$NFBK
Northfield Bancorp, Inc. Stock $nfbk

$nfbk Overview Financials Valuation SEC Filings Company Website

2017 Q4 Form 10-Q Financial Statement

#000149322517000077 Filed on November 09, 2017

Income Statement

Concept	2017 Q4	2017 Q3	2016 Q3
Revenue		$33.53M	$31.53M
YoY Change		6.34%	23.29%
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	$880.0K	$880.0K	$990.0K
YoY Change	-10.2%	-11.11%	13.79%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$6.173M	$5.274M
YoY Change		17.05%	5.54%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$13.97M	$12.65M	$11.07M
YoY Change	12.03%	14.29%	53.91%
Income Tax	$5.230M	$4.525M	$3.782M
% Of Pretax Income	37.44%	35.77%	34.17%
Net Earnings	-$1.720M	$8.126M	$7.287M
YoY Change	-120.98%	11.51%	55.81%
Net Earnings / Revenue		24.24%	23.11%
Basic Earnings Per Share		$0.18	$0.16
Diluted Earnings Per Share	-$37.78K	$0.17	$0.16
COMMON SHARES
Basic Shares Outstanding	48.88M shares	45.49M shares	44.56M shares
Diluted Shares Outstanding		46.74M shares	45.72M shares

Balance Sheet

Concept	2017 Q4	2017 Q3	2016 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$57.84M	$103.2M	$36.14M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$25.75M	$25.50M	$27.56M
YoY Change	-4.33%	-7.45%	13.0%
Goodwill	$38.41M	$38.41M	$38.41M
YoY Change	0.0%	0.0%	137.71%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$3.991B	$4.007B	$3.785B
YoY Change	3.67%	5.87%	18.96%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$14.80M	$14.30M	$11.90M
YoY Change	20.33%	20.17%	8.18%
Accrued Expenses	$29.20M	$28.40M	$28.80M
YoY Change	-2.01%	-1.39%	42.57%
Deferred Revenue
YoY Change
Short-Term Debt	$7.000M
YoY Change	-64.1%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$44.00M	$42.70M	$40.70M
YoY Change	4.51%	4.91%	30.45%
LONG-TERM LIABILITIES
Long-Term Debt	$300.0K	$583.7M	$494.4M
YoY Change	-40.0%	18.06%	19.25%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$300.0K	$583.7M	$494.4M
YoY Change	-40.0%	18.06%	19.25%
TOTAL LIABILITIES
Total Short-Term Liabilities	$44.00M	$42.70M	$40.70M
Total Long-Term Liabilities	$300.0K	$583.7M	$494.4M
Total Liabilities	$3.353B	$3.362B	$3.164B
YoY Change	3.83%	6.25%	20.61%
SHAREHOLDERS EQUITY
Retained Earnings	$281.1M	$286.6M	$263.7M
YoY Change	4.81%	8.69%	3.97%
Common Stock	$609.0K	$609.0K	$609.0K
YoY Change	0.0%	0.0%	4.64%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$164.0M	$163.0M	$170.4M
YoY Change	-2.21%	-4.36%	-0.24%
Treasury Stock Shares	12.13M shares	12.05M shares	12.60M shares
Shareholders Equity	$638.9M	$645.0M	$620.5M
YoY Change
Total Liabilities & Shareholders Equity	$3.991B	$4.007B	$3.785B
YoY Change	3.67%	5.87%	18.96%

Cashflow Statement

Concept	2017 Q4	2017 Q3	2016 Q3
OPERATING ACTIVITIES
Net Income	-$1.720M	$8.126M	$7.287M
YoY Change	-120.98%	11.51%	55.81%
Depreciation, Depletion And Amortization	$880.0K	$880.0K	$990.0K
YoY Change	-10.2%	-11.11%	13.79%
Cash From Operating Activities	$9.190M	$14.33M	$11.36M
YoY Change	-34.64%	26.14%	11.37%
INVESTING ACTIVITIES
Capital Expenditures	-$1.030M	-$400.0K	-$300.0K
YoY Change	368.18%	33.33%	275.0%
Acquisitions
YoY Change
Other Investing Activities	-$38.93M	-$96.21M	-$69.86M
YoY Change	167.38%	37.72%	175.26%
Cash From Investing Activities	-$39.96M	-$96.61M	-$70.15M
YoY Change	170.18%	37.72%	175.53%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-14.64M	135.2M	34.41M
YoY Change	-124.13%	292.97%	35.1%
NET CHANGE
Cash From Operating Activities	9.190M	14.33M	11.36M
Cash From Investing Activities	-39.96M	-96.61M	-70.15M
Cash From Financing Activities	-14.64M	135.2M	34.41M
Net Change In Cash	-45.41M	52.94M	-24.38M
YoY Change	-175.75%	-317.15%	-338.79%
FREE CASH FLOW
Cash From Operating Activities	$9.190M	$14.33M	$11.36M
Capital Expenditures	-$1.030M	-$400.0K	-$300.0K
Free Cash Flow	$10.22M	$14.73M	$11.66M
YoY Change	-28.43%	26.33%	13.42%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	nfbk	Amortization Of Premiums And Deferred Loan Costs AmortizationOfPremiumsAndDeferredLoanCosts	1551000	USD
CY2016Q4	nfbk	Availableforsale Securities Continuous Unrealized Loss Position12 Monthsor Longer Aggregate Losses Accumulatedin Aoci AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsorLongerAggregateLossesAccumulatedinAOCI	5449000	USD
CY2017Q3	nfbk	Deferred Loan Cost Net DeferredLoanCostNet	6465000	USD
	nfbk	Delinquent Status Classification Criteria Days Minimum DelinquentStatusClassificationCriteriaDaysMinimum	P90D
CY2017Q3	nfbk	Availableforsale Securities Continuous Unrealized Loss Position12 Monthsor Longer Aggregate Losses Accumulatedin Aoci AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsorLongerAggregateLossesAccumulatedinAOCI	4022000	USD
CY2016Q4	nfbk	Availableforsale Securities Continuous Unrealized Loss Position Aggregate Losses Accumulatedin Aoci AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedinAOCI	10159000	USD
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2017
	dei	Document Period End Date DocumentPeriodEndDate	2017-09-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0001493225
CY2017Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	48879812	shares
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	Northfield Bancorp, Inc.
CY2016Q3	nfbk	Allowance For Loan And Lease Losses Write Offs Detailed Amount AllowanceForLoanAndLeaseLossesWriteOffsDetailedAmount	470000	USD
	nfbk	Allowance For Loan And Lease Losses Write Offs Detailed Amount AllowanceForLoanAndLeaseLossesWriteOffsDetailedAmount	959000	USD
CY2017Q3	nfbk	Allowance For Loan And Lease Losses Write Offs Detailed Amount AllowanceForLoanAndLeaseLossesWriteOffsDetailedAmount	79000	USD
	nfbk	Allowance For Loan And Lease Losses Write Offs Detailed Amount AllowanceForLoanAndLeaseLossesWriteOffsDetailedAmount	395000	USD
	nfbk	Amortization Of Premiums And Deferred Loan Costs AmortizationOfPremiumsAndDeferredLoanCosts	1580000	USD
CY2017Q3	nfbk	Availableforsale Securities Continuous Unrealized Loss Position Aggregate Losses Accumulatedin Aoci AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedinAOCI	6779000	USD
CY2016Q4	nfbk	Availableforsale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses Accumulatedin Aoci AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesAccumulatedinAOCI	4710000	USD
CY2017Q3	nfbk	Availableforsale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses Accumulatedin Aoci AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesAccumulatedinAOCI	2757000	USD
CY2016Q4	nfbk	Certain Loans Acquired In Transfer CertainLoansAcquiredInTransfer	793240000	USD
CY2017Q3	nfbk	Certain Loans Acquired In Transfer CertainLoansAcquiredInTransfer	745063000	USD
CY2016Q3	nfbk	Certain Loans Acquiredin Transfer Not Accountedforas Debt Securities Accretable Yield Acquisitions CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesAccretableYieldAcquisitions	0	USD
	nfbk	Certain Loans Acquiredin Transfer Not Accountedforas Debt Securities Accretable Yield Acquisitions CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesAccretableYieldAcquisitions	845000	USD
CY2017Q3	nfbk	Certain Loans Acquiredin Transfer Not Accountedforas Debt Securities Accretable Yield Acquisitions CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesAccretableYieldAcquisitions	0	USD
	nfbk	Certain Loans Acquiredin Transfer Not Accountedforas Debt Securities Accretable Yield Acquisitions CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesAccretableYieldAcquisitions	0	USD
	nfbk	Death Benefit Received Bank Owned Life Insurance DeathBenefitReceivedBankOwnedLifeInsurance	0	USD
	nfbk	Death Benefit Received Bank Owned Life Insurance DeathBenefitReceivedBankOwnedLifeInsurance	2828000	USD
CY2016Q4	nfbk	Deferred Loan Cost Net DeferredLoanCostNet	6471000	USD
	nfbk	Effective Income Tax Rate Reconciliation Sharebased Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitAmount	2300000	USD
	nfbk	Noncashor Part Noncash Acquisition Noncash Financialor Equity Instrument Consideration Valueof Shares Issued NoncashorPartNoncashAcquisitionNoncashFinancialorEquityInstrumentConsiderationValueofSharesIssued	0	USD
CY2017Q3	nfbk	Operating Leases Numberof Contracts Amended OperatingLeasesNumberofContractsAmended	1	contract
CY2017Q3	nfbk	Investment In Non Accrual Loans InvestmentInNonAccrualLoans	5500000	USD
CY2016Q4	nfbk	Loans Deemed To Be Impaired Non Accrual Amount LoansDeemedToBeImpairedNonAccrualAmount	5700000	USD
CY2016Q4	nfbk	Originated Loan Individually Evaluated For Impairment One OriginatedLoanIndividuallyEvaluatedForImpairmentOne	26290000	USD
CY2017Q3	nfbk	Originated Loan Individually Evaluated For Impairment One OriginatedLoanIndividuallyEvaluatedForImpairmentOne	23241000	USD
CY2016Q4	nfbk	Estimated Fair Value Of Impaired Loans Held For Investment EstimatedFairValueOfImpairedLoansHeldForInvestment	14500000	USD
CY2017Q3	nfbk	Estimated Fair Value Of Impaired Loans Held For Investment EstimatedFairValueOfImpairedLoansHeldForInvestment	6600000	USD
CY2016Q4	nfbk	Investment In Non Accrual Loans InvestmentInNonAccrualLoans	7300000	USD
CY2017Q3	nfbk	Loans Deemed To Be Impaired Non Accrual Amount LoansDeemedToBeImpairedNonAccrualAmount	3100000	USD
CY2016Q4	nfbk	Loans On Non Accrual Status With Principal Balances Below Threshold Definition Of Impaired Loan LoansOnNonAccrualStatusWithPrincipalBalancesBelowThresholdDefinitionOfImpairedLoan	1700000	USD
CY2017Q3	nfbk	Loans On Non Accrual Status With Principal Balances Below Threshold Definition Of Impaired Loan LoansOnNonAccrualStatusWithPrincipalBalancesBelowThresholdDefinitionOfImpairedLoan	2400000	USD
CY2016Q4	nfbk	Loans Receivable Commercial And Industrial Insurance Premium And Other Loans LoansReceivableCommercialAndIndustrialInsurancePremiumAndOtherLoans	33403000	USD
CY2017Q3	nfbk	Loans Receivable Commercial And Industrial Insurance Premium And Other Loans LoansReceivableCommercialAndIndustrialInsurancePremiumAndOtherLoans	35494000	USD
	nfbk	Non Cash Or Non Cash Acquisition Accrued Interest Receivable NonCashOrNonCashAcquisitionAccruedInterestReceivable	1452000	USD
	nfbk	Non Cash Or Non Cash Acquisition Accrued Interest Receivable NonCashOrNonCashAcquisitionAccruedInterestReceivable	0	USD
CY2016Q4	nfbk	Nonaccrual Loans Receivable Heldforsale Amount NonaccrualLoansReceivableHeldforsaleAmount	0	USD
CY2017Q3	nfbk	Nonaccrual Loans Receivable Heldforsale Amount NonaccrualLoansReceivableHeldforsaleAmount	0	USD
	nfbk	Noncashor Part Noncash Acquisition Bank Owned Life Insurance NoncashorPartNoncashAcquisitionBankOwnedLifeInsurance	11269000	USD
	nfbk	Noncashor Part Noncash Acquisition Bank Owned Life Insurance NoncashorPartNoncashAcquisitionBankOwnedLifeInsurance	0	USD
	nfbk	Noncashor Part Noncash Acquisition Cashand Cash Equivalents Acquired NoncashorPartNoncashAcquisitionCashandCashEquivalentsAcquired	55479000	USD
	nfbk	Noncashor Part Noncash Acquisition Cashand Cash Equivalents Acquired NoncashorPartNoncashAcquisitionCashandCashEquivalentsAcquired	0	USD
	nfbk	Noncashor Part Noncash Acquisition Deposits NoncashorPartNoncashAcquisitionDeposits	456203000	USD
	nfbk	Noncashor Part Noncash Acquisition Deposits NoncashorPartNoncashAcquisitionDeposits	0	USD
	nfbk	Noncashor Part Noncash Acquisition Federal Home Loan Bank Stock NoncashorPartNoncashAcquisitionFederalHomeLoanBankStock	476000	USD
	nfbk	Noncashor Part Noncash Acquisition Federal Home Loan Bank Stock NoncashorPartNoncashAcquisitionFederalHomeLoanBankStock	0	USD
	nfbk	Noncashor Part Noncash Acquisition Intangible Assetsincluding Goodwill Acquired NoncashorPartNoncashAcquisitionIntangibleAssetsincludingGoodwillAcquired	24265000	USD
	nfbk	Noncashor Part Noncash Acquisition Intangible Assetsincluding Goodwill Acquired NoncashorPartNoncashAcquisitionIntangibleAssetsincludingGoodwillAcquired	0	USD
	nfbk	Noncashor Part Noncash Acquisition Loansand Leases Receivable Net NoncashorPartNoncashAcquisitionLoansandLeasesReceivableNet	342566000	USD
	nfbk	Noncashor Part Noncash Acquisition Loansand Leases Receivable Net NoncashorPartNoncashAcquisitionLoansandLeasesReceivableNet	0	USD
	nfbk	Noncashor Part Noncash Acquisition Noncash Financialor Equity Instrument Consideration Valueof Shares Issued NoncashorPartNoncashAcquisitionNoncashFinancialorEquityInstrumentConsiderationValueofSharesIssued	41721000	USD
CY2016Q4	nfbk	Originated Loans Collectively Evaluated For Impairment OriginatedLoansCollectivelyEvaluatedForImpairment	2941794000	USD
CY2017Q3	nfbk	Originated Loans Collectively Evaluated For Impairment OriginatedLoansCollectivelyEvaluatedForImpairment	3108646000	USD
CY2016Q4	nfbk	Originated Loans Held For Investment Net OriginatedLoansHeldForInvestmentNet	2144346000	USD
CY2017Q3	nfbk	Originated Loans Held For Investment Net OriginatedLoansHeldForInvestmentNet	2360864000	USD
CY2016Q4	nfbk	Principal Amount Outstanding Of Impaired Loans Heldfor Investment Heldfor Sale PrincipalAmountOutstandingOfImpairedLoansHeldforInvestmentHeldforSale	17700000	USD
CY2017Q3	nfbk	Principal Amount Outstanding Of Impaired Loans Heldfor Investment Heldfor Sale PrincipalAmountOutstandingOfImpairedLoansHeldforInvestmentHeldforSale	9000000	USD
CY2017Q3	nfbk	Principal Balance Threshold For Non Accrual Status PrincipalBalanceThresholdForNonAccrualStatus	500000	USD
CY2016Q4	nfbk	Purchased Credit Impaired Loans Held For Investment PurchasedCreditImpairedLoansHeldForInvestment	30498000	USD
CY2017Q3	nfbk	Purchased Credit Impaired Loans Held For Investment PurchasedCreditImpairedLoansHeldForInvestment	25960000	USD
CY2017Q3	nfbk	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageGrantDateFairValue	3.25
	nfbk	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageGrantDateFairValue	2.40
CY2016Q4	nfbk	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageGrantDateFairValue	3.41
CY2017Q3	nfbk	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageGrantDateFairValue	3.52
	nfbk	Share Based Compensation Arrangement By Sharebased Payment Award Options Granted Weighted Average Remaining Contractual Term ShareBasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantedWeightedAverageRemainingContractualTerm	P9Y10M13D
CY2016Q4	nfbk	Trouble Debt Restructuring Amount TroubleDebtRestructuringAmount	22400000	USD
CY2017Q3	nfbk	Trouble Debt Restructuring Amount TroubleDebtRestructuringAmount	21700000	USD
CY2016Q4	us-gaap	Accounts Payable And Other Accrued Liabilities AccountsPayableAndOtherAccruedLiabilities	29774000	USD
CY2017Q3	us-gaap	Accounts Payable And Other Accrued Liabilities AccountsPayableAndOtherAccruedLiabilities	28422000	USD
CY2016Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	9714000	USD
CY2017Q3	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	10249000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-4332000	USD
CY2017Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2434000	USD
CY2016Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	547910000	USD
CY2017Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	545955000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	5658000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4765000	USD
	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	895000	USD
CY2016Q4	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	12331000	USD
CY2017Q3	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	14265000	USD
CY2016Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1500000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5700000	USD
CY2017Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1600000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4800000	USD
CY2016Q3	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	21000	USD
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	174000	USD
CY2017Q3	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	85000	USD
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	528000	USD
	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	785000	USD
	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	-133000	USD
	us-gaap	Amortization Of Esop Award AmortizationOfESOPAward	1475000	USD
	us-gaap	Amortization Of Esop Award AmortizationOfESOPAward	1640000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	337000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	292000	USD
CY2016Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1020340	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1021273	shares
CY2017Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1091464	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	393821	shares
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	-24000	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	-246000	USD
CY2016Q4	us-gaap	Assets Assets	3850094000	USD
CY2017Q3	us-gaap	Assets Assets	4006828000	USD
CY2016Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	3222000	USD
CY2017Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	2924000	USD
CY2016Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	10159000	USD
CY2017Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	6779000	USD
CY2016Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	505834000	USD
CY2017Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	486481000	USD
CY2016Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	498897000	USD
CY2017Q3	us-gaap	Available For Sale Securities AvailableForSaleSecurities	482626000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	332510000	USD
CY2017Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	327737000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	226112000	USD
CY2017Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	226594000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	106398000	USD
CY2017Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	101143000	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	498897000	USD
CY2017Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	482626000	USD
CY2016Q3	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	18000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	352000	USD
CY2017Q3	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	0	USD
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	0	USD
CY2016Q3	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	1000	USD
	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	129000	USD
CY2017Q3	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	4000	USD
	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	4000	USD
CY2016Q4	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	11786000	USD
CY2017Q3	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	6990000	USD
CY2016Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	148047000	USD
CY2017Q3	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	149657000	USD
CY2016Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1008000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3001000	USD
CY2017Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	970000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	4438000	USD
	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	55479000	USD
	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	51853000	USD
CY2016Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	36136000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	96085000	USD
CY2017Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	103241000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-15717000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	7156000	USD
CY2016Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	18412000	USD
CY2017Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	15007000	USD
CY2015Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	22853000	USD
CY2016Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	20979000	USD
CY2016Q3	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	19685000	USD
CY2016Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	24215000	USD
CY2017Q2	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	21442000	USD
CY2017Q3	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	20081000	USD
CY2016Q3	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	1294000	USD
	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	4013000	USD
CY2017Q3	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	1361000	USD
	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	4134000	USD
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.23
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.24
CY2016Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2017Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2016Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2017Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	48880772	shares
CY2016Q4	us-gaap	Common Stock Value CommonStockValue	609000	USD
CY2017Q3	us-gaap	Common Stock Value CommonStockValue	609000	USD
CY2016Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	6767000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	23432000	USD
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.39
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.17
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.57
CY2016Q4	us-gaap	Employee Stock Ownership Plan Esop Deferred Shares EmployeeStockOwnershipPlanESOPDeferredShares	23466000	USD
CY2017Q3	us-gaap	Employee Stock Ownership Plan Esop Deferred Shares EmployeeStockOwnershipPlanESOPDeferredShares	22695000	USD
CY2017Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2016Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	60933707	shares
CY2017Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	60933707	shares
CY2016Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	48526658	shares
CY2017Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	8139000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	28382000	USD
CY2016Q4	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	0	USD
CY2016Q4	us-gaap	Deposits Deposits	2713587000	USD
CY2017Q3	us-gaap	Deposits Deposits	2735402000	USD
CY2016Q4	us-gaap	Deposits Negotiable Order Of Withdrawal Now DepositsNegotiableOrderOfWithdrawalNOW	467440000	USD
CY2017Q3	us-gaap	Deposits Negotiable Order Of Withdrawal Now DepositsNegotiableOrderOfWithdrawalNOW	411316000	USD
CY2016Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1319586000	USD
CY2017Q3	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1257757000	USD
	us-gaap	Depreciation Nonproduction DepreciationNonproduction	2717000	USD
	us-gaap	Depreciation Nonproduction DepreciationNonproduction	2449000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	10443000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	11034000	USD
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.16
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.40
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.18
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.59
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.16
CY2016Q3	us-gaap	Equipment Expense EquipmentExpense	349000	USD
	us-gaap	Equipment Expense EquipmentExpense	1074000	USD
CY2017Q3	us-gaap	Equipment Expense EquipmentExpense	279000	USD
	us-gaap	Equipment Expense EquipmentExpense	871000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	895000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	0	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	0	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	0	USD
CY2016Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	256000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1218000	USD
CY2017Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	279000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	795000	USD
CY2016Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	25123000	USD
CY2017Q3	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	29771000	USD
CY2016Q3	us-gaap	Fees And Commissions FeesAndCommissions	1255000	USD
	us-gaap	Fees And Commissions FeesAndCommissions	3627000	USD
CY2017Q3	us-gaap	Fees And Commissions FeesAndCommissions	1238000	USD
	us-gaap	Fees And Commissions FeesAndCommissions	3563000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	24267000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	26016000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	328000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	83000	USD
CY2016Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	0	contract
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	0	contract
CY2017Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	0	contract
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	3	contract
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	1	contract
CY2016Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	60000	USD
CY2017Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	173000	USD
CY2016Q3	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	362000	USD
	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	612000	USD
CY2017Q3	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	337000	USD
	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	1001000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	38411000	USD
CY2017Q3	us-gaap	Goodwill Goodwill	38411000	USD
CY2016Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	10148000	USD
CY2017Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	9983000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	29000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	43000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	59000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	29000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	7466000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	3772000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Current HeldToMaturitySecuritiesCurrent	10148000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Current HeldToMaturitySecuritiesCurrent	9983000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	10118000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	9997000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Pledged As Collateral HeldToMaturitySecuritiesPledgedAsCollateral	2108000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Pledged As Collateral HeldToMaturitySecuritiesPledgedAsCollateral	0	USD
CY2016Q3	us-gaap	Held To Maturity Securities Sold Security At Carrying Value HeldToMaturitySecuritiesSoldSecurityAtCarryingValue	0	USD
CY2017Q3	us-gaap	Held To Maturity Securities Sold Security At Carrying Value HeldToMaturitySecuritiesSoldSecurityAtCarryingValue	0	USD
CY2016	us-gaap	Heldtomaturity Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Loss HeldtomaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLoss	59000	USD
	us-gaap	Heldtomaturity Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Loss HeldtomaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLoss	29000	USD
CY2016Q3	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	31143000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	30764000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	23491000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	24476000	USD
CY2016Q3	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	235000	USD
	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	710000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	285000	USD
	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	797000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	26290000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	23241000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	328000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	82000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	29352000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	25791000	USD
CY2016Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	11500000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	16600000	USD
CY2016Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	11069000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	27324000	USD
CY2017Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	12651000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	37776000	USD
CY2016Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3782000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9392000	USD
CY2017Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4525000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11292000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	9336000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	5500000	USD
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-531000	USD
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	535000	USD
	us-gaap	Increase Decrease In Customer Advances IncreaseDecreaseInCustomerAdvances	1075000	USD
	us-gaap	Increase Decrease In Customer Advances IncreaseDecreaseInCustomerAdvances	1934000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	119869000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	21815000	USD
	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-443000	USD
	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-1352000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	2446000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-3069000	USD
	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	445000	USD
	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	363000	USD
CY2016Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1164070	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1272785	shares
CY2017Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1248510	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1577148	shares
CY2016Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	1674000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	4919000	USD
CY2017Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	1155000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	3436000	USD
CY2016Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	31525000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	92862000	USD
CY2017Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	33525000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	98254000	USD
CY2016Q3	us-gaap	Interest And Dividend Income Securities Available For Sale InterestAndDividendIncomeSecuritiesAvailableForSale	252000	USD
	us-gaap	Interest And Dividend Income Securities Available For Sale InterestAndDividendIncomeSecuritiesAvailableForSale	662000	USD
CY2017Q3	us-gaap	Interest And Dividend Income Securities Available For Sale InterestAndDividendIncomeSecuritiesAvailableForSale	370000	USD
	us-gaap	Interest And Dividend Income Securities Available For Sale InterestAndDividendIncomeSecuritiesAvailableForSale	905000	USD
CY2016Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	28222000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	82792000	USD
CY2017Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	30424000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	89085000	USD
CY2016Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	77673000	USD
CY2017Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	88234000	USD
CY2016Q3	us-gaap	Interest Expense InterestExpense	5274000	USD
	us-gaap	Interest Expense InterestExpense	16242000	USD
CY2017Q3	us-gaap	Interest Expense InterestExpense	6173000	USD
	us-gaap	Interest Expense InterestExpense	17316000	USD
CY2016Q3	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	1729000	USD
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	5570000	USD
CY2017Q3	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	2005000	USD
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	5629000	USD
CY2016Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	3545000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	10672000	USD
CY2017Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	4168000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	11687000	USD
CY2016Q3	us-gaap	Interest Expense Domestic Deposit Liabilities Certificates Of Deposit InterestExpenseDomesticDepositLiabilitiesCertificatesOfDeposit	1668000	USD
	us-gaap	Interest Expense Domestic Deposit Liabilities Certificates Of Deposit InterestExpenseDomesticDepositLiabilitiesCertificatesOfDeposit	4899000	USD
CY2017Q3	us-gaap	Interest Expense Domestic Deposit Liabilities Certificates Of Deposit InterestExpenseDomesticDepositLiabilitiesCertificatesOfDeposit	2135000	USD
	us-gaap	Interest Expense Domestic Deposit Liabilities Certificates Of Deposit InterestExpenseDomesticDepositLiabilitiesCertificatesOfDeposit	5545000	USD
CY2016Q3	us-gaap	Interest Expense Domestic Deposit Liabilities Demand InterestExpenseDomesticDepositLiabilitiesDemand	1877000	USD
	us-gaap	Interest Expense Domestic Deposit Liabilities Demand InterestExpenseDomesticDepositLiabilitiesDemand	5773000	USD
CY2017Q3	us-gaap	Interest Expense Domestic Deposit Liabilities Demand InterestExpenseDomesticDepositLiabilitiesDemand	2033000	USD
	us-gaap	Interest Expense Domestic Deposit Liabilities Demand InterestExpenseDomesticDepositLiabilitiesDemand	6142000	USD
CY2016Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	84000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	225000	USD
CY2017Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	191000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	412000	USD
CY2016Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	25779000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	76265000	USD
CY2017Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	26864000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	79567000	USD
CY2016Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	26251000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	76620000	USD
CY2017Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	27352000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	80938000	USD
CY2016Q3	us-gaap	Interest Income Federal Home Loan Bank Advances InterestIncomeFederalHomeLoanBankAdvances	302000	USD
	us-gaap	Interest Income Federal Home Loan Bank Advances InterestIncomeFederalHomeLoanBankAdvances	861000	USD
CY2017Q3	us-gaap	Interest Income Federal Home Loan Bank Advances InterestIncomeFederalHomeLoanBankAdvances	365000	USD
	us-gaap	Interest Income Federal Home Loan Bank Advances InterestIncomeFederalHomeLoanBankAdvances	1061000	USD
CY2016Q3	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	2665000	USD
	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	8322000	USD
CY2017Q3	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	2175000	USD
	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	6791000	USD
	us-gaap	Interest Paid InterestPaid	16729000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	24595000	USD
CY2017Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	25605000	USD
CY2017Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	26099000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Consumer Other LoansAndLeasesReceivableConsumerOther	1497000	USD
CY2017Q3	us-gaap	Loans And Leases Receivable Consumer Other LoansAndLeasesReceivableConsumerOther	1199000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	2968084000	USD
CY2017Q3	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	3131887000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	2943489000	USD
	us-gaap	Interest Paid InterestPaid	17052000	USD
CY2016Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	9565000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	30891000	USD
CY2017Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	9593000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	29339000	USD
CY2016Q4	us-gaap	Liabilities Liabilities	3228898000	USD
CY2017Q3	us-gaap	Liabilities Liabilities	3361779000	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3850094000	USD
CY2017Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4006828000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	24770000	USD
CY2016Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	24317000	USD
CY2016Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	24340000	USD
CY2017Q3	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	3105788000	USD
CY2016Q4	us-gaap	Loans Receivable Commercial And Industrial LoansReceivableCommercialAndIndustrial	31906000	USD
CY2017Q3	us-gaap	Loans Receivable Commercial And Industrial LoansReceivableCommercialAndIndustrial	34295000	USD
CY2016Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	0	USD
CY2017Q3	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	1500000	USD
CY2016Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	0	USD
CY2017Q3	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	1506000	USD
CY2016Q4	us-gaap	Loans Receivable Net LoansReceivableNet	2144346000	USD
CY2017Q3	us-gaap	Loans Receivable Net LoansReceivableNet	2360864000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	43467000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	123299000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-82822000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-150569000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	23638000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	34426000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	7287000	USD
	us-gaap	Net Income Loss NetIncomeLoss	17932000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	8126000	USD
	us-gaap	Net Income Loss NetIncomeLoss	26484000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	2213000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	5926000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Investments Acquired1 NoncashOrPartNoncashAcquisitionInvestmentsAcquired1	61633000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Investments Acquired1 NoncashOrPartNoncashAcquisitionInvestmentsAcquired1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Net Nonmonetary Assets Acquired Liabilities Assumed1 NoncashOrPartNoncashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumed1	-13758000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Net Nonmonetary Assets Acquired Liabilities Assumed1 NoncashOrPartNoncashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumed1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Other Assets Acquired1 NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1	5389000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Other Assets Acquired1 NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Other Liabilities Assumed1 NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1	8318000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Other Liabilities Assumed1 NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	452976000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	0	USD
	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	466734000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Value Of Liabilities Assumed1 NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1	0	USD
CY2016Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	390484000	USD
CY2017Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	378756000	USD
CY2016Q3	us-gaap	Noninterest Expense NoninterestExpense	17377000	USD
	us-gaap	Noninterest Expense NoninterestExpense	56370000	USD
CY2017Q3	us-gaap	Noninterest Expense NoninterestExpense	16828000	USD
	us-gaap	Noninterest Expense NoninterestExpense	50990000	USD
CY2016Q3	us-gaap	Noninterest Income NoninterestIncome	2667000	USD
	us-gaap	Noninterest Income NoninterestIncome	7429000	USD
CY2017Q3	us-gaap	Noninterest Income NoninterestIncome	2615000	USD
	us-gaap	Noninterest Income NoninterestIncome	9199000	USD
CY2016Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	42000	USD
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	189000	USD
CY2017Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	70000	USD
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	197000	USD
CY2016Q3	us-gaap	Occupancy Net OccupancyNet	2828000	USD
	us-gaap	Occupancy Net OccupancyNet	8597000	USD
CY2017Q3	us-gaap	Occupancy Net OccupancyNet	2807000	USD
	us-gaap	Occupancy Net OccupancyNet	8460000	USD
CY2017Q3	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	12400000	USD
CY2016Q4	us-gaap	Other Assets OtherAssets	44563000	USD
CY2017Q3	us-gaap	Other Assets OtherAssets	40017000	USD
CY2016Q4	us-gaap	Other Borrowings OtherBorrowings	473206000	USD
CY2017Q3	us-gaap	Other Borrowings OtherBorrowings	583690000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-867000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	9182000	USD
CY2017Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-4000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	3086000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-867000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	9182000	USD
CY2017Q3	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	23000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	3167000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	5500000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1898000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-520000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	5500000	USD
CY2017Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	13000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1898000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	67053000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	7050000	USD
CY2017Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2146000	USD
CY2017Q3	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities	0	USD
	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities	0	USD
CY2016Q3	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Heldtomaturity Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetHeldtomaturitySecurities	0	USD
	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Heldtomaturity Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetHeldtomaturitySecurities	0	USD
CY2017Q3	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Heldtomaturity Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetHeldtomaturitySecurities	0	USD
	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Heldtomaturity Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetHeldtomaturitySecurities	0	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	0	USD
CY2017Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-27000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-81000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	0	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	0	USD
CY2017Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-11000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-33000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	17000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	223000	USD
CY2017Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-4000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	7000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	89000	USD
CY2017Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-2000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-850000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	9405000	USD
CY2017Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-4000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	3082000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-340000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	3771000	USD
CY2017Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-1000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1234000	USD
CY2016Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2021000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	6055000	USD
CY2016Q4	us-gaap	Other Real Estate OtherRealEstate	850000	USD
CY2017Q3	us-gaap	Other Real Estate OtherRealEstate	850000	USD
CY2016Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	850000	USD
CY2017Q3	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	850000	USD
CY2016Q3	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities	0	USD
	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities	0	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	42182000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	107567000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	10443000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	11034000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2137000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	0	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	105558000	USD
CY2016Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	525000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	42842000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	42800000	USD
CY2017Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	967000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	967000	USD
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	7515000	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	7210000	USD
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	16640000	USD
	us-gaap	Payments To Acquire Finance Receivables PaymentsToAcquireFinanceReceivables	159531000	USD
	us-gaap	Payments To Acquire Finance Receivables PaymentsToAcquireFinanceReceivables	59087000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	706000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1043000	USD
CY2016Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2017Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2016Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	25000000	shares
CY2017Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	25000000	shares
CY2016Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2017Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2016Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2017Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2016Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2017Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	177241000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	331653000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	126348000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	84882000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	136000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	152000	USD
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	11992000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	0	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	494000	USD
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	45000	USD
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	0	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	120000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	100000	USD
CY2016Q3	us-gaap	Professional Fees ProfessionalFees	684000	USD
	us-gaap	Professional Fees ProfessionalFees	2621000	USD
CY2017Q3	us-gaap	Professional Fees ProfessionalFees	569000	USD
	us-gaap	Professional Fees ProfessionalFees	2034000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	26910000	USD
CY2017Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	25504000	USD
CY2016Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	472000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	355000	USD
CY2017Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	488000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1371000	USD
CY2016Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	472000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	355000	USD
CY2017Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	488000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1371000	USD
	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	153000	USD
	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	166000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	243000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	221003000	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	268226000	USD
CY2017Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	286574000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	7133000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	6405000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	5320	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	13.13
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	24500	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	16.62
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	924002	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	667522	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	13.82
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	14.02
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	275660	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	13.61
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	3128650	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	10.73
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	13.76
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	19540	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	58244	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	4.11
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5328670	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4811651	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	11.36
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	11.87
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	7.48
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	16.62
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y6M
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue	3.97
CY2016	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y9M11D
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y5M12D
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	555723	shares
	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	41721000	USD
	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	0	USD
	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	0	USD
	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	120000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	100000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	559779000	USD
CY2016Q3	us-gaap	Stockholders Equity StockholdersEquity	620500000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	621196000	USD
CY2017Q3	us-gaap	Stockholders Equity StockholdersEquity	645049000	USD
CY2016Q4	us-gaap	Time Deposits TimeDeposits	536077000	USD
CY2017Q3	us-gaap	Time Deposits TimeDeposits	687573000	USD
CY2016Q4	us-gaap	Trading Securities TradingSecurities	7857000	USD
CY2017Q3	us-gaap	Trading Securities TradingSecurities	9225000	USD
CY2016Q3	us-gaap	Trading Securities Realized Gain Loss TradingSecuritiesRealizedGainLoss	345000	USD
	us-gaap	Trading Securities Realized Gain Loss TradingSecuritiesRealizedGainLoss	389000	USD
CY2017Q3	us-gaap	Trading Securities Realized Gain Loss TradingSecuritiesRealizedGainLoss	337000	USD
	us-gaap	Trading Securities Realized Gain Loss TradingSecuritiesRealizedGainLoss	1000000	USD
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	0	USD
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	2009000	USD
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	15.98
CY2016Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	12407049	shares
CY2017Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	12052935	shares
CY2016Q4	us-gaap	Treasury Stock Value TreasuryStockValue	167751000	USD
CY2017Q3	us-gaap	Treasury Stock Value TreasuryStockValue	162960000	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	2137000	USD
CY2016Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	45720752	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	45555261	shares
CY2017Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	46741223	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	46834347	shares
CY2016Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	44556682	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	44282476	shares
CY2017Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	45492713	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	45257199	shares
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:13px;text-align:left;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Whenever necessary, certain prior year amounts are reclassified to conform to the current year presentation.</font></div></div>
	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> Material estimates that are particularly susceptible to change are: the allowance for loan losses, the evaluation of goodwill and other intangible assets, impairment on investment securities, fair value measurements of assets and liabilities, and income taxes. Estimates and assumptions are reviewed periodically and the effects of revisions are reflected in the consolidated financial statements in the period they are deemed necessary. While management uses its best judgment, actual amounts or results could differ significantly from those estimates.</font></div></div>

Files In Submission

Name	View Source	Status
0001493225-17-000077-index-headers.html	Edgar Link	pending
0001493225-17-000077-index.html	Edgar Link	pending
0001493225-17-000077.txt	Edgar Link	pending
0001493225-17-000077-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
nfbk-20170930.xml	Edgar Link	completed
nfbk-20170930.xsd	Edgar Link	pending
nfbk-20170930_cal.xml	Edgar Link	unprocessable
nfbk-20170930_def.xml	Edgar Link	unprocessable
nfbk-20170930_lab.xml	Edgar Link	unprocessable
nfbk-20170930_pre.xml	Edgar Link	unprocessable
nfbk2017-9x30ex311.htm	Edgar Link	pending
nfbk2017-9x30ex312.htm	Edgar Link	pending
nfbk2017-9x30ex32.htm	Edgar Link	pending
nfbk20179-3010xq.htm	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$NFBK
Northfield Bancorp, Inc. Stock $nfbk

2017 Q4 Form 10-Q Financial Statement

#000149322517000077 Filed on November 09, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NFBK Northfield Bancorp, Inc. Stock $nfbk

2017 Q4 Form 10-Q Financial Statement

#000149322517000077 Filed on November 09, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NFBK
Northfield Bancorp, Inc. Stock $nfbk