$CFFN
Capitol Federal Financial, Inc. Stock $cffn

$cffn Overview Financials Valuation SEC Filings Company Website

2017 Form 10-K Financial Statement

#000149090617000061 Filed on November 29, 2017

Income Statement

Concept	2017	2016 Q3	2016 Q2
Revenue	$313.2M	$75.60M	$75.53M
YoY Change	4.01%	1.59%	1.82%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development	$11.28M		$2.716M
YoY Change	7.04%		5.56%
% of Gross Profit
Depreciation & Amortization	$7.800M	$1.800M	$1.800M
YoY Change	9.86%	5.88%	0.0%
% of Gross Profit
Operating Expenses	$11.28M		$2.716M
YoY Change	7.04%		5.56%
Operating Profit
YoY Change
Interest Expense	$117.8M		$27.60M
YoY Change	8.15%		1.61%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$127.9M	$30.21M	$30.03M
YoY Change	4.9%	7.36%	4.54%
Income Tax	$43.78M	$9.510M	$9.481M
% Of Pretax Income	34.23%	31.48%	31.57%
Net Earnings	$84.14M	$20.70M	$20.55M
YoY Change	0.77%	10.18%	4.84%
Net Earnings / Revenue	26.86%	27.38%	27.21%
Basic Earnings Per Share	$0.63	$0.16	$0.15
Diluted Earnings Per Share	$0.63	$0.16	$0.15
COMMON SHARES
Basic Shares Outstanding	134.1M shares	133.3M shares	133.1M shares
Diluted Shares Outstanding	134.2M shares	133.5M shares	133.3M shares

Balance Sheet

Concept	2017	2016 Q3	2016 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents		$281.8M	$152.8M
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	$84.80M	$83.22M	$81.93M
YoY Change	1.92%	9.78%	12.13%
Goodwill
YoY Change
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	$9.193B	$9.267B	$9.242B
YoY Change	-0.8%	-5.86%	1.21%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$52.20M	$50.00M	$40.00M
YoY Change	5.45%	35.14%	14.29%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$200.0M	$200.0M	$200.0M
YoY Change	0.0%	0.0%	-9.09%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$52.70M	$50.00M	$40.00M
YoY Change	5.82%	35.14%	14.29%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$63.70M	$63.00M	$38.00M
YoY Change	1.76%	1.61%	2.7%
Total Long-Term Liabilities	$63.70M	$63.00M	$38.00M
YoY Change	1.76%	1.61%	2.7%
TOTAL LIABILITIES
Total Short-Term Liabilities	$52.70M	$50.00M	$40.00M
Total Long-Term Liabilities	$63.70M	$63.00M	$38.00M
Total Liabilities	$7.825B	$7.874B	$7.861B
YoY Change	-0.63%	-6.57%	2.03%
SHAREHOLDERS EQUITY
Retained Earnings		$268.5M	$259.1M
YoY Change		-9.53%	-12.17%
Common Stock		$1.158B	$1.155B
YoY Change		0.5%	-0.88%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.368B	$1.393B	$1.381B
YoY Change
Total Liabilities & Shareholders Equity	$9.193B	$9.267B	$9.242B
YoY Change	-0.8%	-5.86%	1.21%

Cashflow Statement

Concept	2017	2016 Q3	2016 Q2
OPERATING ACTIVITIES
Net Income	$84.14M	$20.70M	$20.55M
YoY Change	0.77%	10.18%	4.84%
Depreciation, Depletion And Amortization	$7.800M	$1.800M	$1.800M
YoY Change	9.86%	5.88%	0.0%
Cash From Operating Activities	$85.45M	$22.90M	$18.40M
YoY Change	0.58%	-6.15%	2.22%
INVESTING ACTIVITIES
Capital Expenditures	$9.128M	-$3.600M	-$2.900M
YoY Change	-38.55%	-21.74%	26.09%
Acquisitions
YoY Change
Other Investing Activities	$155.4M	$114.3M	$26.20M
YoY Change	35.96%	560.69%	-131.12%
Cash From Investing Activities	$146.3M	$110.8M	$23.40M
YoY Change	47.03%	772.44%	-127.05%
FINANCING ACTIVITIES
Cash Dividend Paid	$118.0M
YoY Change	5.54%
Common Stock Issuance & Retirement, Net	$0.00
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$161.8M	-4.700M	-92.80M
YoY Change	-76.04%	-100.68%	-89.76%
NET CHANGE
Cash From Operating Activities	$85.45M	22.90M	18.40M
Cash From Investing Activities	$146.3M	110.8M	23.40M
Cash From Financing Activities	-$161.8M	-4.700M	-92.80M
Net Change In Cash	$69.90M	129.0M	-51.00M
YoY Change	-114.24%	-82.23%	-94.77%
FREE CASH FLOW
Cash From Operating Activities	$85.45M	$22.90M	$18.40M
Capital Expenditures	$9.128M	-$3.600M	-$2.900M
Free Cash Flow	$76.32M	$26.50M	$21.30M
YoY Change	8.87%	-8.62%	4.93%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2016Q3	cffn	Aggregate Amount Of Loans Serviced For Others AggregateAmountOfLoansServicedForOthers	120000000	USD
CY2017Q3	cffn	Aggregate Amount Of Loans Serviced For Others AggregateAmountOfLoansServicedForOthers	101200000	USD
CY2015	cffn	Amortization Of Deferred Amounts Related To Fhlb Advances Net AmortizationOfDeferredAmountsRelatedToFhlbAdvancesNet	4196000	USD
CY2016	cffn	Amortization Of Deferred Amounts Related To Fhlb Advances Net AmortizationOfDeferredAmountsRelatedToFhlbAdvancesNet	1868000	USD
CY2017	cffn	Amortization Of Deferred Amounts Related To Fhlb Advances Net AmortizationOfDeferredAmountsRelatedToFhlbAdvancesNet	1419000	USD
CY2016	cffn	Average Daily Required Reserve Balance At Federal Reserve Bank AverageDailyRequiredReserveBalanceAtFederalReserveBank	8800000	USD
CY2017	cffn	Average Daily Required Reserve Balance At Federal Reserve Bank AverageDailyRequiredReserveBalanceAtFederalReserveBank	9100000	USD
CY2017Q3	cffn	Capital Conservation Buffer Annual Increase CapitalConservationBufferAnnualIncrease	0.00625
CY2017Q3	cffn	Capital Conservation Buffer Fully Phased In Percentage CapitalConservationBufferFullyPhasedInPercentage	0.025
CY2016	cffn	Commitments Outstanding To Originate And Purchase Loans CommitmentsOutstandingToOriginateAndPurchaseLoans	237749000	USD
CY2017	cffn	Commitments Outstanding To Originate And Purchase Loans CommitmentsOutstandingToOriginateAndPurchaseLoans	169946000	USD
CY2016	cffn	Commitments Outstanding To Purchase Adjustable Rate CommitmentsOutstandingToPurchaseAdjustableRate	18653000	USD
CY2017	cffn	Commitments Outstanding To Purchase Adjustable Rate CommitmentsOutstandingToPurchaseAdjustableRate	52453000	USD
CY2016	cffn	Commitments Outstanding To Purchase Fixed Rate CommitmentsOutstandingToPurchaseFixedRate	138792000	USD
CY2017	cffn	Commitments Outstanding To Purchase Fixed Rate CommitmentsOutstandingToPurchaseFixedRate	74104000	USD
CY2017Q3	cffn	Debt Service Coverage Ratio For Commercial Real Estate Loans Minimum DebtServiceCoverageRatioForCommercialRealEstateLoansMinimum	1.25
CY2015	cffn	Deferred Income Tax Expense Benefit Allowance For Credit Losses DeferredIncomeTaxExpenseBenefitAllowanceForCreditLosses	-75000	USD
CY2016	cffn	Deferred Income Tax Expense Benefit Allowance For Credit Losses DeferredIncomeTaxExpenseBenefitAllowanceForCreditLosses	480000	USD
CY2017	cffn	Deferred Income Tax Expense Benefit Allowance For Credit Losses DeferredIncomeTaxExpenseBenefitAllowanceForCreditLosses	185000	USD
CY2015	cffn	Deferred Income Tax Expense Benefit Fhlb Stock Dividends DeferredIncomeTaxExpenseBenefitFhlbStockDividends	4083000	USD
CY2016	cffn	Deferred Income Tax Expense Benefit Fhlb Stock Dividends DeferredIncomeTaxExpenseBenefitFhlbStockDividends	-1357000	USD
CY2017	cffn	Deferred Income Tax Expense Benefit Fhlb Stock Dividends DeferredIncomeTaxExpenseBenefitFhlbStockDividends	4000	USD
CY2015	cffn	Deferred Income Tax Expense Benefit Fixed Assets DeferredIncomeTaxExpenseBenefitFixedAssets	-129000	USD
CY2016	cffn	Deferred Income Tax Expense Benefit Fixed Assets DeferredIncomeTaxExpenseBenefitFixedAssets	1593000	USD
CY2017	cffn	Deferred Income Tax Expense Benefit Fixed Assets DeferredIncomeTaxExpenseBenefitFixedAssets	14000	USD
CY2015	cffn	Deferred Income Tax Expense Benefit Foundation Contribution DeferredIncomeTaxExpenseBenefitFoundationContribution	418000	USD
CY2016	cffn	Deferred Income Tax Expense Benefit Foundation Contribution DeferredIncomeTaxExpenseBenefitFoundationContribution	0	USD
CY2017	cffn	Deferred Income Tax Expense Benefit Foundation Contribution DeferredIncomeTaxExpenseBenefitFoundationContribution	0	USD
CY2015	cffn	Deferred Income Tax Expense Benefit Low Income Housing Partnerships DeferredIncomeTaxExpenseBenefitLowIncomeHousingPartnerships	-763000	USD
CY2016	cffn	Deferred Income Tax Expense Benefit Low Income Housing Partnerships DeferredIncomeTaxExpenseBenefitLowIncomeHousingPartnerships	-318000	USD
CY2017	cffn	Deferred Income Tax Expense Benefit Low Income Housing Partnerships DeferredIncomeTaxExpenseBenefitLowIncomeHousingPartnerships	285000	USD
CY2015	cffn	Deferred Income Tax Expense Benefit Salaries Deferred Compensationand Employee Benefits DeferredIncomeTaxExpenseBenefitSalariesDeferredCompensationandEmployeeBenefits	-12000	USD
CY2016	cffn	Deferred Income Tax Expense Benefit Salaries Deferred Compensationand Employee Benefits DeferredIncomeTaxExpenseBenefitSalariesDeferredCompensationandEmployeeBenefits	-143000	USD
CY2017	cffn	Deferred Income Tax Expense Benefit Salaries Deferred Compensationand Employee Benefits DeferredIncomeTaxExpenseBenefitSalariesDeferredCompensationandEmployeeBenefits	437000	USD
CY2016Q3	cffn	Deferred Tax Liabilities Federal Home Loan Bank Stock Dividends DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends	23238000	USD
CY2017Q3	cffn	Deferred Tax Liabilities Federal Home Loan Bank Stock Dividends DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends	23242000	USD
CY2016Q3	cffn	Deferred Tax Liabilities Unrealized Gains On Availablefor Sale Securities DeferredTaxLiabilitiesUnrealizedGainsOnAvailableforSaleSecurities	3595000	USD
CY2017Q3	cffn	Deferred Tax Liabilities Unrealized Gains On Availablefor Sale Securities DeferredTaxLiabilitiesUnrealizedGainsOnAvailableforSaleSecurities	2000000	USD
CY2015	cffn	Deposit And Loan Transaction Costs DepositAndLoanTransactionCosts	5417000	USD
CY2016	cffn	Deposit And Loan Transaction Costs DepositAndLoanTransactionCosts	5585000	USD
CY2017	cffn	Deposit And Loan Transaction Costs DepositAndLoanTransactionCosts	5284000	USD
CY2015	cffn	Effective Income Tax Rate Esop Related Expenses Net EffectiveIncomeTaxRateEsopRelatedExpensesNet	0.011
CY2016	cffn	Effective Income Tax Rate Esop Related Expenses Net EffectiveIncomeTaxRateEsopRelatedExpensesNet	0.009
CY2017	cffn	Effective Income Tax Rate Esop Related Expenses Net EffectiveIncomeTaxRateEsopRelatedExpensesNet	0.008
CY2015	cffn	Employee Stock Ownership Plan Esop Compensation Expense Including Dividends On Unallocated Shares In Excess Of Debt Service Payments EmployeeStockOwnershipPlanEsopCompensationExpenseIncludingDividendsOnUnallocatedSharesInExcessOfDebtServicePayments	3000000	USD
CY2016	cffn	Employee Stock Ownership Plan Esop Compensation Expense Including Dividends On Unallocated Shares In Excess Of Debt Service Payments EmployeeStockOwnershipPlanEsopCompensationExpenseIncludingDividendsOnUnallocatedSharesInExcessOfDebtServicePayments	3000000	USD
CY2017	cffn	Employee Stock Ownership Plan Esop Compensation Expense Including Dividends On Unallocated Shares In Excess Of Debt Service Payments EmployeeStockOwnershipPlanEsopCompensationExpenseIncludingDividendsOnUnallocatedSharesInExcessOfDebtServicePayments	3300000	USD
CY2016Q3	cffn	Escrow Balances Held On Loans Serviced For Others EscrowBalancesHeldOnLoansServicedForOthers	2400000	USD
CY2017Q3	cffn	Escrow Balances Held On Loans Serviced For Others EscrowBalancesHeldOnLoansServicedForOthers	2100000	USD
CY2015	cffn	Esop Related Expenses Net EsopRelatedExpensesNet	-1222000	USD
CY2016	cffn	Esop Related Expenses Net EsopRelatedExpensesNet	-1127000	USD
CY2017	cffn	Esop Related Expenses Net EsopRelatedExpensesNet	-1052000	USD
CY2017Q3	cffn	Fhlb Percentage Of Regulatory Assets FhlbPercentageOfRegulatoryAssets	0.24
CY2017Q3	cffn	Fhlb Borrowings Threshold Percentage Of Regulatory Assets FHLBBorrowingsThresholdPercentageOfRegulatoryAssets	0.40
CY2017Q3	cffn	Fhl Bborrowingsthresholdpercentageofregulatoryassetstemporaryincrease FHLBborrowingsthresholdpercentageofregulatoryassetstemporaryincrease	0.55
CY2016Q3	cffn	Financing Receivable Individually Evaluated For Impairment Recorded Investment FinancingReceivableIndividuallyEvaluatedForImpairmentRecordedInvestment	42048000	USD
CY2017Q3	cffn	Financing Receivable Individually Evaluated For Impairment Recorded Investment FinancingReceivableIndividuallyEvaluatedForImpairmentRecordedInvestment	42229000	USD
CY2016Q3	cffn	Interest Bearing Deposits Held At Federal Reserve Bank InterestBearingDepositsHeldAtFederalReserveBank	264400000	USD
CY2017Q3	cffn	Interest Bearing Deposits Held At Federal Reserve Bank InterestBearingDepositsHeldAtFederalReserveBank	337500000	USD
CY2016Q3	cffn	Investment In Affordable Housing Limited Partnerships InvestmentInAffordableHousingLimitedPartnerships	58000000	USD
CY2017Q3	cffn	Investment In Affordable Housing Limited Partnerships InvestmentInAffordableHousingLimitedPartnerships	66100000	USD
CY2017Q3	cffn	Liquidation Account LiquidationAccount	167200000	USD
CY2017Q3	cffn	Loan To Value Ratio For Securing Commercial Real Estate Loans Maximum LoanToValueRatioForSecuringCommercialRealEstateLoansMaximum	0.80
CY2016Q3	cffn	Loans And Leases Receivable Premiums Deferred Costs LoansAndLeasesReceivablePremiumsDeferredCosts	41975000	USD
CY2017Q3	cffn	Loans And Leases Receivable Premiums Deferred Costs LoansAndLeasesReceivablePremiumsDeferredCosts	45680000	USD
CY2016Q3	cffn	Loans And Leases Receivable Total Real Estate Gross LoansAndLeasesReceivableTotalRealEstateGross	6821913000	USD
CY2017Q3	cffn	Loans And Leases Receivable Total Real Estate Gross LoansAndLeasesReceivableTotalRealEstateGross	7056877000	USD
CY2015	cffn	Low Income Housing Partnerships LowIncomeHousingPartnerships	4572000	USD
CY2016	cffn	Low Income Housing Partnerships LowIncomeHousingPartnerships	3872000	USD
CY2017	cffn	Low Income Housing Partnerships LowIncomeHousingPartnerships	0	USD
CY2017	cffn	Net Income Tax Benefit Low Income Housing Partnerships NetIncomeTaxBenefitLowIncomeHousingPartnerships	2500000	USD
CY2016Q3	cffn	Pledged Financial Instruments Not Separately Reported Securitiesfor Public Unit Deposits PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesforPublicUnitDeposits	419282000	USD
CY2017Q3	cffn	Pledged Financial Instruments Not Separately Reported Securitiesfor Public Unit Deposits PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesforPublicUnitDeposits	499993000	USD
CY2015	cffn	Portion Of Compensation Expense Related To Esop Attributable To Changes In Company Stock Price PortionOfCompensationExpenseRelatedToEsopAttributableToChangesInCompanyStockPrice	384000	USD
CY2016	cffn	Portion Of Compensation Expense Related To Esop Attributable To Changes In Company Stock Price PortionOfCompensationExpenseRelatedToEsopAttributableToChangesInCompanyStockPrice	522000	USD
CY2017	cffn	Portion Of Compensation Expense Related To Esop Attributable To Changes In Company Stock Price PortionOfCompensationExpenseRelatedToEsopAttributableToChangesInCompanyStockPrice	784000	USD
CY2016Q3	cffn	Prepayment Penalty On Fhlb Advances PrepaymentPenaltyOnFhlbAdvances	2611000	USD
CY2017Q3	cffn	Prepayment Penalty On Fhlb Advances PrepaymentPenaltyOnFhlbAdvances	1192000	USD
CY2015	cffn	Regulatory And Professional Fees RegulatoryAndProfessionalFees	5347000	USD
CY2016	cffn	Regulatory And Professional Fees RegulatoryAndProfessionalFees	5645000	USD
CY2017	cffn	Regulatory And Professional Fees RegulatoryAndProfessionalFees	5821000	USD
CY2016Q3	cffn	Required Capital Conservation Buffer RequiredCapitalConservationBuffer	0.00625
CY2017Q3	cffn	Required Capital Conservation Buffer RequiredCapitalConservationBuffer	0.0125
CY2017Q3	cffn	Shares Held In Employee Stock Ownership Plan Allocated SharesHeldInEmployeeStockOwnershipPlanAllocated	165198	shares
CY2016Q3	cffn	Unadvanced Home Equity Lines Of Credit UnadvancedHomeEquityLinesOfCredit	262800000	USD
CY2017Q3	cffn	Unadvanced Home Equity Lines Of Credit UnadvancedHomeEquityLinesOfCredit	240000000	USD
CY2016Q3	cffn	Weighted Average Credit Score WeightedAverageCreditScore	764
CY2017Q3	cffn	Weighted Average Credit Score WeightedAverageCreditScore	765
CY2016Q3	cffn	Weighted Average Loan To Value Ratio WeightedAverageLoanToValueRatio	0.64
CY2017Q3	cffn	Weighted Average Loan To Value Ratio WeightedAverageLoanToValueRatio	0.64
CY2017	dei	Amendment Flag AmendmentFlag	false
CY2017	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
CY2017	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2017	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2017
CY2017	dei	Document Period End Date DocumentPeriodEndDate	2017-09-30
CY2017	dei	Document Type DocumentType	10-K
CY2017	dei	Entity Central Index Key EntityCentralIndexKey	0001490906
CY2017Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	138230735	shares
CY2017	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2017	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2017Q1	dei	Entity Public Float EntityPublicFloat	1990000000	USD
CY2017Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1167368000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2086000	USD
CY2017	dei	Entity Registrant Name EntityRegistrantName	Capitol Federal Financial Inc
CY2017	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2017	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2017	dei	Trading Symbol TradingSymbol	cffn
CY2016Q3	us-gaap	Accounts Payable And Other Accrued Liabilities AccountsPayableAndOtherAccruedLiabilities	49549000	USD
CY2017Q3	us-gaap	Accounts Payable And Other Accrued Liabilities AccountsPayableAndOtherAccruedLiabilities	52190000	USD
CY2015	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-5649000	USD
CY2016	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-5342000	USD
CY2017	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-4479000	USD
CY2016Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	310000	USD
CY2017Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	530000	USD
CY2016Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	62134000	USD
CY2017Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	66663000	USD
CY2016Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	5915000	USD
CY2017Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	2918000	USD
CY2016Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1156855000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1121000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	506000	USD
CY2016Q3	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	62643000	USD
CY2017Q3	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	63749000	USD
CY2016Q3	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	2375000000	USD
CY2017Q3	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	2175000000	USD
CY2015	us-gaap	Advertising Expense AdvertisingExpense	4547000	USD
CY2016	us-gaap	Advertising Expense AdvertisingExpense	4609000	USD
CY2017	us-gaap	Advertising Expense AdvertisingExpense	4673000	USD
CY2015	us-gaap	Affordable Housing Project Investment Write Down Amount AffordableHousingProjectInvestmentWriteDownAmount	0	USD
CY2016	us-gaap	Affordable Housing Project Investment Write Down Amount AffordableHousingProjectInvestmentWriteDownAmount	0	USD
CY2017	us-gaap	Affordable Housing Project Investment Write Down Amount AffordableHousingProjectInvestmentWriteDownAmount	0	USD
CY2015	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	5300000	USD
CY2016	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	6000000	USD
CY2017	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	6900000	USD
CY2017	us-gaap	Affordable Housing Tax Credits Commitment Year To Be Paid AffordableHousingTaxCreditsCommitmentYearToBePaid	2020
CY2017	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	4400000	USD
CY2015	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1248744	shares
CY2016	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	886417	shares
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	200800	shares
CY2016Q3	us-gaap	Assets Assets	9267247000	USD
CY2017Q3	us-gaap	Assets Assets	9192916000	USD
CY2016Q3	us-gaap	Assets Sold Under Agreements To Repurchase Interest Rate AssetsSoldUnderAgreementsToRepurchaseInterestRate	0.0294
CY2017Q3	us-gaap	Assets Sold Under Agreements To Repurchase Interest Rate AssetsSoldUnderAgreementsToRepurchaseInterestRate	0.0294
CY2016Q3	us-gaap	Available For Sale Securities AvailableForSaleSecurities	527301000	USD
CY2017Q3	us-gaap	Available For Sale Securities AvailableForSaleSecurities	415831000	USD
CY2016Q3	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	9884000	USD
CY2017Q3	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	5944000	USD
CY2016Q3	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	374000	USD
CY2017Q3	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	654000	USD
CY2016Q3	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	517791000	USD
CY2017Q3	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	410541000	USD
CY2016Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	371000	USD
CY2017Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	69000	USD
CY2016Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	3000	USD
CY2017Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	585000	USD
CY2016Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	24997000	USD
CY2017Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	234069000	USD
CY2016Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	2410000	USD
CY2017Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	27676000	USD
CY2015	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1150000	USD
CY2016	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3420000	USD
CY2017	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2233000	USD
CY2014Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	810840000	USD
CY2015Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	772632000	USD
CY2016Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	281764000	USD
CY2017Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	351659000	USD
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-38208000	USD
CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-490868000	USD
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	69895000	USD
CY2017Q3	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	731000	USD
CY2015	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.84
CY2015Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.335
CY2016Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.085
CY2016Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.335
CY2016Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.085
CY2016	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.84
CY2016Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.375
CY2017Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.085
CY2017Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.335
CY2017Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.085
CY2017	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.88
CY2016Q3	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
CY2016Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1400000000	shares
CY2017Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1400000000	shares
CY2016Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	137486172	shares
CY2017Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	138223835	shares
CY2016Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	137486172	shares
CY2017Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	138223835	shares
CY2016Q3	us-gaap	Common Stock Value CommonStockValue	1375000	USD
CY2017Q3	us-gaap	Common Stock Value CommonStockValue	1382000	USD
CY2015	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	10360000	USD
CY2016	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	10540000	USD
CY2017	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	11282000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	79481000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	81035000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	81140000	USD
CY2015	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	34474000	USD
CY2016	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	37975000	USD
CY2017	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	42861000	USD
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	30079000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	33298000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	38127000	USD
CY2015	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4395000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4677000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4734000	USD
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2869000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	286000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	712000	USD
CY2015	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	3201000	USD
CY2016	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	470000	USD
CY2017	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	922000	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	3201000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	470000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	922000	USD
CY2016Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	33343000	USD
CY2017Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	31780000	USD
CY2015	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	-321000	USD
CY2016	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	215000	USD
CY2017	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	-3000	USD
CY2015	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	332000	USD
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	184000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	210000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	9773000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	9117000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	1763000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	1478000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	7969000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	7322000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2528000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2621000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	3020000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	2583000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	1566000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	1724000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	896000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	711000	USD
CY2016Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.15
CY2016Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.15
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.16
CY2016Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	1804000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	1795000	USD
CY2016Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	25374000	USD
CY2017Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	24458000	USD
CY2016Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	419000	USD
CY2017Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	433000	USD
CY2016Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	6091000	USD
CY2017Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	6105000	USD
CY2016Q3	us-gaap	Deposits Domestic DepositsDomestic	5164018000	USD
CY2017Q3	us-gaap	Deposits Domestic DepositsDomestic	5309868000	USD
CY2015	us-gaap	Depreciation Nonproduction DepreciationNonproduction	6844000	USD
CY2016	us-gaap	Depreciation Nonproduction DepreciationNonproduction	7141000	USD
CY2017	us-gaap	Depreciation Nonproduction DepreciationNonproduction	7796000	USD
CY2017	us-gaap	Derivative Average Remaining Maturity1 DerivativeAverageRemainingMaturity1	P5Y10M12D
CY2017Q3	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	-598000	USD
CY2017	us-gaap	Derivative Instruments Gain Loss Reclassification From Accumulated Oci To Income Estimated Net Amount To Be Transferred DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred	1100000	USD
CY2017	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	134000	USD
CY2017Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	598000	USD
CY2017Q3	us-gaap	Derivative Liability Notional Amount DerivativeLiabilityNotionalAmount	200000000	USD
CY2015	us-gaap	Dividend Income Operating DividendIncomeOperating	12556000	USD
CY2016	us-gaap	Dividend Income Operating DividendIncomeOperating	12252000	USD
CY2017	us-gaap	Dividend Income Operating DividendIncomeOperating	12233000	USD
CY2015	us-gaap	Dividends Cash DividendsCash	114162000	USD
CY2016	us-gaap	Dividends Cash DividendsCash	111767000	USD
CY2017	us-gaap	Dividends Cash DividendsCash	117963000	USD
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.58
CY2015Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.16
CY2016Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.16
CY2016Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.15
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.16
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.63
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.16
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.16
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.15
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.63
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.58
CY2015Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.16
CY2016Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.16
CY2016Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.15
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.16
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.63
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.16
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.15
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.63
CY2015	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.325
CY2016	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.315
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.342
CY2015	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2016	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.005
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.013
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.007
CY2015	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.028
CY2016	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.027
CY2017	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.027
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.037
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.040
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.020
CY2015	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	2036000	USD
CY2016	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	2174000	USD
CY2017	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	2436000	USD
CY2016Q3	us-gaap	Employee Stock Ownership Plan Esop Deferred Shares Fair Value EmployeeStockOwnershipPlanESOPDeferredSharesFairValue	55784000	USD
CY2017Q3	us-gaap	Employee Stock Ownership Plan Esop Deferred Shares Fair Value EmployeeStockOwnershipPlanESOPDeferredSharesFairValue	55853000	USD
CY2015	us-gaap	Employee Stock Ownership Plan Esop Dividends Paid To Esop EmployeeStockOwnershipPlanESOPDividendsPaidToESOP	952000	USD
CY2016	us-gaap	Employee Stock Ownership Plan Esop Dividends Paid To Esop EmployeeStockOwnershipPlanESOPDividendsPaidToESOP	813000	USD
CY2017	us-gaap	Employee Stock Ownership Plan Esop Dividends Paid To Esop EmployeeStockOwnershipPlanESOPDividendsPaidToESOP	833000	USD
CY2016Q3	us-gaap	Employee Stock Ownership Plan Esop Number Of Allocated Shares EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares	4392371	shares
CY2017Q3	us-gaap	Employee Stock Ownership Plan Esop Number Of Allocated Shares EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares	4369840	shares
CY2016Q3	us-gaap	Employee Stock Ownership Plan Esop Number Of Suspense Shares EmployeeStockOwnershipPlanESOPNumberOfSuspenseShares	3964752	shares
CY2017Q3	us-gaap	Employee Stock Ownership Plan Esop Number Of Suspense Shares EmployeeStockOwnershipPlanESOPNumberOfSuspenseShares	3799554	shares
CY2016Q3	us-gaap	Employee Stock Ownership Plan Esop Shares In Esop EmployeeStockOwnershipPlanESOPSharesInESOP	8357123	shares
CY2017Q3	us-gaap	Employee Stock Ownership Plan Esop Shares In Esop EmployeeStockOwnershipPlanESOPSharesInESOP	8169394	shares
CY2015	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	0	USD
CY2016	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	56000	USD
CY2017	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	330000	USD
CY2015	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	5495000	USD
CY2016	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	5076000	USD
CY2017	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	3539000	USD
CY2016Q3	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	2372389000	USD
CY2017Q3	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	2173808000	USD
CY2016Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary By Interest Rate Type Fixed Rate FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRate	2372389000	USD
CY2017Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary By Interest Rate Type Fixed Rate FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRate	1980000000	USD
CY2017Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary By Interest Rate Type Floating Rate FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFloatingRate	200000000	USD
CY2017Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due After Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate	100000000	USD
CY2017Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Four To Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate	200000000	USD
CY2017Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate	500000000	USD
CY2017Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Three To Four Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate	550000000	USD
CY2017Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate	350000000	USD
CY2017Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	475000000	USD
CY2017Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	18400000	USD
CY2015	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	172
CY2015	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	19442000	USD
CY2016	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	20824000	USD
CY2017	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	15782000	USD
CY2015	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	61
CY2016	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	57
CY2017	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	66
CY2016Q3	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	109970000	USD
CY2017Q3	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	100954000	USD
CY2015	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	14897000	USD
CY2016	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	14835000	USD
CY2017	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	15053000	USD
CY2014Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	9227000	USD
CY2015Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	9443000	USD
CY2016Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	8540000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	8398000	USD
CY2016Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	8540000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	8398000	USD
CY2016Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	0	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	0	USD
CY2015	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	180000	USD
CY2016	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	477000	USD
CY2017	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	206000	USD
CY2015	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	735000	USD
CY2016	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	630000	USD
CY2017	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	348000	USD
CY2016Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	6924516000	USD
CY2017Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	7161240000	USD
CY2016Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	42000000	USD
CY2016	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	157
CY2017	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	144
CY2015	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	19651000	USD
CY2016	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	21211000	USD
CY2017	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	16289000	USD
CY2015	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	6671000	USD
CY2016	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	6052000	USD
CY2017	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	5847000	USD
CY2016Q3	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	6926797000	USD
CY2017Q3	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	7175264000	USD
CY2016Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	29143000	USD
CY2017Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	16645000	USD
CY2016Q3	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	39767000	USD
CY2017Q3	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	28205000	USD
CY2016Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	1100874000	USD
CY2015	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	54859000	USD
CY2016	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	54216000	USD
CY2017	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	53429000	USD
CY2015	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	1841000	USD
CY2016	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	1903000	USD
CY2017	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	1871000	USD
CY2016Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	56250000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	42229000	USD
CY2016Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	37954000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	42229000	USD
CY2017Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	827738000	USD
CY2016Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	23219000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	10579000	USD
CY2016Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	1226000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	5308000	USD
CY2016Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	682000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	3718000	USD
CY2016Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	544000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1590000	USD
CY2016Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	152701000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	264838000	USD
CY2016Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	67037000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	202554000	USD
CY2016Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1122867000	USD
CY2017Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	833009000	USD
CY2016Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	217000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	0	USD
CY2016Q3	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	58867000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	44351000	USD
CY2015	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	23865000	USD
CY2016	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	24221000	USD
CY2017	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	38315000	USD
CY2015	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	686000	USD
CY2016	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	778000	USD
CY2017	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	1315000	USD
CY2016Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	40546000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	44351000	USD
CY2015	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	30994000	USD
CY2016	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	29995000	USD
CY2017	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	15114000	USD
CY2015	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	1155000	USD
CY2016	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	1125000	USD
CY2017	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	556000	USD
CY2016Q3	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	18296000	USD
CY2016	us-gaap	Income Taxes Paid IncomeTaxesPaid	36483000	USD
CY2017	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	1106000	USD
CY2015	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	177248000	USD
CY2016	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	331498000	USD
CY2017	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	145850000	USD
CY2015	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-3878000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-1807000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	0	USD
CY2016Q3	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	18321000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	0	USD
CY2016	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2017	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	115768000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	121939000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	127920000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	37675000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	38445000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	43783000	USD
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	40519000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	42679000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	44772000	USD
CY2015	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-563000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1600000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-921000	USD
CY2015	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3257000	USD
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3308000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3452000	USD
CY2015	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	4316000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	4815000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	2468000	USD
CY2015	us-gaap	Income Taxes Paid IncomeTaxesPaid	35849000	USD
CY2017	us-gaap	Income Taxes Paid IncomeTaxesPaid	37875000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-6215000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-6840000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-10743000	USD
CY2015	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-1374000	USD
CY2016	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	1381000	USD
CY2017	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	590000	USD
CY2015	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	3713000	USD
CY2016	us-gaap	Increase Decrease In Advance Payments By Borrowers For Taxes And Insurance IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance	825000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	680000	USD
CY2015	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	297362000	USD
CY2015Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	74359000	USD
CY2016Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	75632000	USD
CY2016Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	75527000	USD
CY2016Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	75595000	USD
CY2016	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	65091000	USD
CY2015	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	189768000	USD
CY2015Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	47982000	USD
CY2016Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	48538000	USD
CY2016Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	47930000	USD
CY2016Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	47732000	USD
CY2016	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	192182000	USD
CY2016Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	47306000	USD
CY2016	us-gaap	Interest Expense InterestExpense	108931000	USD
CY2017	us-gaap	Interest Expense InterestExpense	117804000	USD
CY2015	us-gaap	Interest Expense Deposits InterestExpenseDeposits	33119000	USD
CY2016	us-gaap	Interest Expense Deposits InterestExpenseDeposits	37859000	USD
CY2017	us-gaap	Interest Expense Deposits InterestExpenseDeposits	42968000	USD
CY2015	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	67797000	USD
CY2016	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	301113000	USD
CY2016Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	75322000	USD
CY2017Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	77660000	USD
CY2017Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	79630000	USD
CY2017Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	80574000	USD
CY2017	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	313186000	USD
CY2015	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	7182000	USD
CY2016	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	5925000	USD
CY2017	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	4362000	USD
CY2015	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	235500000	USD
CY2016	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	243311000	USD
CY2017	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	253393000	USD
CY2016Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	267829000	USD
CY2017Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	340748000	USD
CY2017Q3	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	2910421000	USD
CY2015	us-gaap	Interest Expense InterestExpense	107594000	USD
CY2017	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	68871000	USD
CY2015	us-gaap	Interest Expense Securities Sold Under Agreements To Repurchase InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase	6678000	USD
CY2016	us-gaap	Interest Expense Securities Sold Under Agreements To Repurchase InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase	5981000	USD
CY2017	us-gaap	Interest Expense Securities Sold Under Agreements To Repurchase InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase	5965000	USD
CY2015	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	5477000	USD
CY2016	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	9831000	USD
CY2017	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	19389000	USD
CY2015	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	188997000	USD
CY2016	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	192932000	USD
CY2017	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	195382000	USD
CY2017Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	49054000	USD
CY2017Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	49364000	USD
CY2017Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	49658000	USD
CY2017	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	195382000	USD
CY2015	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	36647000	USD
CY2017Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	100000000	USD
CY2017Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	0	USD
CY2017Q3	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	7182751000	USD
CY2016	us-gaap	Loans And Leases Receivable Commitments Fixed Rates LoansAndLeasesReceivableCommitmentsFixedRates	68047000	USD
CY2016	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	29794000	USD
CY2017	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	23809000	USD
CY2015	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	751000	USD
CY2016	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	670000	USD
CY2017	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	515000	USD
CY2015	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	6431000	USD
CY2016	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	5255000	USD
CY2017	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	3847000	USD
CY2015	us-gaap	Interest Paid InterestPaid	103784000	USD
CY2016	us-gaap	Interest Paid InterestPaid	106182000	USD
CY2017	us-gaap	Interest Paid InterestPaid	117308000	USD
CY2015	us-gaap	Labor And Related Expense LaborAndRelatedExpense	43309000	USD
CY2016	us-gaap	Labor And Related Expense LaborAndRelatedExpense	42378000	USD
CY2017	us-gaap	Labor And Related Expense LaborAndRelatedExpense	43437000	USD
CY2016Q3	us-gaap	Liabilities Liabilities	7874283000	USD
CY2017Q3	us-gaap	Liabilities Liabilities	7824603000	USD
CY2016Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	9267247000	USD
CY2017Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	9192916000	USD
CY2016Q3	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2017Q3	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2017	us-gaap	Line Of Credit Facility Expiration Date1 LineOfCreditFacilityExpirationDate1	2018-11-16
CY2016Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	8540000	USD
CY2017Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	8398000	USD
CY2016Q3	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	6949522000	USD
CY2017	us-gaap	Loans And Leases Receivable Commitments Fixed Rates LoansAndLeasesReceivableCommitmentsFixedRates	33528000	USD
CY2016	us-gaap	Loans And Leases Receivable Commitments Variable Rates LoansAndLeasesReceivableCommitmentsVariableRates	12257000	USD
CY2017	us-gaap	Loans And Leases Receivable Commitments Variable Rates LoansAndLeasesReceivableCommitmentsVariableRates	9861000	USD
CY2016Q3	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	24933000	USD
CY2017Q3	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	24962000	USD
CY2016Q3	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	6966564000	USD
CY2017Q3	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	7203469000	USD
CY2016Q3	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	6958024000	USD
CY2017Q3	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	7195071000	USD
CY2017Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	0	USD
CY2017Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	100000000	USD
CY2017Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	0	USD
CY2017Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	USD
CY2017	us-gaap	Loss On Cash Flow Hedge Ineffectiveness LossOnCashFlowHedgeIneffectiveness	0	USD
CY2016Q3	us-gaap	Mortgage Loans In Process Of Foreclosure Amount MortgageLoansInProcessOfForeclosureAmount	5700000	USD
CY2017Q3	us-gaap	Mortgage Loans In Process Of Foreclosure Amount MortgageLoansInProcessOfForeclosureAmount	4300000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-106320000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	6272000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	1170000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	623000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	703000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-675318000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-161834000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-18497000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	99494000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	146284000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	86609000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	84956000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	85445000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	78093000	USD
CY2015Q4	us-gaap	Net Income Loss NetIncomeLoss	20718000	USD
CY2016Q1	us-gaap	Net Income Loss NetIncomeLoss	21527000	USD
CY2016Q2	us-gaap	Net Income Loss NetIncomeLoss	20551000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	20698000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	83494000	USD
CY2016Q4	us-gaap	Net Income Loss NetIncomeLoss	20578000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	21587000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	21370000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	20602000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	84137000	USD
CY2015	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	77977000	USD
CY2016	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	83428000	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	84093000	USD
CY2016Q3	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	217000000	USD
CY2017Q3	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	243700000	USD
CY2015	us-gaap	Noninterest Expense NoninterestExpense	94369000	USD
CY2016	us-gaap	Noninterest Expense NoninterestExpense	94305000	USD
CY2017	us-gaap	Noninterest Expense NoninterestExpense	89658000	USD
CY2015	us-gaap	Noninterest Income NoninterestIncome	21140000	USD
CY2016	us-gaap	Noninterest Income NoninterestIncome	23312000	USD
CY2017	us-gaap	Noninterest Income NoninterestIncome	22196000	USD
CY2015	us-gaap	Noninterest Income Other NoninterestIncomeOther	5093000	USD
CY2016	us-gaap	Noninterest Income Other NoninterestIncomeOther	5057000	USD
CY2017	us-gaap	Noninterest Income Other NoninterestIncomeOther	4910000	USD
CY2015	us-gaap	Occupancy Net OccupancyNet	9944000	USD
CY2016	us-gaap	Occupancy Net OccupancyNet	10576000	USD
CY2017	us-gaap	Occupancy Net OccupancyNet	10814000	USD
CY2017	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-3131000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	813000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	1057000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	1906000	USD
CY2015	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	1100000	USD
CY2016	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	1200000	USD
CY2017	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	1100000	USD
CY2016Q3	us-gaap	Other Assets OtherAssets	206093000	USD
CY2017Q3	us-gaap	Other Assets OtherAssets	216845000	USD
CY2015	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	0	USD
CY2016	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	0	USD
CY2017	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	-372000	USD
CY2015	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	0	USD
CY2016	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	0	USD
CY2017	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	226000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1388000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-2459000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-2625000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-843000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	1494000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	1595000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1388000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2459000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2997000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-2997000	USD
CY2015	us-gaap	Other Noninterest Expense OtherNoninterestExpense	3290000	USD
CY2016	us-gaap	Other Noninterest Expense OtherNoninterestExpense	3384000	USD
CY2017	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2827000	USD
CY2016Q3	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	3700000	USD
CY2017Q3	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	1400000	USD
CY2015	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	398307000	USD
CY2016	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	336056000	USD
CY2017	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	246882000	USD
CY2015	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	50034000	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2015	us-gaap	Payments Of Debt Restructuring Costs PaymentsOfDebtRestructuringCosts	3352000	USD
CY2016	us-gaap	Payments Of Debt Restructuring Costs PaymentsOfDebtRestructuringCosts	0	USD
CY2017	us-gaap	Payments Of Debt Restructuring Costs PaymentsOfDebtRestructuringCosts	0	USD
CY2015	us-gaap	Payments Of Dividends PaymentsOfDividends	114162000	USD
CY2016	us-gaap	Payments Of Dividends PaymentsOfDividends	111767000	USD
CY2017	us-gaap	Payments Of Dividends PaymentsOfDividends	117963000	USD
CY2015	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	149937000	USD
CY2016	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	99927000	USD
CY2017	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	37425000	USD
CY2015	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	190862000	USD
CY2016	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	329625000	USD
CY2017	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	365651000	USD
CY2015	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	54133000	USD
CY2016	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	144392000	USD
CY2017	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	USD
CY2015	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	50000000	USD
CY2016	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	0	USD
CY2017	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	0	USD
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	12022000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	14854000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	9128000	USD
CY2016Q3	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Other Debt Facilities PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForOtherDebtFacilities	15938000	USD
CY2017Q3	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Other Debt Facilities PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForOtherDebtFacilities	11769000	USD
CY2016	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	326814000	USD
CY2017	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	144643000	USD
CY2017	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	0	USD
CY2015	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	234794000	USD
CY2016Q3	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Repurchase Agreements PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForRepurchaseAgreements	217374000	USD
CY2017Q3	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Repurchase Agreements PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForRepurchaseAgreements	214298000	USD
CY2016Q3	us-gaap	Pledged Financial Instruments Not Separately Reported Securities Pledged PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged	652594000	USD
CY2017Q3	us-gaap	Pledged Financial Instruments Not Separately Reported Securities Pledged PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged	726060000	USD
CY2016Q3	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
CY2016Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000	shares
CY2017Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000	shares
CY2016Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2017Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2016Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2017Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2016Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2017Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2015	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	7575100000	USD
CY2016	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	8000100000	USD
CY2017	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	2700100000	USD
CY2015	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	0	USD
CY2016	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	783000	USD
CY2015	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	330054000	USD
CY2016	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	309328000	USD
CY2017	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	268689000	USD
CY2015	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	265929000	USD
CY2016	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	382450000	USD
CY2017	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	386900000	USD
CY2015	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	5987000	USD
CY2016	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	4973000	USD
CY2017	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	5138000	USD
CY2015	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	0	USD
CY2016	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	0	USD
CY2017	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	6816000	USD
CY2015	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	267000	USD
CY2016	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	4070000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	8843000	USD
CY2016Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	145355000	USD
CY2017Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	151481000	USD
CY2016Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	83221000	USD
CY2017Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	84818000	USD
CY2015	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	771000	USD
CY2015Q4	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	USD
CY2016Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	USD
CY2016Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	USD
CY2016Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-750000	USD
CY2016	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-750000	USD
CY2016Q4	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	USD
CY2017Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2015	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	24810	shares
CY2016	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	8900100000	USD
CY2017	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	2900100000	USD
CY2017Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	USD
CY2017Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	USD
CY2017Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	USD
CY2017	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	USD
CY2015	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	771000	USD
CY2016	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-750000	USD
CY2017	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	0	USD
CY2016Q3	us-gaap	Qualified Affordable Housing Project Investments Commitment QualifiedAffordableHousingProjectInvestmentsCommitment	27200000	USD
CY2017Q3	us-gaap	Qualified Affordable Housing Project Investments Commitment QualifiedAffordableHousingProjectInvestmentsCommitment	29400000	USD
CY2016Q3	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	2500000	USD
CY2017Q3	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	1400000	USD
CY2015	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	0	USD
CY2016	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	0	USD
CY2017	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-134000	USD
CY2015	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	7695100000	USD
CY2017	us-gaap	Repurchase Agreements Securities Lending Transactions And Repurchase To Maturity Transactions Accounted For As Secured Borrowings Description Of Potential Risks RepurchaseAgreementsSecuritiesLendingTransactionsAndRepurchaseToMaturityTransactionsAccountedForAsSecuredBorrowingsDescriptionOfPotentialRisks	See Note 3 for information regarding the amount of securities pledged as collateral in conjunction with repurchase agreements. Securities are delivered to the party with whom each transaction is executed and the party agrees to resell the same securities to the Bank at the maturity of the agreement. The Bank retains the right to substitute similar or like securities throughout the terms of the agreements. The repurchase agreements and collateral are subject to valuation at current market levels and the Bank may ask for the return of excess collateral or be required to post additional collateral due to changes in the market values of these items. The Bank may also be required to post additional collateral as a result of principal payments received on the securities pledged.
CY2016Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	268466000	USD
CY2017Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	234640000	USD
CY2017Q3	us-gaap	Secured Debt Repurchase Agreements SecuredDebtRepurchaseAgreements	200000000	USD
CY2016Q3	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	200000000	USD
CY2017Q3	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	200000000	USD
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	2086000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	1121000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	506000	USD
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	56600	shares
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	13.38
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1144798	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	13.38
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1236798	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	13.31
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P5Y1M2D
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y3M15D
CY2015	us-gaap	Stock Issued During Period Value Employee Stock Ownership Plan StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan	2036000	USD
CY2016	us-gaap	Stock Issued During Period Value Employee Stock Ownership Plan StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan	2174000	USD
CY2017	us-gaap	Stock Issued During Period Value Employee Stock Ownership Plan StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan	2436000	USD
CY2015	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	85000	USD
CY2016	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	49000	USD
CY2017	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	57000	USD
CY2015	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	267000	USD
CY2016	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	131161	shares
CY2017Q3	us-gaap	Unearned Esop Shares UnearnedESOPShares	37995000	USD
CY2016Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2016	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	4126000	USD
CY2017	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	9173000	USD
CY2015	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	46449000	USD
CY2014Q3	us-gaap	Stockholders Equity StockholdersEquity	1492882000	USD
CY2015Q3	us-gaap	Stockholders Equity StockholdersEquity	1416226000	USD
CY2016Q3	us-gaap	Stockholders Equity StockholdersEquity	1392964000	USD
CY2017Q3	us-gaap	Stockholders Equity StockholdersEquity	1368313000	USD
CY2015	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	2088000	USD
CY2016	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	2640000	USD
CY2017	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	1981000	USD
CY2017Q3	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	1390000	USD
CY2017Q3	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	177308000	USD
CY2017Q3	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	274805000	USD
CY2017Q3	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	1116415000	USD
CY2017Q3	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	591966000	USD
CY2017Q3	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	748537000	USD
CY2016Q3	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	576400000	USD
CY2017Q3	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	676100000	USD
CY2015	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	116000	USD
CY2016	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	66000	USD
CY2017	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	44000	USD
CY2016Q3	us-gaap	Unearned Esop Shares UnearnedESOPShares	39647000	USD
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	161442	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	135408503	shares
CY2015Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	132911000	shares
CY2016Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	133031000	shares
CY2016Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	133251000	shares
CY2016Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	133493000	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	133176376	shares
CY2016Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	133950000	shares
CY2017Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	134259000	shares
CY2017Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	134360000	shares
CY2017Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	134404000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	134243862	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	135383693	shares
CY2015Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	132822000	shares
CY2016Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	132960000	shares
CY2016Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	133102000	shares
CY2016Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	133296000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	133045215	shares
CY2016Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	133697000	shares
CY2017Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	134066000	shares
CY2017Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	134254000	shares
CY2017Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	134314000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	134082420	shares
CY2017	us-gaap	Nature Of Operations NatureOfOperations	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Capitol Federal Financial, Inc. (the "Company") provides a full range of retail banking services through its wholly-owned subsidiary, Capitol Federal Savings Bank (the "Bank"), a federal savings bank, which has </font><font style="font-family:inherit;font-size:10pt;">37</font><font style="font-family:inherit;font-size:10pt;"> traditional and </font><font style="font-family:inherit;font-size:10pt;">10</font><font style="font-family:inherit;font-size:10pt;"> in-store banking offices serving primarily the metropolitan areas of Topeka, Wichita, Lawrence, Manhattan, Emporia and Salina, Kansas and portions of the metropolitan area of greater Kansas City. The Bank emphasizes mortgage lending, primarily originating and purchasing one- to four-family loans, and providing personal retail financial services. The Bank is subject to competition from other financial institutions and other companies that provide financial services. </font></div></div>

Files In Submission

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0001490906-17-000061-index-headers.html	Edgar Link	pending
0001490906-17-000061-index.html	Edgar Link	pending
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$CFFN
Capitol Federal Financial, Inc. Stock $cffn

2017 Form 10-K Financial Statement

#000149090617000061 Filed on November 29, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

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$CFFN Capitol Federal Financial, Inc. Stock $cffn

2017 Form 10-K Financial Statement

#000149090617000061 Filed on November 29, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CFFN
Capitol Federal Financial, Inc. Stock $cffn