$PB
PROSPERITY BANCSHARES INC Stock $pb

$pb Overview Financials Valuation SEC Filings Company Website

2020 Form 10-K Financial Statement

#000156459021009500 Filed on February 26, 2021

Income Statement

Concept	2020	2019 Q4	2019
Revenue	$1.144B
YoY Change
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development	$5.317M		$5.314M
YoY Change	0.06%		14.08%
% of Gross Profit
Depreciation & Amortization	$31.40M	$7.000M	$20.30M
YoY Change	54.68%	55.56%	10.93%
% of Gross Profit
Operating Expenses	$5.317M		$5.314M
YoY Change	0.06%		14.08%
Operating Profit
YoY Change
Interest Expense	$113.2M		$137.2M
YoY Change	-17.49%		40.52%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$645.0M	$109.4M	$419.2M
YoY Change	53.87%	4.69%	4.01%
Income Tax	$116.1M	$23.30M	$86.66M
% Of Pretax Income	18.0%	21.3%	20.67%
Net Earnings	$528.9M	$86.10M	$332.6M
YoY Change	59.04%	3.36%	3.34%
Net Earnings / Revenue	46.24%
Basic Earnings Per Share	$5.68		$4.52
Diluted Earnings Per Share	$5.68	$1.005M	$4.52
COMMON SHARES
Basic Shares Outstanding	93.06M		73.52M
Diluted Shares Outstanding	93.06M		73.52M

Balance Sheet

Concept	2020	2019 Q4	2019
SHORT-TERM ASSETS
Cash & Short-Term Investments		$9.144B
YoY Change		-6.88%
Cash & Equivalents		$574.1M
Short-Term Investments		$8.570B
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$381.0M	$326.8M	$381.0M
YoY Change	0.0%	27.15%	48.25%
Goodwill		$3.224B
YoY Change		69.59%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$44.00M		$37.00M
YoY Change	18.92%		-628.57%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$34.06B	$32.19B	$32.19B
YoY Change	5.82%	41.83%	41.83%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$3.000M	$9.000M	$9.000M
YoY Change	-66.67%	125.0%	125.0%
Accrued Expenses	$57.00M	$54.00M	$54.00M
YoY Change	5.56%
Deferred Revenue
YoY Change
Short-Term Debt	$390.0M	$377.0M	$377.0M
YoY Change	3.45%	32.28%	32.28%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$60.00M	$63.00M	$63.00M
YoY Change	-4.76%	1475.0%	1475.0%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$126.0M	$126.0M
YoY Change	-100.0%
Other Long-Term Liabilities	$118.0M	$146.0M	$146.0M
YoY Change	-19.18%	128.13%	128.13%
Total Long-Term Liabilities	$118.0M	$272.0M	$272.0M
YoY Change	-56.62%	325.0%	325.0%
TOTAL LIABILITIES
Total Short-Term Liabilities	$60.00M	$63.00M	$63.00M
Total Long-Term Liabilities	$118.0M	$272.0M	$272.0M
Total Liabilities	$27.93B	$26.21B	$26.22B
YoY Change	6.54%	40.63%	40.63%
SHAREHOLDERS EQUITY
Retained Earnings		$2.141B
YoY Change		10.51%
Common Stock		$3.829B
YoY Change		81.04%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$6.131B	$5.971B	$5.971B
YoY Change
Total Liabilities & Shareholders Equity	$34.06B	$32.19B	$32.19B
YoY Change	5.82%	41.83%	41.83%

Cashflow Statement

Concept	2020	2019 Q4	2019
OPERATING ACTIVITIES
Net Income	$528.9M	$86.10M	$332.6M
YoY Change	59.04%	3.36%	3.34%
Depreciation, Depletion And Amortization	$31.40M	$7.000M	$20.30M
YoY Change	54.68%	55.56%	10.93%
Cash From Operating Activities	$582.3M	$53.80M	$403.0M
YoY Change	44.49%	-42.71%	25.88%
INVESTING ACTIVITIES
Capital Expenditures	$22.14M	-$2.300M	$18.59M
YoY Change	19.13%	-50.0%	22.98%
Acquisitions			$77.05M
YoY Change
Other Investing Activities	-$1.252B	$691.7M	$1.279B
YoY Change	-197.94%	4305.73%	-1331.79%
Cash From Investing Activities	-$1.274B	$689.4M	$1.260B
YoY Change	-201.14%	6167.27%	-1159.24%
FINANCING ACTIVITIES
Cash Dividend Paid	$173.8M		$128.9M
YoY Change	34.85%		23.88%
Common Stock Issuance & Retirement, Net	$115.2M		$94.48M
YoY Change	21.88%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	1.461B	-589.9M	-1.500B
YoY Change	-197.43%	-5141.88%	722.47%
NET CHANGE
Cash From Operating Activities	582.3M	53.80M	403.0M
Cash From Investing Activities	-1.274B	689.4M	1.260B
Cash From Financing Activities	1.461B	-589.9M	-1.500B
Net Change In Cash	769.4M	153.3M	163.0M
YoY Change	372.1%	31.48%	766.28%
FREE CASH FLOW
Cash From Operating Activities	$582.3M	$53.80M	$403.0M
Capital Expenditures	$22.14M	-$2.300M	$18.59M
Free Cash Flow	$560.2M	$56.10M	$384.4M
YoY Change	45.72%	-43.05%	26.03%

Facts In Submission

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CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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CY2020	dei	Entity File Number EntityFileNumber	001-35388
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	74-2331986
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	Prosperity Bank Plaza
CY2020	dei	Entity Address Address Line2 EntityAddressAddressLine2	4295 San Felipe
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Houston
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	TX
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	77027
CY2020	dei	City Area Code CityAreaCode	281
CY2020	dei	Local Phone Number LocalPhoneNumber	269-7199
CY2020	dei	Security12b Title Security12bTitle	Common stock, par value $1.00 per share
CY2020	dei	Security Exchange Name SecurityExchangeName	NYSE
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CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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CY2018	us-gaap	Net Income Loss NetIncomeLoss	321812000
CY2019	pb	Foreclosed Real Estate Expense And Revenue ForeclosedRealEstateExpenseAndRevenue	-67000
CY2020	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	pb:AccountingStandardsUpdate201613AndOtherMember
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	Document Transition Report DocumentTransitionReport	false
CY2020Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	1342996000
CY2019Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	573589000
CY2019Q4	us-gaap	Federal Funds Sold FederalFundsSold	519000
CY2019Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	574108000
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	287663000
CY2020Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	8039142000
CY2019Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	8303851000
CY2019Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	8282393000
CY2019Q4	us-gaap	Marketable Securities MarketableSecurities	8570056000
CY2019Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	80959000
CY2019Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	17211625000
CY2020Q4	pb	Loans And Leases Receivable Net Of Deferred Income And Loan Receivable Held For Sale Amount LoansAndLeasesReceivableNetOfDeferredIncomeAndLoanReceivableHeldForSaleAmount	20246944000
CY2019Q4	pb	Loans And Leases Receivable Net Of Deferred Income And Loan Receivable Held For Sale Amount LoansAndLeasesReceivableNetOfDeferredIncomeAndLoanReceivableHeldForSaleAmount	18845346000
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	316068000
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	87469000
CY2020Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	19930876000
CY2019Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	18757877000
CY2020Q4	us-gaap	Interest Receivable InterestReceivable	82068000
CY2019Q4	us-gaap	Interest Receivable InterestReceivable	80797000
CY2020Q4	us-gaap	Goodwill Goodwill	3231636000
CY2019Q4	us-gaap	Goodwill Goodwill	3223671000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	73235000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	86404000
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	323572000
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	326832000
CY2020Q4	us-gaap	Other Real Estate OtherRealEstate	10593000
CY2019Q4	us-gaap	Other Real Estate OtherRealEstate	6936000
CY2020Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	324356000
CY2019Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	321793000
CY2020Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	8901000
CY2019Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	83945000
CY2020Q4	us-gaap	Other Assets OtherAssets	187669000
CY2019Q4	us-gaap	Other Assets OtherAssets	153289000
CY2020Q4	us-gaap	Assets Assets	34059275000
CY2019Q4	us-gaap	Assets Assets	32185708000
CY2020Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	9151233000
CY2019Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	7763894000
CY2020Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	18209259000
CY2019Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	16435838000
CY2020Q4	us-gaap	Deposits Deposits	27360492000
CY2019Q4	us-gaap	Deposits Deposits	24199732000
CY2019Q4	us-gaap	Other Borrowings OtherBorrowings	1303730000
CY2020	pb	Noninterest Income Mortgage NoninterestIncomeMortgage	10777000
CY2018	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	-13000
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	377294000
CY2019Q4	us-gaap	Subordinated Debt SubordinatedDebt	125804000
CY2019Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	8585000
CY2020Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	29947000
CY2020Q4	us-gaap	Other Liabilities OtherLiabilities	145122000
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	34059275000
CY2019	us-gaap	Interest Expense Debt InterestExpenseDebt	1075000
CY2020	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	2504000
CY2020	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-5533000
CY2020	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	0
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5959000
CY2019	us-gaap	Depreciation Nonproduction DepreciationNonproduction	13713000
CY2018	us-gaap	Depreciation Nonproduction DepreciationNonproduction	12365000
CY2018	pb	Foreclosed Real Estate Expense And Revenue ForeclosedRealEstateExpenseAndRevenue	722000
CY2019	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	46402000
CY2018	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0
CY2018	us-gaap	Other Noninterest Expense OtherNoninterestExpense	35814000
CY2020Q4	us-gaap	Liabilities Liabilities	27928606000
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	20000000
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	92570789
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	92570789
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	92571000
CY2020Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	3634140000
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2403189000
CY2020Q4	pb	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentTax	205000
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	769000
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	6130669000
CY2019	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	0
CY2019	us-gaap	Noninterest Income NoninterestIncome	124281000
CY2019	us-gaap	Labor And Related Expense LaborAndRelatedExpense	226348000
CY2018	us-gaap	Labor And Related Expense LaborAndRelatedExpense	207517000
CY2019	us-gaap	Occupancy Net OccupancyNet	23985000
CY2018	us-gaap	Occupancy Net OccupancyNet	22760000
CY2019	pb	Debit Card Data Processing And Software Amortization DebitCardDataProcessingAndSoftwareAmortization	23624000
CY2018	pb	Debit Card Data Processing And Software Amortization DebitCardDataProcessingAndSoftwareAmortization	17790000
CY2019	pb	Regulatory Assessments And Fdic Insurance RegulatoryAssessmentsAndFdicInsurance	8608000
CY2018	pb	Regulatory Assessments And Fdic Insurance RegulatoryAssessmentsAndFdicInsurance	13261000
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6537000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	332552000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	321812000
CY2019	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	370000
CY2018	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	535000
CY2020	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	45000
CY2019	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	78000
CY2018	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	112000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	292000
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	423000
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	332844000
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	3824154000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	321812000
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	423000
CY2019	us-gaap	Communication Communication	9679000
CY2018	us-gaap	Communication Communication	10032000
CY2019	us-gaap	Other Noninterest Expense OtherNoninterestExpense	37713000
CY2019	us-gaap	Noninterest Expense NoninterestExpense	396542000
CY2018	us-gaap	Noninterest Expense NoninterestExpense	326220000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	403035000
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10488000
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	104053000
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	4052824000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	332552000
CY2020	us-gaap	Profit Loss ProfitLoss	528904000
CY2019	us-gaap	Profit Loss ProfitLoss	332552000
CY2020	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	31401000
CY2019	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	20250000
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	20000000
CY2019	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	4300000
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	24816000
CY2020	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	38827000
CY2020	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-5075000
CY2018	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	-13000
CY2020	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	429662000
CY2019	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	213467000
CY2018	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	179370000
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	12607000
CY2018	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-58051000
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	2454086000
CY2019	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	331991000
CY2018	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	1629244000
CY2020	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	15047469000
CY2019	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	9031370000
CY2018	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	8132901000
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	15411251000
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	9234544000
CY2018	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	7999686000
CY2020	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	43293619000
CY2020	us-gaap	Proceeds From Collection Of Loans Receivable ProceedsFromCollectionOfLoansReceivable	42004002000
CY2020	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-29758000
CY2019	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	78326000
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	22143000
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	18588000
CY2020	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	13910000
CY2019	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	5316000
CY2020	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	5163000
CY2019	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	6915000
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	77047000
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1274308000
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	1259988000
CY2020	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	1387339000
CY2019	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	361866000
CY2020	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	1779514000
CY2019	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	148284000
CY2020	pb	Proceeds From Repayments Of Short Term Debt Excluding Securities Sold Under Repurchase Agreements ProceedsFromRepaymentsOfShortTermDebtExcludingSecuritiesSoldUnderRepurchaseAgreements	-1300000000
CY2019	pb	Proceeds From Repayments Of Short Term Debt Excluding Securities Sold Under Repurchase Agreements ProceedsFromRepaymentsOfShortTermDebtExcludingSecuritiesSoldUnderRepurchaseAgreements	-1805000000
CY2020	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	3730000
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	173823000
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1461428000
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	769441000
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	574108000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1343549000
CY2019	us-gaap	Other Significant Noncash Transaction Value Of Consideration Given1 OtherSignificantNoncashTransactionValueOfConsiderationGiven1	1797944000
CY2020	us-gaap	Real Estate Acquisitions Through Foreclosures RealEstateAcquisitionsThroughForeclosures	15964000
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	134360000
CY2019	us-gaap	Interest Paid Net InterestPaidNet	139356000
CY2018	us-gaap	Interest Paid Net InterestPaidNet	96360000
CY2020	pb	Number Of Bank Operating Locations NumberOfBankOperatingLocations	275
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<p style="margin-top:12pt;margin-bottom:0pt;text-indent:4.54%;font-weight:bold;font-family:Times New Roman;font-size:10pt;font-style:normal;text-transform:none;font-variant: normal;">Use of Estimates<span style="font-weight:normal;">—The preparation of 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 period. Such estimates include, but are not limited to certain fair value measures including the calculation of stock-based compensation, the valuation of goodwill and available for sale and held to maturity securities and the calculation of allowance for credit losses. Actual results could differ from these estimates.</span></p>
CY2019Q4	us-gaap	Allowance For Loan And Lease Losses Loans Acquired AllowanceForLoanAndLeaseLossesLoansAcquired	0
CY2020	pb	Number Of Investment Securities Segments NumberOfInvestmentSecuritiesSegments	2
CY2020Q4	pb	Minimum Percentage Likelihood Of Tax Benefit To Be Realized Upon Final Settlement MinimumPercentageLikelihoodOfTaxBenefitToBeRealizedUponFinalSettlement	0.50
CY2020	us-gaap	Net Income Loss NetIncomeLoss	528904000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	332552000
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0
CY2020Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	328007000
CY2020Q1	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	29947000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	321812000
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	93058000
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.68
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	73524000
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.52
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	69821000
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.61
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	93058000
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.68
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	73524000
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.52
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	69821000
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.61
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	0
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0
CY2018Q4	us-gaap	Goodwill Goodwill	1900845000
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	32883000
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6537000
CY2019	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	1322826000
CY2019	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	60058000
CY2019Q4	us-gaap	Goodwill Goodwill	3223671000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	86404000
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	13169000
CY2020	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	7965000
CY2020Q4	us-gaap	Goodwill Goodwill	3231636000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	73235000
CY2020	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	651514000
CY2020Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	7891306000
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	154720000
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	6884000
CY2020Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	8039142000
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	286901000
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1350000
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	588000
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	287663000
CY2019Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	8282393000
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	56865000
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	35407000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	11551000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	10336000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	9360000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	8699000
CY2020Q4	pb	Finite Lived Intangible Assets Amortization Expense After Year Four FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour	33289000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	73235000
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	650540000
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	2140000
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	1166000
CY2019Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	8303851000
CY2020	pb	Number Of Investment Securities Segments NumberOfInvestmentSecuritiesSegments	2
CY2020Q4	pb	Municipal Securities Percentage Of Securities Portfolio MunicipalSecuritiesPercentageOfSecuritiesPortfolio	0.019
CY2020	pb	Debt Securities Held To Maturity Credit Loss DebtSecuritiesHeldToMaturityCreditLoss	0
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	254392000
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	608000
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	28381000
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	558000
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	282773000
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	1166000
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	703682000
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	6534000
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	29900000
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	350000
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	733582000
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	6884000
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	85146000
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	585000
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	1828000
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	3000
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	86974000
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	588000
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	1060533000
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	46897000
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	7985000
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	8224000
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Amortized Cost Basis HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	166175000
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue	174484000
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount	7725131000
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	7864658000
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	650540000
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	3573000
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	3114006000
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	31834000
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	4174539000
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	35407000
CY2020Q4	pb	Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions Greater Than Or Equal To One Year SecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsGreaterThanOrEqualToOneYear	64
CY2019Q4	pb	Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions Greater Than Or Equal To One Year SecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsGreaterThanOrEqualToOneYear	138
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	22324000
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	22437000
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	91922000
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	96926000
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	43944000
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	651514000
CY2020Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	7891306000
CY2020Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	8039142000
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	650540000
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	651514000
CY2020	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	0
CY2019	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	0
CY2018	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	-13000
CY2020Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	17357788000
CY2019Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	17211625000
CY2020Q4	pb	Loans And Leases Receivable Net Of Deferred Income And Loan Receivable Held For Sale Amount LoansAndLeasesReceivableNetOfDeferredIncomeAndLoanReceivableHeldForSaleAmount	20246944000
CY2019Q4	pb	Loans And Leases Receivable Net Of Deferred Income And Loan Receivable Held For Sale Amount LoansAndLeasesReceivableNetOfDeferredIncomeAndLoanReceivableHeldForSaleAmount	18845346000
CY2020Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	53800000
CY2020Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	46800000
CY2020Q4	pb	Loans Receivable Before Allowance Excluding Pp And Discount LoansReceivableBeforeAllowanceExcludingPpAndDiscount	17411590000
CY2020Q4	us-gaap	Loans Receivable With Fixed Rates Of Interest1 LoansReceivableWithFixedRatesOfInterest1	7700283000
CY2020Q4	us-gaap	Loans Receivable With Variable Rates Of Interest1 LoansReceivableWithVariableRatesOfInterest1	9711307000
CY2020Q4	pb	Loans Receivable Before Allowance Excluding Pp And Discount LoansReceivableBeforeAllowanceExcludingPpAndDiscount	17411590000
CY2020Q4	pb	Percentage Of Real Estate Loans Aggregating To Company Loan Portfolio Excluding Warehouse Purchase Program Loans PercentageOfRealEstateLoansAggregatingToCompanyLoanPortfolioExcludingWarehousePurchaseProgramLoans	0.732
CY2020Q4	pb	Percentage Of Loans Related To Single Industry On Loans PercentageOfLoansRelatedToSingleIndustryOnLoans	0.10
CY2019Q4	pb	Percentage Of Loans Related To Single Industry On Loans PercentageOfLoansRelatedToSingleIndustryOnLoans	0.10
CY2020Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	1700000
CY2019Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	4200000
CY2019Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	4152000
CY2018Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	1923000
CY2020	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	813000
CY2019	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	1000
CY2019	pb	Loans And Leases Receivable Related Parties Transfers LoansAndLeasesReceivableRelatedPartiesTransfers	2500000
CY2020	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	3233000
CY2019	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	272000
CY2020Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	1732000
CY2019Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	4152000
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	56386000
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	47185000
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	20143373000
CY2020Q4	pb	Loans And Leases Receivable Net Of Deferred Income And Loan Receivable Held For Sale Amount LoansAndLeasesReceivableNetOfDeferredIncomeAndLoanReceivableHeldForSaleAmount	20246944000
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	80887000
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	55243000
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	18709216000
CY2019Q4	pb	Loans And Leases Receivable Net Of Deferred Income And Loan Receivable Held For Sale Amount LoansAndLeasesReceivableNetOfDeferredIncomeAndLoanReceivableHeldForSaleAmount	18845346000
CY2020Q4	pb	Non Performing Assets To Loans And Other Real Estate NonPerformingAssetsToLoansAndOtherRealEstate	0.0029
CY2019Q4	pb	Non Performing Assets To Loans And Other Real Estate NonPerformingAssetsToLoansAndOtherRealEstate	0.0033
CY2018Q4	pb	Non Performing Assets To Loans And Other Real Estate NonPerformingAssetsToLoansAndOtherRealEstate	0.0018
CY2017Q4	pb	Non Performing Assets To Loans And Other Real Estate NonPerformingAssetsToLoansAndOtherRealEstate	0.0037
CY2016Q4	pb	Non Performing Assets To Loans And Other Real Estate NonPerformingAssetsToLoansAndOtherRealEstate	0.0050
CY2020Q4	pb	Nonperforming Assets To Loans Excluding Warehouse Purchase Program Loans And Other Real Estate NonperformingAssetsToLoansExcludingWarehousePurchaseProgramLoansAndOtherRealEstate	0.0034
CY2019Q4	pb	Nonperforming Assets To Loans Excluding Warehouse Purchase Program Loans And Other Real Estate NonperformingAssetsToLoansExcludingWarehousePurchaseProgramLoansAndOtherRealEstate	0.0036
CY2018Q4	pb	Nonperforming Assets To Loans Excluding Warehouse Purchase Program Loans And Other Real Estate NonperformingAssetsToLoansExcludingWarehousePurchaseProgramLoansAndOtherRealEstate	0.0018
CY2017Q4	pb	Nonperforming Assets To Loans Excluding Warehouse Purchase Program Loans And Other Real Estate NonperformingAssetsToLoansExcludingWarehousePurchaseProgramLoansAndOtherRealEstate	0.0037
CY2016Q4	pb	Nonperforming Assets To Loans Excluding Warehouse Purchase Program Loans And Other Real Estate NonperformingAssetsToLoansExcludingWarehousePurchaseProgramLoansAndOtherRealEstate	0.0050
CY2020Q4	pb	Financing Receivable Ratio Of Nonperforming Loans To All Loans And Other Real Estate FinancingReceivableRatioOfNonperformingLoansToAllLoansAndOtherRealEstate	0.0029
CY2019Q4	pb	Financing Receivable Ratio Of Nonperforming Loans To All Loans And Other Real Estate FinancingReceivableRatioOfNonperformingLoansToAllLoansAndOtherRealEstate	0.0033
CY2018Q4	pb	Financing Receivable Ratio Of Nonperforming Loans To All Loans And Other Real Estate FinancingReceivableRatioOfNonperformingLoansToAllLoansAndOtherRealEstate	0.0018
CY2020	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	3300000
CY2019	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	2900000
CY2018	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	1700000
CY2020Q4	us-gaap	Loans And Leases Receivable Impaired Nonperforming Nonaccrual Of Interest LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest	47200000
CY2019Q4	us-gaap	Loans And Leases Receivable Impaired Nonperforming Nonaccrual Of Interest LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest	55200000
CY2018Q4	us-gaap	Loans And Leases Receivable Impaired Nonperforming Nonaccrual Of Interest LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest	13100000
CY2020Q4	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	7894719000
CY2020Q4	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	2999773000
CY2020Q4	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	2340500000
CY2020Q4	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	1764631000
CY2020Q4	pb	Financing Receivable Payable Originated Four Years Before Latest Fiscal Year FinancingReceivablePayableOriginatedFourYearsBeforeLatestFiscalYear	1239895000
CY2020Q4	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	2504593000
CY2020Q4	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	1481307000
CY2020Q4	pb	Financing Receivable Revolving Converted To Term Loans FinancingReceivableRevolvingConvertedToTermLoans	21526000
CY2020Q4	pb	Loans And Leases Receivable Net Of Deferred Income And Loan Receivable Held For Sale Amount LoansAndLeasesReceivableNetOfDeferredIncomeAndLoanReceivableHeldForSaleAmount	20246944000
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	87469000
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	20000000
CY2020	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	35570000
CY2020	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	3631000
CY2020	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	31939000
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	316068000
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	86440000
CY2019	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	4300000
CY2019	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	7857000
CY2019	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	4586000
CY2019	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	3271000
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	87469000
CY2017Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	84041000
CY2018	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	16350000
CY2018	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	17773000
CY2018	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	3822000
CY2018	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	13951000
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	86440000
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	316100000
CY2020Q4	pb	Allowance For Credit Losses As Percentage Of Loans AllowanceForCreditLossesAsPercentageOfLoans	0.0156
CY2020	us-gaap	Allowance For Loan And Lease Losses Period Increase Decrease AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease	228600000
CY2020	pb	Increase Decrease In Allowance For Credit Losses Percent IncreaseDecreaseInAllowanceForCreditLossesPercent	2.613
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	87500000
CY2019Q4	pb	Allowance For Credit Losses As Percentage Of Loans AllowanceForCreditLossesAsPercentageOfLoans	0.0046
CY2020Q4	pb	Commitments Expected To Fund CommitmentsExpectedToFund	1690000000
CY2019	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	3
CY2019	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	15252000
CY2019	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	13560000
CY2020	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0
CY2019	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	3
CY2019	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	15300000
CY2019Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	13600000
CY2019	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	0
CY2020	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	0
CY2020Q4	pb	Outstanding Loan On Deferral And Modification Agreements OutstandingLoanOnDeferralAndModificationAgreements	328000000.0
CY2020	us-gaap	Other Real Estate Additions OtherRealEstateAdditions	16000000.0
CY2020	pb	Real Estate Owned Outstanding RealEstateOwnedOutstanding	10600000
CY2020	pb	Additions To Impaired Loans AdditionsToImpairedLoans	30400000
CY2020	pb	Impaired Loans Outstanding ImpairedLoansOutstanding	16000000.0
CY2018	us-gaap	Interest Expense Time Deposits100000 Or More InterestExpenseTimeDeposits100000OrMore	13400000
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	43700000
CY2018	us-gaap	Rental Income Nonoperating RentalIncomeNonoperating	1698000
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	461614000
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	456908000
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	138042000
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	130076000
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	323572000
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	326832000
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	18200000
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	13700000
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	12400000
CY2020Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More Three Months Or Less ContractualMaturitiesTimeDeposits100000OrMoreThreeMonthsOrLess	555136000
CY2020Q4	us-gaap	Weighted Average Interest Rate Of Time Deposits100000 Or More Three Months Or Less WeightedAverageInterestRateOfTimeDeposits100000OrMoreThreeMonthsOrLess	0.250
CY2020Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More Three Months Through Six Months ContractualMaturitiesTimeDeposits100000OrMoreThreeMonthsThroughSixMonths	1220702000
CY2020Q4	us-gaap	Weighted Average Interest Rate Of Time Deposits100000 Or More Three Months Through Six Months WeightedAverageInterestRateOfTimeDeposits100000OrMoreThreeMonthsThroughSixMonths	0.551
CY2020Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More Six Months Through12 Months ContractualMaturitiesTimeDeposits100000OrMoreSixMonthsThrough12Months	378323000
CY2020Q4	us-gaap	Weighted Average Interest Rate Of Time Deposits100000 Or More Six Months Through12 Months WeightedAverageInterestRateOfTimeDeposits100000OrMoreSixMonthsThrough12Months	0.171
CY2020Q4	us-gaap	Contractual Maturities Time Deposits100000 Or More After12 Months ContractualMaturitiesTimeDeposits100000OrMoreAfter12Months	62848000
CY2020Q4	us-gaap	Weighted Average Interest Rate Of Time Deposits100000 Or More After12 Months WeightedAverageInterestRateOfTimeDeposits100000OrMoreAfter12Months	0.028
CY2020Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	2217009000
CY2020Q4	us-gaap	Weighted Average Interest Rate Of Time Deposits100000 Or More WeightedAverageInterestRateOfTimeDeposits100000OrMore	1.000
CY2020	us-gaap	Interest Expense Time Deposits100000 Or More InterestExpenseTimeDeposits100000OrMore	38600000
CY2019	us-gaap	Interest Expense Time Deposits100000 Or More InterestExpenseTimeDeposits100000OrMore	27800000
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Branch Of Fhlb Bank Amount Of Advances By Branch FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch	1300000000
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	3730000
CY2019Q4	us-gaap	Other Borrowings OtherBorrowings	1303730000
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	389583000
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	377294000
CY2019Q4	us-gaap	Subordinated Debt SubordinatedDebt	125804000
CY2020Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	389583000
CY2019Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	1806828000
CY2020Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Maximum Amount Available FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable	8450000000
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Branch Of Fhlb Bank Amount Of Advances By Branch FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch	0
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	389600000
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	377300000
CY2020	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	12300000
CY2020Q4	pb	Percentage Of Increase Decrease In Securities Sold Under Agreement To Repurchase PercentageOfIncreaseDecreaseInSecuritiesSoldUnderAgreementToRepurchase	0.033
CY2020Q4	us-gaap	Repayments Of Subordinated Debt RepaymentsOfSubordinatedDebt	125000000.0
CY2020Q4	us-gaap	Subordinated Debt SubordinatedDebt	0
CY2019Q4	us-gaap	Subordinated Debt SubordinatedDebt	125800000
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	91314000
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	113073000
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	74346000
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	24816000
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-26417000
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	6877000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	116130000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	86656000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	81223000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	135457000
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-126000
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-418000
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	88055000
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	84637000
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	52000
CY2019	us-gaap	Rental Income Nonoperating RentalIncomeNonoperating	1412000
CY2020	us-gaap	Noninterest Income Other NoninterestIncomeOther	15161000
CY2019	us-gaap	Noninterest Income Other NoninterestIncomeOther	13604000
CY2018	us-gaap	Noninterest Income Other NoninterestIncomeOther	8644000
CY2020	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	28788000
CY2019	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	26415000
CY2018	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	21769000
CY2020	us-gaap	Advertising Expense AdvertisingExpense	3486000
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	2317000
CY2020	pb	Minimum Restricted Stock Compensation For Income Tax Reconciliation As Per Tax Cuts And Jobs Act MinimumRestrictedStockCompensationForIncomeTaxReconciliationAsPerTaxCutsAndJobsAct	1000000
CY2020	pb	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Compensation Greater Than One Million TaxCutsAndJobsActOf2017ChangeInTaxRateCompensationGreaterThanOneMillion	615000
CY2019	pb	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Compensation Greater Than One Million TaxCutsAndJobsActOf2017ChangeInTaxRateCompensationGreaterThanOneMillion	628000
CY2018	pb	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Compensation Greater Than One Million TaxCutsAndJobsActOf2017ChangeInTaxRateCompensationGreaterThanOneMillion	651000
CY2020	pb	Income Tax Reconciliation Nondeductible Expense Compensation Cost IncomeTaxReconciliationNondeductibleExpenseCompensationCost	873000
CY2019	pb	Income Tax Reconciliation Nondeductible Expense Compensation Cost IncomeTaxReconciliationNondeductibleExpenseCompensationCost	357000
CY2020	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	2455000
CY2019	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	2851000
CY2018	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	3504000
CY2020	pb	Income Tax Reconciliation Qualified School Construction Bond Credit IncomeTaxReconciliationQualifiedSchoolConstructionBondCredit	1453000
CY2019	pb	Income Tax Reconciliation Qualified School Construction Bond Credit IncomeTaxReconciliationQualifiedSchoolConstructionBondCredit	1534000
CY2018	pb	Income Tax Reconciliation Qualified School Construction Bond Credit IncomeTaxReconciliationQualifiedSchoolConstructionBondCredit	1608000
CY2020	pb	Income Tax Reconciliation Non Taxable Death Benefits IncomeTaxReconciliationNonTaxableDeathBenefits	286000
CY2019	pb	Income Tax Reconciliation Non Taxable Death Benefits IncomeTaxReconciliationNonTaxableDeathBenefits	464000
CY2018	pb	Income Tax Reconciliation Non Taxable Death Benefits IncomeTaxReconciliationNonTaxableDeathBenefits	56000
CY2020	pb	Income Tax Reconciliation Bank Owned Life Insurance Income IncomeTaxReconciliationBankOwnedLifeInsuranceIncome	1208000
CY2019	pb	Income Tax Reconciliation Bank Owned Life Insurance Income IncomeTaxReconciliationBankOwnedLifeInsuranceIncome	1140000
CY2018	pb	Income Tax Reconciliation Bank Owned Life Insurance Income IncomeTaxReconciliationBankOwnedLifeInsuranceIncome	1110000
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2230000
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1629000
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1482000
CY2020	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	2450000
CY2019	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	2102000
CY2018	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	1149000
CY2020	pb	Income Taxes Receivable Net Operating Loss Cares Act IncomeTaxesReceivableNetOperatingLossCARESAct	20145000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	116130000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	86656000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	81223000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2020Q4	pb	Deferred Tax Assets Loan Purchase Discounts DeferredTaxAssetsLoanPurchaseDiscounts	11298000
CY2019Q4	pb	Deferred Tax Assets Loan Purchase Discounts DeferredTaxAssetsLoanPurchaseDiscounts	58264000
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	66374000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	18206000
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	3759000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	4193000
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	6964000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	5090000
CY2020Q4	pb	Deferred Tax Assets Current Expected Credit Loss Unfunded Loans DeferredTaxAssetsCurrentExpectedCreditLossUnfundedLoans	6289000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	3042000
CY2020Q4	pb	Deferred Tax Assets Certificate Of Deposits DeferredTaxAssetsCertificateOfDeposits	360000
CY2019Q4	pb	Deferred Tax Assets Certificate Of Deposits DeferredTaxAssetsCertificateOfDeposits	1640000
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	2000
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	44000
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	13000
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1412000
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	97376000
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	91891000
CY2020Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	37057000
CY2019Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	38226000
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	9968000
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	8890000
CY2020Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	36000
CY2019Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	158000
CY2018	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	5284000
CY2020	us-gaap	Rental Income Nonoperating RentalIncomeNonoperating	1348000
CY2020Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	204000
CY2019Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	160000
CY2020Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	1216000
CY2019Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	1555000
CY2020Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Financing Costs DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts	3211000
CY2019Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Financing Costs DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts	5958000
CY2020Q4	pb	Deferred Tax Assets Investments Credit DeferredTaxAssetsInvestmentsCredit	1381000
CY2019Q4	pb	Deferred Tax Assets Investments Credit DeferredTaxAssetsInvestmentsCredit	90000
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	53073000
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	55037000
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	44303000
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	36854000
CY2020Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0
CY2019Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2020	pb	Income Taxes Receivable Net Operating Loss Cares Act IncomeTaxesReceivableNetOperatingLossCARESAct	20100000
CY2020	pb	Decrease In Deferred Tax Asset DecreaseInDeferredTaxAsset	-30200000
CY2020Q4	pb	Number Of Stock Based Employee Compensation Plans NumberOfStockBasedEmployeeCompensationPlans	2
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	12600000
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10600000
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10500000
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2000000.0
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1700000
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2000000.0
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	0
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	0
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	0
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	0
CY2020Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	32500000
CY2020	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y10M13D
CY2020	pb	Banking Related Service Fees Income BankingRelatedServiceFeesIncome	6525000
CY2019	pb	Banking Related Service Fees Income BankingRelatedServiceFeesIncome	5973000
CY2018	pb	Banking Related Service Fees Income BankingRelatedServiceFeesIncome	6143000
CY2020	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	5754000
CY2019	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	5426000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	11080000
CY2019	us-gaap	Advertising Expense AdvertisingExpense	3207000
CY2018	us-gaap	Advertising Expense AdvertisingExpense	2838000
CY2020	us-gaap	Nonoperating Gains Losses NonoperatingGainsLosses	-3251000
CY2019	us-gaap	Nonoperating Gains Losses NonoperatingGainsLosses	-1576000
CY2018	us-gaap	Nonoperating Gains Losses NonoperatingGainsLosses	-1805000
CY2020	pb	Print And Supply Expense PrintAndSupplyExpense	3075000
CY2019	pb	Print And Supply Expense PrintAndSupplyExpense	2354000
CY2018	pb	Print And Supply Expense PrintAndSupplyExpense	2392000
CY2020	us-gaap	Professional Fees ProfessionalFees	9034000
CY2019	us-gaap	Professional Fees ProfessionalFees	5577000
CY2018	us-gaap	Professional Fees ProfessionalFees	6041000
CY2020	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	9343000
CY2019	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	8179000
CY2018	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	7779000
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	5317000
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	5314000
CY2018	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	4658000
CY2020	pb	Other Non Interest Expense Other OtherNonInterestExpenseOther	17171000
CY2019	pb	Other Non Interest Expense Other OtherNonInterestExpenseOther	11506000
CY2018	pb	Other Non Interest Expense Other OtherNonInterestExpenseOther	10301000
CY2020	us-gaap	Other Noninterest Expense OtherNoninterestExpense	50677000
CY2019	us-gaap	Other Noninterest Expense OtherNoninterestExpense	37713000
CY2018	us-gaap	Other Noninterest Expense OtherNoninterestExpense	35814000
CY2020	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	0.50
CY2020	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.15
CY2020	pb	Matching Contribution Amounts MatchingContributionAmounts	7400000
CY2019	pb	Matching Contribution Amounts MatchingContributionAmounts	5400000
CY2018	pb	Matching Contribution Amounts MatchingContributionAmounts	4700000
CY2020Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	29900000
CY2019Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	5600000
CY2020	pb	Number Of Sublease Arrangement NumberOfSubleaseArrangement	1
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	57000000
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	57000000
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y1M6D
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0227
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	14300000
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	6800000
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	11200000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	10555000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	9807000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	8885000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	8493000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	20568000
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	69388000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	10137000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	9169000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	8641000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	7998000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	7119000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	24996000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	68060000
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	13700000
CY2019	us-gaap	Operating Lease Expense OperatingLeaseExpense	7200000
CY2018	us-gaap	Operating Lease Expense OperatingLeaseExpense	6100000
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	212000
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	45000
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	167000
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	370000
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	78000
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	292000
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	535000
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	112000
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	423000
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	212000
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	45000
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	167000
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	370000
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	78000
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	292000
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	535000
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	112000
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	423000
CY2020	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	212000
CY2020	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	45000
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	167000
CY2019	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	370000
CY2019	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	78000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	292000
CY2018	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	535000
CY2018	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	112000
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	423000
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	602000
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	167000
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	769000
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	310000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	292000
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	602000
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-113000
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	423000
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	310000
CY2020	pb	Percentage Of Capital Conversion Buffer PercentageOfCapitalConversionBuffer	0.025
CY2020Q4	pb	Common Equity Tier One Capital Minimum Required Plus Capital Conservation Weighted Assets CommonEquityTierOneCapitalMinimumRequiredPlusCapitalConservationWeightedAssets	0.070
CY2020Q4	pb	Tier One Risk Based One Capital Minimum Required Plus Capital Conservation Weighted Assets TierOneRiskBasedOneCapitalMinimumRequiredPlusCapitalConservationWeightedAssets	0.085
CY2020Q4	pb	Capital Minimum Required Plus Capital Conservation Weighted Assets CapitalMinimumRequiredPlusCapitalConservationWeightedAssets	0.105
CY2020Q4	pb	Tier One Leverage Minimum Required Plus Capital Conservation Weighted Assets TierOneLeverageMinimumRequiredPlusCapitalConservationWeightedAssets	0.040
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	173800000
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	128900000
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	104100000
CY2020	us-gaap	Cash Dividends Paid To Parent Company CashDividendsPaidToParentCompany	351200000
CY2019	us-gaap	Cash Dividends Paid To Parent Company CashDividendsPaidToParentCompany	551700000
CY2018	us-gaap	Cash Dividends Paid To Parent Company CashDividendsPaidToParentCompany	101000000.0

Files In Submission

Name	View Source	Status
0001564590-21-009500-index-headers.html	Edgar Link	pending
0001564590-21-009500-index.html	Edgar Link	pending
0001564590-21-009500.txt	Edgar Link	pending
0001564590-21-009500-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
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pb-20201231_cal.xml	Edgar Link	unprocessable
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2020 Form 10-K Financial Statement

#000156459021009500 Filed on February 26, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PB PROSPERITY BANCSHARES INC Stock $pb

2020 Form 10-K Financial Statement

#000156459021009500 Filed on February 26, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PB
PROSPERITY BANCSHARES INC Stock $pb