4	us-gaap	Derivative Asset Not Offset Policy Election Deduction DerivativeAssetNotOffsetPolicyElectionDeduction	0	USD
CY2019Q4	us-gaap	Derivative Asset Not Offset Policy Election Deduction DerivativeAssetNotOffsetPolicyElectionDeduction	0	USD
CY2019Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Gross DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedGross	18239000	USD
CY2019Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Liability DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiability	0	USD
CY2019Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowed	18239000	USD
CY2019Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Not Offset Policy Election Deduction DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedNotOffsetPolicyElectionDeduction	0	USD
CY2019Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Collateral Obligation To Return Cash DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedCollateralObligationToReturnCash	483000	USD
CY2019Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Amount Offset Against Collateral DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedAmountOffsetAgainstCollateral	17756000	USD
CY2019Q4	us-gaap	Derivative Liability Not Offset Policy Election Deduction DerivativeLiabilityNotOffsetPolicyElectionDeduction	0	USD
CY2019Q4	us-gaap	Derivative Liability Not Offset Policy Election Deduction DerivativeLiabilityNotOffsetPolicyElectionDeduction	0	USD
CY2019Q4	us-gaap	Derivative Liability Not Offset Policy Election Deduction DerivativeLiabilityNotOffsetPolicyElectionDeduction	0	USD
CY2019Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Gross DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross	25943000	USD
CY2019Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Asset DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset	0	USD
CY2019Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned	25943000	USD
CY2019Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Not Offset Policy Election Deduction DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedNotOffsetPolicyElectionDeduction	0	USD
CY2019Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Cash DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash	25429000	USD
CY2019Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Amount Offset Against Collateral DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral	514000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	237984000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	0	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	237984000	USD
CY2019Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Securities DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities	237984000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Cash SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash	0	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral	0	USD
CY2020Q4	us-gaap	Capital Capital	498290000	USD
CY2020Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.1540
CY2020Q4	cac	Minimum Requirementforcapital Adequacy Including Capital Buffer Total Risk Based Capital Ratio MinimumRequirementforcapitalAdequacyIncludingCapitalBufferTotalRiskBasedCapitalRatio	0.1050
CY2020Q4	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.1000
CY2019Q4	us-gaap	Capital Capital	455702000	USD
CY2019Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.1444
CY2019Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.1050
CY2019Q4	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.1000
CY2020Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	445858000	USD
CY2020Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.1378
CY2020Q4	cac	Minimum Requirementforcapital Adequacy Including Capital Buffer Tier I Risk Based Capital Ratio MinimumRequirementforcapitalAdequacyIncludingCapitalBufferTierIRiskBasedCapitalRatio	0.0850
CY2020Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0600
CY2019Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	415511000	USD
CY2019Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.1316
CY2019Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0850
CY2019Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0600
CY2020Q4	cac	Commonequitytier Icapital CommonequitytierIcapital	402858000	USD
CY2020Q4	cac	Common Equity Tier I Risk Based Capital Ratio CommonEquityTierIRiskBasedCapitalRatio	0.1245
CY2020Q4	cac	Minimum Requirementforcapital Adequacy Including Capital Buffer Common Equity Tier I Risk Based Capital Ratio MinimumRequirementforcapitalAdequacyIncludingCapitalBufferCommonEquityTierIRiskBasedCapitalRatio	0.0700
CY2019Q4	cac	Commonequitytier Icapital CommonequitytierIcapital	372511000	USD
CY2019Q4	cac	Common Equity Tier I Risk Based Capital Ratio CommonEquityTierIRiskBasedCapitalRatio	0.1180
CY2019Q4	cac	Common Equity Tier One Risk Based Capital Requiredfor Capital Adequacyto Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalRequiredforCapitalAdequacytoRiskWeightedAssets	0.0700
CY2020Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	445858000	USD
CY2020Q4	us-gaap	Excess Tier One Leverage Capital To Average Assets ExcessTierOneLeverageCapitalToAverageAssets	0.0913
CY2020Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.0400
CY2019Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	415511000	USD
CY2019Q4	us-gaap	Excess Tier One Leverage Capital To Average Assets ExcessTierOneLeverageCapitalToAverageAssets	0.0955
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Before Reclassification Adjustments Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesBeforeReclassificationAdjustmentsTax	5750000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax	20993000	USD
CY2019Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.0400
CY2015Q4	us-gaap	Subordinated Debt SubordinatedDebt	15000000.0	USD
CY2015Q4	cac	Value Of Trust Preferred Securities Included In Tier One Capital ValueOfTrustPreferredSecuritiesIncludedInTierOneCapital	43000000.0	USD
CY2020Q4	cac	Value Of Trust Preferred Securities Included In Tier One Capital ValueOfTrustPreferredSecuritiesIncludedInTierOneCapital	43000000.0	USD
CY2019Q4	cac	Value Of Trust Preferred Securities Included In Tier One Capital ValueOfTrustPreferredSecuritiesIncludedInTierOneCapital	43000000.0	USD
CY2020Q4	cac	Subordinated Debt Phase Out Period Annual Percentage SubordinatedDebtPhaseOutPeriodAnnualPercentage	0.20
CY2020Q4	cac	Subordinated Debt Phase Out Period Annual Percentage SubordinatedDebtPhaseOutPeriodAnnualPercentage	0.20
CY2015Q4	us-gaap	Subordinated Debt SubordinatedDebt	15000000.0	USD
CY2020	cac	Numberofyears Numberofyears	2
CY2020Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	19800000	USD
CY2019Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	18900000	USD
CY2018Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	18000000.0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax	33198000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Before Reclassification Adjustments Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesBeforeReclassificationAdjustmentsTax	7138000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax	26060000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax	26743000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax	-10846000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Before Reclassification Adjustments Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesBeforeReclassificationAdjustmentsTax	-2332000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax	-8514000	USD
CY2020	cac	Other Comprehensive Income Loss Securities Availableforsalebefore Tax OtherComprehensiveIncomeLossSecuritiesAvailableforsalebeforeTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	0	USD
CY2020	cac	Other Comprehensive Income Loss Securities Availableforsaleafter Tax OtherComprehensiveIncomeLossSecuritiesAvailableforsaleafterTax	0	USD
CY2019	cac	Other Comprehensive Income Loss Securities Availableforsalebefore Tax OtherComprehensiveIncomeLossSecuritiesAvailableforsalebeforeTax	-105000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-22000	USD
CY2019	cac	Other Comprehensive Income Loss Securities Availableforsaleafter Tax OtherComprehensiveIncomeLossSecuritiesAvailableforsaleafterTax	-83000	USD
CY2018	cac	Other Comprehensive Income Loss Securities Availableforsalebefore Tax OtherComprehensiveIncomeLossSecuritiesAvailableforsalebeforeTax	-663000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-142000	USD
CY2018	cac	Other Comprehensive Income Loss Securities Availableforsaleafter Tax OtherComprehensiveIncomeLossSecuritiesAvailableforsaleafterTax	-521000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	33198000	USD
CY2020	cac	Other Comprehensive Income Loss Securities Availableforsale Adjustment Tax OtherComprehensiveIncomeLossSecuritiesAvailableforsaleAdjustmentTax	7138000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	26060000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	26848000	USD
CY2019	cac	Other Comprehensive Income Loss Securities Availableforsale Adjustment Tax OtherComprehensiveIncomeLossSecuritiesAvailableforsaleAdjustmentTax	5772000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	21076000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-10183000	USD
CY2018	cac	Other Comprehensive Income Loss Securities Availableforsale Adjustment Tax OtherComprehensiveIncomeLossSecuritiesAvailableforsaleAdjustmentTax	-2190000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-7993000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	1214000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	260000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	954000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-2973000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-639000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-2334000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	1066000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	229000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	837000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax	1811000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	389000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1422000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax	-2052000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-441000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-1611000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax	1897000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	408000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1489000	USD
CY2020	cac	Other Comprehensive Income Loss Defined Benefit Plan Net Actuarial Gains Lossesbefore Tax OtherComprehensiveIncomeLossDefinedBenefitPlanNetActuarialGainsLossesbeforeTax	-1282000	USD
CY2020	cac	Other Comprehensive Income Loss Defined Benefit Plan Net Actuarial Gains Losses Tax OtherComprehensiveIncomeLossDefinedBenefitPlanNetActuarialGainsLossesTax	-277000	USD
CY2020	cac	Other Comprehensive Income Loss Defined Benefit Plan Net Actuarial Gains Lossesafter Tax OtherComprehensiveIncomeLossDefinedBenefitPlanNetActuarialGainsLossesafterTax	-1005000	USD
CY2019	cac	Other Comprehensive Income Loss Defined Benefit Plan Net Actuarial Gains Lossesbefore Tax OtherComprehensiveIncomeLossDefinedBenefitPlanNetActuarialGainsLossesbeforeTax	-1918000	USD
CY2019	cac	Other Comprehensive Income Loss Defined Benefit Plan Net Actuarial Gains Losses Tax OtherComprehensiveIncomeLossDefinedBenefitPlanNetActuarialGainsLossesTax	-412000	USD
CY2019	cac	Other Comprehensive Income Loss Defined Benefit Plan Net Actuarial Gains Lossesafter Tax OtherComprehensiveIncomeLossDefinedBenefitPlanNetActuarialGainsLossesafterTax	-1506000	USD
CY2018	cac	Other Comprehensive Income Loss Defined Benefit Plan Net Actuarial Gains Lossesbefore Tax OtherComprehensiveIncomeLossDefinedBenefitPlanNetActuarialGainsLossesbeforeTax	1743000	USD
CY2018	cac	Other Comprehensive Income Loss Defined Benefit Plan Net Actuarial Gains Losses Tax OtherComprehensiveIncomeLossDefinedBenefitPlanNetActuarialGainsLossesTax	375000	USD
CY2018	cac	Other Comprehensive Income Loss Defined Benefit Plan Net Actuarial Gains Lossesafter Tax OtherComprehensiveIncomeLossDefinedBenefitPlanNetActuarialGainsLossesafterTax	1368000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	24000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Benefit Plan Improvement Tax Effect OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect	5000	USD
CY2020	cac	Other Comprehensive Income Loss Defined Benefit Plan Amortization Net Actuarial Gains Lossesbefore Tax OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationNetActuarialGainsLossesbeforeTax	-701000	USD
CY2020	cac	Other Comprehensive Income Loss Defined Benefit Plan Amortization Net Actuarial Gains Losses Tax OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationNetActuarialGainsLossesTax	-151000	USD
CY2020	cac	Other Comprehensive Income Loss Defined Benefit Plan Amortization Net Actuarial Gains Lossesafter Tax OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationNetActuarialGainsLossesafterTax	-550000	USD
CY2019	cac	Other Comprehensive Income Loss Defined Benefit Plan Amortization Net Actuarial Gains Lossesbefore Tax OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationNetActuarialGainsLossesbeforeTax	-271000	USD
CY2019	cac	Other Comprehensive Income Loss Defined Benefit Plan Amortization Net Actuarial Gains Losses Tax OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationNetActuarialGainsLossesTax	-59000	USD
CY2019	cac	Other Comprehensive Income Loss Defined Benefit Plan Amortization Net Actuarial Gains Lossesafter Tax OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationNetActuarialGainsLossesafterTax	-212000	USD
CY2018	cac	Other Comprehensive Income Loss Defined Benefit Plan Amortization Net Actuarial Gains Lossesbefore Tax OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationNetActuarialGainsLossesbeforeTax	-613000	USD
CY2018	cac	Other Comprehensive Income Loss Defined Benefit Plan Amortization Net Actuarial Gains Losses Tax OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationNetActuarialGainsLossesTax	-131000	USD
CY2018	cac	Other Comprehensive Income Loss Defined Benefit Plan Amortization Net Actuarial Gains Lossesafter Tax OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationNetActuarialGainsLossesafterTax	-482000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	19000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	24000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Benefit Plan Improvement Tax Effect OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect	5000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	19000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	24000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Benefit Plan Improvement Tax Effect OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect	5000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	19000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	605000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	131000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	474000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	1671000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	358000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	1313000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-2332000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-501000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1831000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	34404000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	7396000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	27008000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	23125000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	4973000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	18152000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-5954000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-1281000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4673000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-10300000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-5926000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	3988000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-20214000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax	-8514000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	837000	USD
CY2018	cac	Other Comprehensive Income Loss Defined Benefit Plan Net Actuarial Gains Lossesafter Tax OtherComprehensiveIncomeLossDefinedBenefitPlanNetActuarialGainsLossesafterTax	1368000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-6309000	USD
CY2018	cac	Other Comprehensive Income Loss Securities Availableforsaleafter Tax OtherComprehensiveIncomeLossSecuritiesAvailableforsaleafterTax	-521000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-652000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-463000	USD
CY2018	cac	Other Comprehensive Income Loss Reclassification Adjustmentfrom Aoci Netof Tax OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCINetofTax	-1636000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-7993000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1489000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1831000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4673000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-17826000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-4437000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	2157000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-24420000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax	20993000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-2334000	USD
CY2019	cac	Other Comprehensive Income Loss Defined Benefit Plan Net Actuarial Gains Lossesafter Tax OtherComprehensiveIncomeLossDefinedBenefitPlanNetActuarialGainsLossesafterTax	-1506000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	17153000	USD
CY2019	cac	Other Comprehensive Income Loss Securities Availableforsaleafter Tax OtherComprehensiveIncomeLossSecuritiesAvailableforsaleafterTax	-83000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-723000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-193000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	26819000	USD
CY2019	cac	Other Comprehensive Income Loss Reclassification Adjustmentfrom Aoci Netof Tax OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCINetofTax	-999000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	21076000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-1611000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	1313000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	18152000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	3250000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-6048000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	3470000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6268000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax	26060000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	954000	USD
CY2020	cac	Other Comprehensive Income Loss Defined Benefit Plan Net Actuarial Gains Lossesafter Tax OtherComprehensiveIncomeLossDefinedBenefitPlanNetActuarialGainsLossesafterTax	-1005000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	26009000	USD
CY2020	cac	Other Comprehensive Income Loss Securities Availableforsaleafter Tax OtherComprehensiveIncomeLossSecuritiesAvailableforsaleafterTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-468000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-531000	USD
CY2020	cac	Other Comprehensive Income Loss Reclassification Adjustmentfrom Aoci Netof Tax OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCINetofTax	-999000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	26060000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1422000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	474000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	27008000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	29310000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-4626000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	3944000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	20740000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	27736000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	28330000	USD
CY2020	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	22754000	USD
CY2019	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	13783000	USD
CY2018	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	11357000	USD
CY2020	us-gaap	Noninterest Income NoninterestIncome	50490000	USD
CY2019	us-gaap	Noninterest Income NoninterestIncome	42113000	USD
CY2018	us-gaap	Noninterest Income NoninterestIncome	38176000	USD
CY2020	cac	Debit Card Interchange Income Cash Rewards DebitCardInterchangeIncomeCashRewards	603000	USD
CY2019	cac	Debit Card Interchange Income Cash Rewards DebitCardInterchangeIncomeCashRewards	554000	USD
CY2018	cac	Debit Card Interchange Income Cash Rewards DebitCardInterchangeIncomeCashRewards	438000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Cash Flow Effect Cash Used To Settle Awards EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards	374000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Cash Flow Effect Cash Used To Settle Awards EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards	455000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Cash Flow Effect Cash Used To Settle Awards EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards	848000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0236
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0238
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.2280
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y3M18D
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	7.78
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	13607	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	23.69
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	3094	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	18.24
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
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CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	25.29
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y1M6D
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CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	6.48
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CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0
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CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	6.08
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CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	6.89
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CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	218000	USD
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CY2020	cac	Defined Contribution Plan Matching Percentage For Year DefinedContributionPlanMatchingPercentageForYear	0.03
CY2020	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	2900000	USD
CY2019	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	2400000	USD
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CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	16671000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	15197000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	11876000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	14102000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1474000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1241000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1206000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	13117000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	15308000	USD
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CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1230000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-2541000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-41000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	29000	USD
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CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1761000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1259000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2602000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14910000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14376000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12706000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	15623000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	15032000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	13813000	USD
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1132000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1003000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	905000	USD
CY2020	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	894000	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	738000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	741000	USD
CY2020	cac	Effective Income Tax Reconciliation Incomefromlifeinsurance EffectiveIncomeTaxReconciliationIncomefromlifeinsurance	532000	USD
CY2019	cac	Effective Income Tax Reconciliation Incomefromlifeinsurance EffectiveIncomeTaxReconciliationIncomefromlifeinsurance	509000	USD
CY2018	cac	Effective Income Tax Reconciliation Incomefromlifeinsurance EffectiveIncomeTaxReconciliationIncomefromlifeinsurance	510000	USD
CY2020	us-gaap	Income Tax Reconciliation Tax Credits Other IncomeTaxReconciliationTaxCreditsOther	500000	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Other IncomeTaxReconciliationTaxCreditsOther	430000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Credits Other IncomeTaxReconciliationTaxCreditsOther	465000	USD
CY2020	cac	Effectiveincometaxreconciliationsharebasedawards Effectiveincometaxreconciliationsharebasedawards	33000	USD
CY2019	cac	Effectiveincometaxreconciliationsharebasedawards Effectiveincometaxreconciliationsharebasedawards	-60000	USD
CY2018	cac	Effectiveincometaxreconciliationsharebasedawards Effectiveincometaxreconciliationsharebasedawards	-250000	USD
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	48000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	78000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-46000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	74396000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14910000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14376000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12706000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	71579000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	65777000	USD
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CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	9593000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	10421000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	8693000	USD
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CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	4878000	USD
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CY2019Q4	us-gaap	Deferred Tax Assets Derivative Instruments DeferredTaxAssetsDerivativeInstruments	1656000	USD
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CY2020Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Trading Securities DeferredTaxAssetsUnrealizedLossesOnTradingSecurities	0	USD
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CY2019Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	890000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	3204000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	3053000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Deferred Expense DeferredTaxLiabilitiesDeferredExpense	2111000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Deferred Expense DeferredTaxLiabilitiesDeferredExpense	2119000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther		USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	94000	USD
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CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	19000	USD
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CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	13436000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	22904000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	6081000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	11956000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	16823000	USD
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CY2019Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	48200000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	USD
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CY2019	us-gaap	Net Income Loss NetIncomeLoss	57203000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	53071000	USD
CY2020	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	149000	USD
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CY2018	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	148000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	59337000	USD
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CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	15407289	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	15571387	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	38532	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	45733	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	54916	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	15023767	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	15453022	shares
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.70
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.40
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.69
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.39
CY2020Q4	cac	Nonfinancialassetsmeasuredatfairvalueonrecurringbasis Nonfinancialassetsmeasuredatfairvalueonrecurringbasis	0	USD
CY2020Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1411000	USD
CY2020Q4	cac	Servicing Assets Fair Value Disclosure ServicingAssetsFairValueDisclosure	1437000	USD
CY2020Q4	us-gaap	Deposits Fair Value Disclosure DepositsFairValueDisclosure	460278000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Borrowings Fair Value Disclosure FederalHomeLoanBankBorrowingsFairValueDisclosure	162420000	USD
CY2020Q4	us-gaap	Securities Loaned Or Sold Under Agreements To Repurchase Fair Value Disclosure SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure	25442000	USD
CY2020Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	46475000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1359000	USD
CY2019Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	1496000	USD
CY2019Q4	us-gaap	Deposits Fair Value Disclosure DepositsFairValueDisclosure	594881000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Borrowings Fair Value Disclosure FederalHomeLoanBankBorrowingsFairValueDisclosure	268631000	USD
CY2019Q4	us-gaap	Securities Loaned Or Sold Under Agreements To Repurchase Fair Value Disclosure SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure	10002000	USD
CY2019Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	50171000	USD
CY2020Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	40213000	USD
CY2020Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	39178000	USD
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CY2020Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	39142000	USD
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CY2019Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	41552000	USD
CY2020Q1	us-gaap	Interest Expense InterestExpense	8387000	USD
CY2020Q2	us-gaap	Interest Expense InterestExpense	4639000	USD
CY2020Q3	us-gaap	Interest Expense InterestExpense	4186000	USD
CY2020Q4	us-gaap	Interest Expense InterestExpense	3681000	USD
CY2019Q1	us-gaap	Interest Expense InterestExpense	10114000	USD
CY2019Q2	us-gaap	Interest Expense InterestExpense	10864000	USD
CY2019Q3	us-gaap	Interest Expense InterestExpense	10597000	USD
CY2019Q4	us-gaap	Interest Expense InterestExpense	9313000	USD
CY2020Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	31826000	USD
CY2020Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	34539000	USD
CY2020Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	34481000	USD
CY2020Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	35461000	USD
CY2019Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	31895000	USD
CY2019Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	31573000	USD
CY2019Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	31923000	USD
CY2019Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	32239000	USD
CY2020Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1775000	USD
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CY2020Q4	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	258000	USD
CY2019Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	744000	USD
CY2019Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1173000	USD
CY2019Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	730000	USD
CY2019Q4	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	214000	USD
CY2020Q1	us-gaap	Noninterest Income NoninterestIncome	11403000	USD
CY2020Q2	us-gaap	Noninterest Income NoninterestIncome	12060000	USD
CY2020Q3	us-gaap	Noninterest Income NoninterestIncome	12696000	USD
CY2020Q4	us-gaap	Noninterest Income NoninterestIncome	14331000	USD
CY2019Q1	us-gaap	Noninterest Income NoninterestIncome	9389000	USD
CY2019Q2	us-gaap	Noninterest Income NoninterestIncome	10037000	USD
CY2019Q3	us-gaap	Noninterest Income NoninterestIncome	10739000	USD
CY2019Q4	us-gaap	Noninterest Income NoninterestIncome	11948000	USD
CY2020Q1	us-gaap	Noninterest Expense NoninterestExpense	24561000	USD
CY2020Q2	us-gaap	Noninterest Expense NoninterestExpense	23509000	USD
CY2020Q3	us-gaap	Noninterest Expense NoninterestExpense	25221000	USD
CY2020Q4	us-gaap	Noninterest Expense NoninterestExpense	26692000	USD
CY2019Q1	us-gaap	Noninterest Expense NoninterestExpense	22783000	USD
CY2019Q2	us-gaap	Noninterest Expense NoninterestExpense	23958000	USD
CY2019Q3	us-gaap	Noninterest Expense NoninterestExpense	23748000	USD
CY2019Q4	us-gaap	Noninterest Expense NoninterestExpense	24814000	USD
CY2020Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	16893000	USD
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CY2020Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	22842000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	17757000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	16479000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	18184000	USD
CY2019Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	19159000	USD
CY2020Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3400000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2752000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4194000	USD
CY2020Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4564000	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3484000	USD
CY2019Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3275000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3696000	USD
CY2019Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3921000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	13493000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	10940000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	16775000	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	18278000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	14273000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	13204000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	14488000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	15238000	USD
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.89
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.73
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.12
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.22
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.91
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.85
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.94
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.00
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.89
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.73
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.11
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.22
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.91
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.85
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.94
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.99

Files In Submission

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0000750686-21-000026-index-headers.html	Edgar Link	pending
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$CAC
CAMDEN NATIONAL CORP Stock $cac

2020 Q4 Form 10-K Financial Statement

#000075068621000026 Filed on March 15, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CAC CAMDEN NATIONAL CORP Stock $cac

2020 Q4 Form 10-K Financial Statement

#000075068621000026 Filed on March 15, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CAC
CAMDEN NATIONAL CORP Stock $cac