$PFC
PREMIER FINANCIAL CORP Stock $pfc

$pfc Overview Financials Valuation SEC Filings Company Website

2018 Q2 Form 10-Q Financial Statement

#000114420418042301 Filed on August 07, 2018

Income Statement

Concept	2018 Q2	2017 Q2
Revenue	$30.30M	$27.46M
YoY Change	10.35%	27.83%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$1.500M	$1.600M
YoY Change	-6.25%	0.0%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$3.752M	$2.826M
YoY Change	32.77%	35.6%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$13.67M	$12.02M
YoY Change	13.71%	13.75%
Income Tax	$2.564M	$3.677M
% Of Pretax Income	18.75%	30.58%
Net Earnings	$11.11M	$8.347M
YoY Change	33.09%	14.91%
Net Earnings / Revenue	36.66%	30.4%
Basic Earnings Per Share	$0.54	$0.41
Diluted Earnings Per Share	$0.54	$0.41
COMMON SHARES
Basic Shares Outstanding	20.39K	20.29M
Diluted Shares Outstanding	20.49K shares	20.41K shares

Balance Sheet

Concept	2018 Q2	2017 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$393.8M	$370.2M
YoY Change	6.37%	3.21%
Cash & Equivalents	$106.9M	$111.9M
Short-Term Investments	$287.0M	$258.3M
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$40.44M	$42.60M
YoY Change	-5.06%	13.3%
Goodwill	$98.57M
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$1.100M	$300.0K
YoY Change	266.67%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$3.040B	$2.891B
YoY Change	5.16%	19.96%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$6.900M	$24.10M
YoY Change	-71.37%	-54.53%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$6.900M	$24.10M
YoY Change	-71.37%	-54.53%
LONG-TERM LIABILITIES
Long-Term Debt	$36.10M	$42.60M
YoY Change	-15.26%	18.01%
Other Long-Term Liabilities	$34.80M	$30.90M
YoY Change	12.62%	12.36%
Total Long-Term Liabilities	$70.90M	$73.50M
YoY Change	-3.54%	15.57%
TOTAL LIABILITIES
Total Short-Term Liabilities	$6.900M	$24.10M
Total Long-Term Liabilities	$70.90M	$73.50M
Total Liabilities	$2.653B	$2.529B
YoY Change	4.89%	19.13%
SHAREHOLDERS EQUITY
Retained Earnings	$279.1M	$249.2M
YoY Change	12.01%
Common Stock	$127.0K	$127.0K
YoY Change	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$49.94M	$51.04M
YoY Change	-2.16%
Treasury Stock Shares	5.003M shares	2.564M shares
Shareholders Equity	$386.9M	$361.4M
YoY Change
Total Liabilities & Shareholders Equity	$3.040B	$2.891B
YoY Change	5.16%	19.96%

Cashflow Statement

Concept	2018 Q2	2017 Q2
OPERATING ACTIVITIES
Net Income	$11.11M	$8.347M
YoY Change	33.09%	14.91%
Depreciation, Depletion And Amortization	$1.500M	$1.600M
YoY Change	-6.25%	0.0%
Cash From Operating Activities	$4.000M	$6.400M
YoY Change	-37.5%	1500.0%
INVESTING ACTIVITIES
Capital Expenditures	-$1.400M	-$700.0K
YoY Change	100.0%	75.0%
Acquisitions
YoY Change
Other Investing Activities	-$43.60M	-$20.10M
YoY Change	116.92%	-43.06%
Cash From Investing Activities	-$45.00M	-$20.80M
YoY Change	116.35%	-41.9%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	9.300M	-43.70M
YoY Change	-121.28%	-203.31%
NET CHANGE
Cash From Operating Activities	4.000M	6.400M
Cash From Investing Activities	-45.00M	-20.80M
Cash From Financing Activities	9.300M	-43.70M
Net Change In Cash	-31.70M	-58.10M
YoY Change	-45.44%	-942.03%
FREE CASH FLOW
Cash From Operating Activities	$4.000M	$6.400M
Capital Expenditures	-$1.400M	-$700.0K
Free Cash Flow	$5.400M	$7.100M
YoY Change	-23.94%	787.5%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family: "times new roman", times, serif; font-size: 10pt; margin-right: 0px; margin-left: 0.38in; text-indent: -0.38in;"><div style="font-family: "times new roman", times, serif; font-size: 10pt; background: none; color: rgb(0, 0, 0); letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Use of Estimates</div></div></div><div style="font-family: "times new roman", times, serif; font-size: 10pt; margin-bottom: 0px; margin-top: 0px; text-align: justify; text-indent: 0.5in; margin-right: 0px; background: none;"><div style="white-space: pre-line; font-family: "times new roman", times, serif; font-size: 10pt; background: none; color: rgb(0, 0, 0); text-decoration: none; letter-spacing: 0px; top: 0px;;display:inline;"> </div></div><div style="font-family: "times new roman", times, serif; font-size: 10pt; margin-bottom: 0px; margin-top: 0px; text-align: justify; text-indent: 0.5in; margin-right: 0px;"><div style="font-family: "times new roman", times, serif; font-size: 10pt; background: none; color: rgb(0, 0, 0); letter-spacing: 0px; top: 0px;;display:inline;">The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. These estimates and assumptions affect the amounts reported in the financial statements and the disclosures provided, and actual results could differ.</div></div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table>
CY2017Q1	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	12340000	USD
CY2018Q2	fdef	Commitments And Loans At Fixed Rates CommitmentsAndLoansAtFixedRates	55492000	USD
CY2017Q4	fdef	Commitments And Loans At Fixed Rates CommitmentsAndLoansAtFixedRates	42458000	USD
CY2018Q2	us-gaap	Interest Rate Derivative Instruments Not Designated As Hedging Instruments At Fair Value Net InterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet	17700000	USD
CY2017Q4	us-gaap	Interest Rate Derivative Instruments Not Designated As Hedging Instruments At Fair Value Net InterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet	14800000	USD
CY2018Q2	us-gaap	Noninterest Bearing Domestic Deposit Checking NoninterestBearingDomesticDepositChecking	548147000	USD
CY2017Q4	us-gaap	Noninterest Bearing Domestic Deposit Checking NoninterestBearingDomesticDepositChecking	571360000	USD
CY2017Q4	fdef	Residential Mortgage Loans Unpaid Balance ResidentialMortgageLoansUnpaidBalance	1390000000	USD
CY2018Q2	fdef	Residential Mortgage Loans Unpaid Balance ResidentialMortgageLoansUnpaidBalance	1390000000	USD
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	2464000	USD
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	2377000	USD
CY2018Q2	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	1383000	USD
CY2017Q2	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	1293000	USD
CY2018Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Acquired During Period Cash Flows Expected To Be Collected At Acquisition CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodCashFlowsExpectedToBeCollectedAtAcquisition	5721000	USD
CY2017Q4	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield	804000	USD
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CY2018Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-93000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-93000	USD
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	86900	shares
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	11109000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	8347000	USD
	us-gaap	Net Income Loss NetIncomeLoss	22846000	USD
	us-gaap	Net Income Loss NetIncomeLoss	13488000	USD
CY2018Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2018Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2018Q2	fdef	Security Owned And Pledged As Collateral Carrying Value SecurityOwnedAndPledgedAsCollateralCarryingValue	139500000	USD
CY2018Q2	fdef	Non Performing Loans Non Accrual Status NonPerformingLoansNonAccrualStatus	18340000	USD
CY2017Q4	fdef	Non Performing Loans Non Accrual Status NonPerformingLoansNonAccrualStatus	30715000	USD
CY2018Q2	fdef	Investment Portfolio On Number Of Securities InvestmentPortfolioOnNumberOfSecurities	436	pure
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	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Additions CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAdditions	0	USD
	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Additions CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAdditions	1018000	USD
CY2018Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Acquired During Period At Acquisition At Fair Value CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue	4703000	USD
	fdef	Mortgage Servicing Assets MortgageServicingAssets	10240000	USD
	fdef	Mortgage Servicing Assets MortgageServicingAssets	10117000	USD
CY2018Q2	fdef	Mortgage Servicing Assets MortgageServicingAssets	10245000	USD
CY2017Q2	fdef	Mortgage Servicing Assets MortgageServicingAssets	10161000	USD
CY2017Q2	fdef	Accrual For Estimated Secondary Market Buy Back Losses AccrualForEstimatedSecondaryMarketBuyBackLosses	28000	USD
CY2018Q2	fdef	Accrual For Estimated Secondary Market Buy Back Losses AccrualForEstimatedSecondaryMarketBuyBackLosses	0	USD
	fdef	Accrual For Estimated Secondary Market Buy Back Losses AccrualForEstimatedSecondaryMarketBuyBackLosses	0	USD
	fdef	Accrual For Estimated Secondary Market Buy Back Losses AccrualForEstimatedSecondaryMarketBuyBackLosses	31000	USD
CY2018Q2	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	1021445000	USD
CY2017Q4	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	1005519000	USD
CY2018Q2	us-gaap	Derivative Asset Notional Amount DerivativeAssetNotionalAmount	29200000	USD
CY2017Q4	us-gaap	Derivative Asset Notional Amount DerivativeAssetNotionalAmount	23200000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-872000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-4429000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	2579000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	4158000	USD
CY2018Q2	fdef	Line Of Credit Facility Capacity Available At Fixed Rate LineOfCreditFacilityCapacityAvailableAtFixedRate	17509000	USD
CY2017Q4	fdef	Line Of Credit Facility Capacity Available At Fixed Rate LineOfCreditFacilityCapacityAvailableAtFixedRate	6245000	USD
CY2018Q2	us-gaap	Federal Home Loan Bank Advances Fixed Rate FederalHomeLoanBankAdvancesFixedRate	59000000	USD
CY2017Q4	us-gaap	Federal Home Loan Bank Advances Fixed Rate FederalHomeLoanBankAdvancesFixedRate	72000000	USD
CY2017Q1	us-gaap	Business Combination Consideration Transferred Equity Interests Issued And Issuable BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable	56532000	USD
CY2018Q2	fdef	Derivative Assets Carrying Value DerivativeAssetsCarryingValue	803000	USD
CY2017Q4	fdef	Derivative Assets Carrying Value DerivativeAssetsCarryingValue	609000	USD
CY2018Q2	us-gaap	Gain Loss On Price Risk Derivative Instruments Not Designated As Hedging Instruments GainLossOnPriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstruments	136000	USD
CY2017Q2	us-gaap	Gain Loss On Price Risk Derivative Instruments Not Designated As Hedging Instruments GainLossOnPriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstruments	218000	USD
	us-gaap	Gain Loss On Price Risk Derivative Instruments Not Designated As Hedging Instruments GainLossOnPriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstruments	178000	USD
	us-gaap	Gain Loss On Price Risk Derivative Instruments Not Designated As Hedging Instruments GainLossOnPriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstruments	283000	USD
CY2018Q2	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	254000	USD
CY2017Q2	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	211000	USD
	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	508000	USD
	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	422000	USD
CY2018Q2	us-gaap	Interest And Fee Income Loans Commercial InterestAndFeeIncomeLoansCommercial	27660000	USD
CY2017Q2	us-gaap	Interest And Fee Income Loans Commercial InterestAndFeeIncomeLoansCommercial	25318000	USD
	us-gaap	Interest And Fee Income Loans Commercial InterestAndFeeIncomeLoansCommercial	54186000	USD
	us-gaap	Interest And Fee Income Loans Commercial InterestAndFeeIncomeLoansCommercial	47288000	USD
CY2018Q2	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	USD
CY2017Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	USD
CY2018Q2	us-gaap	Cash And Due From Banks CashAndDueFromBanks	53885000	USD
CY2017Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	58693000	USD
	fdef	Amortization Expense In Provision For Income Taxes AmortizationExpenseInProvisionForIncomeTaxes	469000	USD
	fdef	Amortization Expense In Provision For Income Taxes AmortizationExpenseInProvisionForIncomeTaxes	330000	USD
CY2018Q2	fdef	Amortization Expense In Provision For Income Taxes AmortizationExpenseInProvisionForIncomeTaxes	234000	USD
CY2017Q2	fdef	Amortization Expense In Provision For Income Taxes AmortizationExpenseInProvisionForIncomeTaxes	165000	USD
CY2018Q2	fdef	Derivative Liabilities Carrying Value DerivativeLiabilitiesCarryingValue	27000	USD
CY2017Q4	fdef	Derivative Liabilities Carrying Value DerivativeLiabilitiesCarryingValue	11000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	601000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	504000	USD
CY2017Q1	us-gaap	Business Combination Consideration Transferred1 BusinessCombinationConsiderationTransferred1	68872000	USD
CY2018Q2	fdef	Putable Advances PutableAdvances	0	USD
CY2017Q4	fdef	Putable Advances PutableAdvances	5000000	USD
CY2018Q2	fdef	Letters Of Credit Outstanding At Fixed Rate LettersOfCreditOutstandingAtFixedRate	0	USD
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	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	267000	USD
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	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	USD
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CY2017Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	43000	USD
CY2018Q2	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	43000	USD
CY2018Q2	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	933000	USD
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	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	1877000	USD
	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	1858000	USD
CY2018Q2	fdef	Mortgage Loans Sold Serviced Retained MortgageLoansSoldServicedRetained	402000	USD
CY2017Q2	fdef	Mortgage Loans Sold Serviced Retained MortgageLoansSoldServicedRetained	396000	USD
	fdef	Mortgage Loans Sold Serviced Retained MortgageLoansSoldServicedRetained	726000	USD
	fdef	Mortgage Loans Sold Serviced Retained MortgageLoansSoldServicedRetained	752000	USD
	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAccretion	56000	USD
	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAccretion	76000	USD
	fdef	Income Allocated To Participating Securities IncomeAllocatedToParticipatingSecurities	2000	USD
	fdef	Income Allocated To Participating Securities IncomeAllocatedToParticipatingSecurities	2000	USD
CY2018Q2	fdef	Income Allocated To Participating Securities IncomeAllocatedToParticipatingSecurities	1000	USD
CY2017Q2	fdef	Income Allocated To Participating Securities IncomeAllocatedToParticipatingSecurities	1000	USD
CY2017Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	4536	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	4536	shares
CY2018Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	47500	shares
CY2018Q2	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	55000	USD
CY2017Q2	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	65000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	111000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	198000	USD
CY2018Q2	fdef	Investment Portfolio Number Of Securities Unrealized Loss InvestmentPortfolioNumberOfSecuritiesUnrealizedLoss	181	pure
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	1408000	USD
CY2018Q2	fdef	Non Performing Loans Total NonPerformingLoansTotal	18340000	USD
CY2017Q4	fdef	Non Performing Loans Total NonPerformingLoansTotal	30715000	USD
	dei	Document Type DocumentType	10-Q
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	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-672000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	2172000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	28000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	54000	USD
CY2018Q2	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	6000	USD
CY2017Q2	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	10000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
CY2018Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	11108000	USD
CY2017Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	8346000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	22844000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	13486000	USD
	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference	0	USD
	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference	0	USD
	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	669000	USD
	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	715000	USD
CY2018Q2	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	350000	USD
CY2017Q2	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	403000	USD
CY2018Q2	us-gaap	Time Deposits Less Than100000 TimeDepositsLessThan100000	547871000	USD
CY2017Q4	us-gaap	Time Deposits Less Than100000 TimeDepositsLessThan100000	504912000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-872000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-4429000	USD
CY2018Q2	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	73795000	USD
CY2017Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	53843000	USD
CY2018Q2	fdef	Mortgage Servicing Rights Valuation Adjustments MortgageServicingRightsValuationAdjustments	47000	USD
CY2017Q2	fdef	Mortgage Servicing Rights Valuation Adjustments MortgageServicingRightsValuationAdjustments	16000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	2312000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	3891000	USD
CY2018Q2	fdef	Total Fixed Rate Of Interest TotalFixedRateOfInterest	73001000	USD
CY2017Q4	fdef	Total Fixed Rate Of Interest TotalFixedRateOfInterest	48703000	USD
CY2018Q2	fdef	Amortizable Mortgage Advances AmortizableMortgageAdvances	6748000	USD
CY2017Q4	fdef	Amortizable Mortgage Advances AmortizableMortgageAdvances	7306000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax	-3499000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax	2703000	USD
CY2018Q2	fdef	Derivative Assets Liabilities At Carrying Value Net DerivativeAssetsLiabilitiesAtCarryingValueNet	776000	USD
CY2017Q4	fdef	Derivative Assets Liabilities At Carrying Value Net DerivativeAssetsLiabilitiesAtCarryingValueNet	598000	USD
CY2018Q2	fdef	Commitments And Loans Available To Sell CommitmentsAndLoansAvailableToSell	17800000	USD
CY2017Q4	fdef	Commitments And Loans Available To Sell CommitmentsAndLoansAvailableToSell	14900000	USD
CY2018Q2	us-gaap	Federal Funds Sold FederalFundsSold	53000000	USD
CY2017Q4	us-gaap	Federal Funds Sold FederalFundsSold	55000000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	2238000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	1921000	USD
CY2018Q2	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	1189000	USD
CY2017Q2	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	943000	USD
	dei	Amendment Flag AmendmentFlag	false
CY2018Q2	us-gaap	Real Estate Assets Held For Development And Sale RealEstateAssetsHeldForDevelopmentAndSale	1795000	USD
CY2017Q4	us-gaap	Real Estate Assets Held For Development And Sale RealEstateAssetsHeldForDevelopmentAndSale	1532000	USD
CY2018Q2	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	850000	USD
CY2017Q2	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	809000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1652000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1586000	USD
CY2018Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	106885000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	113693000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	607000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	649000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	173000	USD
CY2017Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Cash And Equivalents BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents	35411000	USD
CY2018Q2	fdef	Commitments And Loans At Variable Rates CommitmentsAndLoansAtVariableRates	181457000	USD
CY2017Q4	fdef	Commitments And Loans At Variable Rates CommitmentsAndLoansAtVariableRates	161778000	USD
	fdef	Mortgage Servicing Rights Valuation Adjustments MortgageServicingRightsValuationAdjustments	83000	USD
	fdef	Mortgage Servicing Rights Valuation Adjustments MortgageServicingRightsValuationAdjustments	48000	USD
CY2018Q2	fdef	Mortgage Servicing Assets Before Valuation Allowance MortgageServicingAssetsBeforeValuationAllowance	10297000	USD
CY2017Q2	fdef	Mortgage Servicing Assets Before Valuation Allowance MortgageServicingAssetsBeforeValuationAllowance	10154000	USD
	fdef	Mortgage Servicing Assets Before Valuation Allowance MortgageServicingAssetsBeforeValuationAllowance	10297000	USD
	fdef	Mortgage Servicing Assets Before Valuation Allowance MortgageServicingAssetsBeforeValuationAllowance	10154000	USD
	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Reclassifications To Nonaccretable Difference CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToNonaccretableDifference	10000	USD
	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield Reclassifications To Nonaccretable Difference CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToNonaccretableDifference	8000	USD
	fdef	Weighted Average Number Of Shares Outstanding Basic Including Participating Securities WeightedAverageNumberOfSharesOutstandingBasicIncludingParticipatingSecurities	20370	shares
	fdef	Weighted Average Number Of Shares Outstanding Basic Including Participating Securities WeightedAverageNumberOfSharesOutstandingBasicIncludingParticipatingSecurities	19596	shares
CY2018Q2	fdef	Weighted Average Number Of Shares Outstanding Basic Including Participating Securities WeightedAverageNumberOfSharesOutstandingBasicIncludingParticipatingSecurities	20399	shares
CY2017Q2	fdef	Weighted Average Number Of Shares Outstanding Basic Including Participating Securities WeightedAverageNumberOfSharesOutstandingBasicIncludingParticipatingSecurities	20304	shares
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	39400	shares
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	781000	USD
CY2017Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	101000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	1034000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	301000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	-930000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	1361000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	-183000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	808000	USD
	us-gaap	Depreciation Depreciation	1719000	USD
	us-gaap	Depreciation Depreciation	1770000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	41239000	USD
CY2018Q2	fdef	Non Performing Assets Total NonPerformingAssetsTotal	20135000	USD
CY2017Q4	fdef	Non Performing Assets Total NonPerformingAssetsTotal	32247000	USD
	dei	Document Period End Date DocumentPeriodEndDate	2018-06-30
CY2018Q2	fdef	Overnight Advances OvernightAdvances	20000000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	50983000	USD
	fdef	Amortization Of Mortgage Servicing Rights Msrs Net Of Impairment Recoveries AmortizationOfMortgageServicingRightsMsrsNetOfImpairmentRecoveries	586000	USD
	fdef	Amortization Of Mortgage Servicing Rights Msrs Net Of Impairment Recoveries AmortizationOfMortgageServicingRightsMsrsNetOfImpairmentRecoveries	667000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-689000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1504000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-3499000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2530000	USD
CY2017Q4	us-gaap	Marketable Securities MarketableSecurities	261298000	USD
CY2018Q2	us-gaap	Marketable Securities MarketableSecurities	286957000	USD
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	39400	shares
CY2018Q2	fdef	Weighted Average Number Of Shares Outstanding Basic Participating Securities WeightedAverageNumberOfSharesOutstandingBasicParticipatingSecurities	11	shares
CY2017Q2	fdef	Weighted Average Number Of Shares Outstanding Basic Participating Securities WeightedAverageNumberOfSharesOutstandingBasicParticipatingSecurities	10	shares
	fdef	Weighted Average Number Of Shares Outstanding Basic Participating Securities WeightedAverageNumberOfSharesOutstandingBasicParticipatingSecurities	11	shares
	fdef	Weighted Average Number Of Shares Outstanding Basic Participating Securities WeightedAverageNumberOfSharesOutstandingBasicParticipatingSecurities	10	shares
CY2018Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield	738000	USD
CY2017Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield	934000	USD
	fdef	Mortgage Loans Servicing Revenue Expense MortgageLoansServicingRevenueExpense	1291000	USD
	fdef	Mortgage Loans Servicing Revenue Expense MortgageLoansServicingRevenueExpense	1191000	USD
CY2018Q2	fdef	Mortgage Loans Servicing Revenue Expense MortgageLoansServicingRevenueExpense	630000	USD
CY2017Q2	fdef	Mortgage Loans Servicing Revenue Expense MortgageLoansServicingRevenueExpense	537000	USD
CY2018Q2	us-gaap	Deposits Deposits	2489128000	USD
CY2017Q4	us-gaap	Deposits Deposits	2437656000	USD
CY2018Q2	fdef	Line Of Credit Facility Capacity Available At Variable Rate LineOfCreditFacilityCapacityAvailableAtVariableRate	369860000	USD
CY2017Q4	fdef	Line Of Credit Facility Capacity Available At Variable Rate LineOfCreditFacilityCapacityAvailableAtVariableRate	408831000	USD
CY2018Q2	us-gaap	Federal Home Loan Bank Advances Valuation Adjustments Under Fair Value Option FederalHomeLoanBankAdvancesValuationAdjustmentsUnderFairValueOption	26000	USD
CY2017Q4	us-gaap	Federal Home Loan Bank Advances Valuation Adjustments Under Fair Value Option FederalHomeLoanBankAdvancesValuationAdjustmentsUnderFairValueOption	27000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-902000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-1455000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	183000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	930000	USD
CY2017Q1	fdef	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Fedral Funds Sold BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFedralFundsSold	2769000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-3499000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2530000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2018Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	27321000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	26683000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	670000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	346000	USD
CY2018Q2	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	373000	USD
CY2017Q2	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	201000	USD
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
CY2018Q2	fdef	Troubled Debt Restructuring Still Accruing TroubledDebtRestructuringStillAccruing	15834000	USD
CY2017Q4	fdef	Troubled Debt Restructuring Still Accruing TroubledDebtRestructuringStillAccruing	13770000	USD
CY2018Q2	us-gaap	Dividend Income Operating DividendIncomeOperating	227000	USD
CY2017Q2	us-gaap	Dividend Income Operating DividendIncomeOperating	187000	USD
	us-gaap	Dividend Income Operating DividendIncomeOperating	458000	USD
	us-gaap	Dividend Income Operating DividendIncomeOperating	353000	USD
CY2018Q2	us-gaap	Available For Sale Securities AvailableForSaleSecurities	286350000	USD
CY2017Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	260650000	USD
	fdef	Other Comprehensive Income Loss Availableforsale Securities Adjustment Before Reclassification Adjustments Upon Adoption OtherComprehensiveIncomeLossAvailableforsaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsUponAdoption	-129000	USD
CY2017Q1	fdef	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Securities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedSecurities	4338000	USD
CY2018Q2	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	85722000	USD
CY2017Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	84279000	USD
CY2018Q2	fdef	Letters Of Credit Outstanding At Floating Rate LettersOfCreditOutstandingAtFloatingRate	7460000	USD
CY2017Q4	fdef	Letters Of Credit Outstanding At Floating Rate LettersOfCreditOutstandingAtFloatingRate	7605000	USD
CY2018Q2	fdef	Net Revenue From Sale And Servicing Of Mortgage Loans NetRevenueFromSaleAndServicingOfMortgageLoans	2013000	USD
CY2017Q2	fdef	Net Revenue From Sale And Servicing Of Mortgage Loans NetRevenueFromSaleAndServicingOfMortgageLoans	1830000	USD
	fdef	Net Revenue From Sale And Servicing Of Mortgage Loans NetRevenueFromSaleAndServicingOfMortgageLoans	3755000	USD
	fdef	Net Revenue From Sale And Servicing Of Mortgage Loans NetRevenueFromSaleAndServicingOfMortgageLoans	3568000	USD
CY2018Q2	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Acquired During Period Contractually Required Payments Receivable At Acquisition CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisition	7233000	USD
CY2017Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	432000	USD
CY2016Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	522000	USD
CY2018Q1	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	396000	USD
CY2017Q1	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	490000	USD
CY2018Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	20388	shares
CY2017Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	20294	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	20359	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	19586	shares
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	23900	shares
CY2018Q2	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	15989000	USD
CY2017Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	15992000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	679000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	567000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	173846000	USD
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
CY2018Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	289854000	USD
	fdef	Netamortizationofpremiumsanddiscountsonloansanddeposits Netamortizationofpremiumsanddiscountsonloansanddeposits	192000	USD
	fdef	Netamortizationofpremiumsanddiscountsonloansanddeposits Netamortizationofpremiumsanddiscountsonloansanddeposits	190000	USD
CY2017Q4	fdef	Loans And Loans Receivable Heldforsale LoansAndLoansReceivableHeldforsale	2332465000	USD
CY2018Q2	fdef	Loans And Loans Receivable Heldforsale LoansAndLoansReceivableHeldforsale	2373445000	USD
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	10.81
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.12
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.69
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.54
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.41
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	19347000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	16018000	USD
CY2018Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	10420000	USD
CY2017Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	9851000	USD
CY2018Q2	fdef	Valuation Allowances And Reserves Impairment Expense Recovery ValuationAllowancesAndReservesImpairmentExpenseRecovery	47000	USD
CY2017Q2	fdef	Valuation Allowances And Reserves Impairment Expense Recovery ValuationAllowancesAndReservesImpairmentExpenseRecovery	16000	USD
	fdef	Valuation Allowances And Reserves Impairment Expense Recovery ValuationAllowancesAndReservesImpairmentExpenseRecovery	83000	USD
	fdef	Valuation Allowances And Reserves Impairment Expense Recovery ValuationAllowancesAndReservesImpairmentExpenseRecovery	48000	USD
CY2018Q2	fdef	Total Variable Rate Of Interest TotalVariableRateOfInterest	558777000	USD
CY2017Q4	fdef	Total Variable Rate Of Interest TotalVariableRateOfInterest	578214000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-808000	USD
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-1361000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	183000	USD
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	930000	USD
CY2017Q1	fdef	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Loan BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoan	285448000	USD
CY2018Q2	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-2769000	USD
CY2017Q2	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	3034000	USD
CY2018Q2	us-gaap	Assets Designated To Closed Block Fixed Maturities Held To Maturity At Amortized Cost AssetsDesignatedToClosedBlockFixedMaturitiesHeldToMaturityAtAmortizedCost	607000	USD
CY2017Q4	us-gaap	Assets Designated To Closed Block Fixed Maturities Held To Maturity At Amortized Cost AssetsDesignatedToClosedBlockFixedMaturitiesHeldToMaturityAtAmortizedCost	648000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	59204000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	51494000	USD
CY2018Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	30299000	USD
CY2017Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	27458000	USD
	dei	Entity Registrant Name EntityRegistrantName	FIRST DEFIANCE FINANCIAL CORP
CY2018Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	27267000	USD
CY2017Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	25749000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	25884000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-384000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-289000	USD
CY2017Q1	fdef	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumedfederal Home Loan Bank Stock And Other Stock BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedfederalHomeLoanBankStockAndOtherStock	2194000	USD
CY2018Q2	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	349000	USD
CY2017Q2	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	474000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	1714000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	4604000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	293018000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	373286000	USD
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
CY2018Q2	us-gaap	Interest Receivable InterestReceivable	9475000	USD
CY2017Q4	us-gaap	Interest Receivable InterestReceivable	8706000	USD
	fdef	Net Amortization Of Premium And Discounts On Loans Securities Deposits And Debt Obligations NetAmortizationOfPremiumAndDiscountsOnLoansSecuritiesDepositsAndDebtObligations	588000	USD
	fdef	Net Amortization Of Premium And Discounts On Loans Securities Deposits And Debt Obligations NetAmortizationOfPremiumAndDiscountsOnLoansSecuritiesDepositsAndDebtObligations	538000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	1417000	USD
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	2722000	USD
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	845000	USD
CY2017Q2	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	2258000	USD
CY2018Q2	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	529000	USD
	dei	Entity Central Index Key EntityCentralIndexKey	0000946647
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	22696000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-70000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-621000	USD
CY2017Q2	fdef	Impaired Financing Receivables Provisional Expenses ImpairedFinancingReceivablesProvisionalExpenses	605000	USD
	fdef	Impaired Financing Receivables Provisional Expenses ImpairedFinancingReceivablesProvisionalExpenses	813000	USD
CY2018Q2	fdef	Impaired Financing Receivables Provisional Expenses ImpairedFinancingReceivablesProvisionalExpenses	72000	USD
	fdef	Impaired Financing Receivables Provisional Expenses ImpairedFinancingReceivablesProvisionalExpenses	61000	USD
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	8.15
CY2018Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	11108000	USD
CY2017Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	8346000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	22844000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	13486000	USD
CY2017Q4	fdef	Mortgage Servicing Rights At Fair Value MortgageServicingRightsAtFairValue	534000	USD
CY2018Q2	fdef	Mortgage Servicing Rights At Fair Value MortgageServicingRightsAtFairValue	564000	USD
CY2018Q2	fdef	Net Carrying Value Of Ms Rs NetCarryingValueOfMSRs	9948000	USD
CY2017Q2	fdef	Net Carrying Value Of Ms Rs NetCarryingValueOfMSRs	9680000	USD
	fdef	Net Carrying Value Of Ms Rs NetCarryingValueOfMSRs	9948000	USD
	fdef	Net Carrying Value Of Ms Rs NetCarryingValueOfMSRs	9680000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-689000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-3499000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1677000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	2703000	USD
CY2017Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Equipment BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEquipment	5256000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	0	USD
CY2018Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2017Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2018Q2	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	15422000	USD
CY2017Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	10435000	USD
CY2018Q2	us-gaap	Interest Expense Deposits InterestExpenseDeposits	3144000	USD
CY2017Q2	us-gaap	Interest Expense Deposits InterestExpenseDeposits	2170000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	5755000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	3966000	USD
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2018Q2	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	160000	USD
CY2017Q2	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	306000	USD
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	2155000	USD
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	581000	USD
	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	601000	USD
	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	780000	USD
CY2018Q2	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	282000	USD
CY2017Q2	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	414000	USD
CY2018Q2	us-gaap	Loans Receivable Net LoansReceivableNet	2358023000	USD
CY2017Q4	us-gaap	Loans Receivable Net LoansReceivableNet	2322030000	USD
CY2018Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000	shares
CY2017Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000	shares
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	0	USD
CY2017Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangible Assets Other Than Goodwill BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill	4900000	USD
CY2017Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	173000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
	fdef	Preferred Securities And Subordinated Debentures Maturity Date PreferredSecuritiesAndSubordinatedDebenturesMaturityDate	2037-06-15
	fdef	Fair Value Of Msrs FairValueOfMsrs	10488000	USD
	fdef	Fair Value Of Msrs FairValueOfMsrs	9813000	USD
CY2018Q2	fdef	Fair Value Of Msrs FairValueOfMsrs	10488000	USD
CY2017Q2	fdef	Fair Value Of Msrs FairValueOfMsrs	9813000	USD
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	20359	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	19586	shares
CY2018Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	20388	shares
CY2017Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	20294	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2017Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	2437656000	USD
CY2018Q2	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	2489128000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	100481000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	102111000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	42174000	USD
	us-gaap	Allowance For Loan And Lease Losses Period Increase Decrease AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease	2172000	USD
	us-gaap	Allowance For Loan And Lease Losses Period Increase Decrease AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease	-672000	USD
CY2017Q2	us-gaap	Allowance For Loan And Lease Losses Period Increase Decrease AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease	2118000	USD
CY2018Q2	us-gaap	Allowance For Loan And Lease Losses Period Increase Decrease AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease	423000	USD
	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	50604000	USD
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	103730000	USD
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	98818000	USD
CY2018Q2	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	85722000	USD
CY2017Q4	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	84279000	USD
CY2018Q2	fdef	Valuation Allowance Of Mortgage Servicing Rights ValuationAllowanceOfMortgageServicingRights	349000	USD
CY2017Q4	fdef	Valuation Allowance Of Mortgage Servicing Rights ValuationAllowanceOfMortgageServicingRights	432000	USD
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	14.00
CY2018Q2	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	104	shares
CY2017Q2	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	114	shares
	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	107	shares
	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	110	shares
CY2018Q2	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	705000	USD
CY2017Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	227000	USD
CY2017Q1	fdef	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumedbank Owned Life Insurance BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedbankOwnedLifeInsurance	8168000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	0	USD
CY2018Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	25398992	shares
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	25425682	shares
CY2018Q2	fdef	Mortgage Servicing Rights MortgageServicingRights	9948000	USD
CY2017Q4	fdef	Mortgage Servicing Rights MortgageServicingRights	9808000	USD
CY2018Q2	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	320000	USD
CY2017Q2	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	229000	USD
	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	600000	USD
	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	443000	USD
	dei	Trading Symbol TradingSymbol	FDEF
CY2017Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	25915000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	816000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	758000	USD
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	14000	USD
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	28000	USD
CY2018Q2	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	6000	USD
CY2017Q2	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	13000	USD
CY2018Q2	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	9475000	USD
CY2017Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	8706000	USD
CY2018Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	20396178	shares
CY2017Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	20312082	shares
	fdef	Other Comprehensive Income Loss Defined Benefit Plan Reclassification Adjustment Upon Adoption From Aoci After Tax OtherComprehensiveIncomeLossDefinedBenefitPlanReclassificationAdjustmentUponAdoptionFromAociAfterTax	-82000	USD
CY2017Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Assets Receivables BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables	3606000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	16000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	21000	USD
CY2017Q2	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	5000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	24000	USD
	us-gaap	Cumulative Effect On Retained Earnings Net Of Tax1 CumulativeEffectOnRetainedEarningsNetOfTax1	0	USD
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	20466	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	19696	shares
CY2018Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	20492	shares
CY2017Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	20408	shares
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	14.00
CY2018Q2	us-gaap	Proceeds From Collection Of Loans Receivable ProceedsFromCollectionOfLoansReceivable	47000	USD
CY2017Q2	us-gaap	Proceeds From Collection Of Loans Receivable ProceedsFromCollectionOfLoansReceivable	16000	USD
	us-gaap	Proceeds From Collection Of Loans Receivable ProceedsFromCollectionOfLoansReceivable	48000	USD
	us-gaap	Proceeds From Collection Of Loans Receivable ProceedsFromCollectionOfLoansReceivable	83000	USD
CY2017Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	26019000	USD
CY2018Q2	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	6899000	USD
	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	2731000	USD
	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	2467000	USD
CY2018Q2	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	169459000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	25925000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	26505000	USD
CY2018Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	20400965	shares
CY2018Q2	us-gaap	Subordinated Debt SubordinatedDebt	36083000	USD
CY2017Q4	us-gaap	Subordinated Debt SubordinatedDebt	36083000	USD
CY2017Q2	fdef	Real Estate Held For Sale Increase Decrease In Fair Value RealEstateHeldForSaleIncreaseDecreaseInFairValue	20000	USD
	fdef	Real Estate Held For Sale Increase Decrease In Fair Value RealEstateHeldForSaleIncreaseDecreaseInFairValue	20000	USD
CY2018Q2	fdef	Real Estate Held For Sale Increase Decrease In Fair Value RealEstateHeldForSaleIncreaseDecreaseInFairValue	0	USD
	fdef	Real Estate Held For Sale Increase Decrease In Fair Value RealEstateHeldForSaleIncreaseDecreaseInFairValue	544000	USD
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	12.22
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.54
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.41
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.12
CY2017Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	2118000	USD
CY2018Q2	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	289854000	USD
CY2017Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	259726000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions	172000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions	85000	USD
CY2017Q1	fdef	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumednon Interest Bearing Deposits BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumednonInterestBearingDeposits	56061000	USD
CY2018Q2	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-466000	USD
CY2017Q2	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-289000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	117000	USD
CY2018Q2	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-860000	USD
CY2018Q2	us-gaap	Interest Expense InterestExpense	3752000	USD
CY2017Q2	us-gaap	Interest Expense InterestExpense	2826000	USD
	us-gaap	Interest Expense InterestExpense	6970000	USD
	us-gaap	Interest Expense InterestExpense	5217000	USD
CY2018Q2	fdef	Financing Receivable Allowance For Credit Losses Net Acquired With Deteriorated Credit Quality FinancingReceivableAllowanceForCreditLossesNetAcquiredWithDeterioratedCreditQuality	0	USD
CY2017Q4	fdef	Financing Receivable Allowance For Credit Losses Net Acquired With Deteriorated Credit Quality FinancingReceivableAllowanceForCreditLossesNetAcquiredWithDeterioratedCreditQuality	0	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	52234000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	46277000	USD
CY2018Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	26547000	USD
CY2017Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	24632000	USD
CY2018Q2	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	66860000	USD
CY2017Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	66230000	USD
CY2018Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	5002814	shares
CY2017Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	5113600	shares
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	217000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	215000	USD
CY2017Q1	fdef	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumedinterest Bearing Deposits BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedinterestBearingDeposits	251931000	USD
CY2018Q2	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	6899000	USD
CY2017Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	26019000	USD
	us-gaap	Treasury Stock Reissued At Lower Than Repurchase Price TreasuryStockReissuedAtLowerThanRepurchasePrice	198000	USD
	us-gaap	Treasury Stock Reissued At Lower Than Repurchase Price TreasuryStockReissuedAtLowerThanRepurchasePrice	111000	USD
CY2017Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	2886000	USD
CY2018Q2	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1791000	USD
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y5M16D
CY2018Q2	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	0	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	26683000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	27321000	USD
	fdef	Gain Losses On Sale Of Securities Net GainLossesOnSaleOfSecuritiesNet	0	USD
	fdef	Gain Losses On Sale Of Securities Net GainLossesOnSaleOfSecuritiesNet	267000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	31000	USD
CY2018Q2	fdef	Loans And Leases Receivable Consumer And Commercial Real Estate Gross LoansAndLeasesReceivableConsumerAndCommercialRealEstateGross	1875089000	USD
CY2017Q4	fdef	Loans And Leases Receivable Consumer And Commercial Real Estate Gross LoansAndLeasesReceivableConsumerAndCommercialRealEstateGross	1775559000	USD
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P5Y5M16D
CY2017Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	113693000	USD
CY2018Q2	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	106885000	USD
CY2018Q2	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	5295000	USD
CY2017Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	1962000	USD
CY2017Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Financial Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFinancialLiabilities	1403000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-3499000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	2703000	USD
CY2018Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	40444000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	40217000	USD
CY2018Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	423000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	48279000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	49504000	USD
CY2017Q2	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	51203000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	40100000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	52906000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	44105000	USD
CY2018Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	26124000	USD
CY2017Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	22514000	USD
CY2018Q2	fdef	Real Estate And Other Assets Held For Sale RealEstateAndOtherAssetsHeldForSale	1795000	USD
CY2017Q4	fdef	Real Estate And Other Assets Held For Sale RealEstateAndOtherAssetsHeldForSale	1532000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	173000	USD
CY2017Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities Other BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther	2717000	USD
	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	56532000	USD
CY2018Q2	fdef	Marketable Securities At Fair Value MarketableSecuritiesAtFairValue	286957000	USD
CY2017Q4	fdef	Marketable Securities At Fair Value MarketableSecuritiesAtFairValue	261299000	USD
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y7M20D
CY2018Q2	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	518000	USD
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	603000	USD
CY2017Q2	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	354000	USD
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	855000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	493000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	35729000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	51731000	USD
CY2018Q2	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	48359000	USD
CY2017Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	56608000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-52000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	0	USD
CY2018Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2523977000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2466267000	USD
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	770000	USD
CY2017Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	2315791000	USD
CY2018Q2	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	2346350000	USD
CY2017Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Net BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet	39978000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3499000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2530000	USD
CY2018Q2	us-gaap	Goodwill Goodwill	98569000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	98569000	USD
	us-gaap	Increase Decrease In Assets Held For Sale IncreaseDecreaseInAssetsHeldForSale	-529000	USD
	us-gaap	Increase Decrease In Assets Held For Sale IncreaseDecreaseInAssetsHeldForSale	53000	USD
CY2017Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	2296053000	USD
CY2018Q2	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	2341762000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	35353000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	48548000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	428000	USD
	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	716000	USD
CY2017Q2	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	265000	USD
	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	478000	USD
CY2018Q2	fdef	Core Deposit And Other Intangibles CoreDepositAndOtherIntangibles	5024000	USD
CY2017Q4	fdef	Core Deposit And Other Intangibles CoreDepositAndOtherIntangibles	5703000	USD
	fdef	Reclassification From Accumulated Other Comprehensive Income Current Period Reclassification Adjustment Upon Adoption ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodReclassificationAdjustmentUponAdoption	47000	USD
CY2017Q1	us-gaap	Goodwill Goodwill	28894000	USD
	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	60000	USD
	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	327000	USD
CY2018Q2	fdef	Interest Receivable Fair Value Disclosure InterestReceivableFairValueDisclosure	9475000	USD
CY2017Q4	fdef	Interest Receivable Fair Value Disclosure InterestReceivableFairValueDisclosure	8706000	USD
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	770000	USD
CY2018Q2	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	607000	USD
CY2017Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	648000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount	58000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	12000	USD
CY2018Q2	fdef	Impaired Financing Receivable No Related Allowance ImpairedFinancingReceivableNoRelatedAllowance	0	USD
CY2017Q4	fdef	Impaired Financing Receivable No Related Allowance ImpairedFinancingReceivableNoRelatedAllowance	0	USD
CY2018Q2	fdef	Notes Receivable Net Acquired With Deteriorated Credit Quality NotesReceivableNetAcquiredWithDeterioratedCreditQuality	3571000	USD
CY2017Q4	fdef	Notes Receivable Net Acquired With Deteriorated Credit Quality NotesReceivableNetAcquiredWithDeterioratedCreditQuality	3828000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	0	USD
CY2018Q2	us-gaap	Loans And Leases Receivable Loans In Process LoansAndLeasesReceivableLoansInProcess	136563000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Loans In Process LoansAndLeasesReceivableLoansInProcess	115972000	USD
	fdef	Increase Decrease In Interest Receivable IncreaseDecreaseInInterestReceivable	769000	USD
	fdef	Increase Decrease In Interest Receivable IncreaseDecreaseInInterestReceivable	294000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	1000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	0	USD
CY2018Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	509000	USD
CY2018Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3235000	USD
CY2017Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	2745000	USD
CY2018Q2	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1091000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	231000	USD
CY2017Q4	us-gaap	Notes Receivable Net NotesReceivableNet	2356489000	USD
CY2018Q2	us-gaap	Notes Receivable Net NotesReceivableNet	2393692000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	14113000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	8812000	USD
CY2018Q2	fdef	Service Fees And Other Charges ServiceFeesAndOtherCharges	3296000	USD
CY2017Q2	fdef	Service Fees And Other Charges ServiceFeesAndOtherCharges	3161000	USD
	fdef	Service Fees And Other Charges ServiceFeesAndOtherCharges	6427000	USD
	fdef	Service Fees And Other Charges ServiceFeesAndOtherCharges	5920000	USD
CY2018Q2	us-gaap	Other Assets OtherAssets	23092000	USD
CY2017Q4	us-gaap	Other Assets OtherAssets	38959000	USD
	fdef	Treasury Stock Value Acquired Par Value Method1 TreasuryStockValueAcquiredParValueMethod1	50000	USD
	fdef	Treasury Stock Value Acquired Par Value Method1 TreasuryStockValueAcquiredParValueMethod1	36000	USD
CY2017Q4	us-gaap	Deposits Fair Value Disclosure DepositsFairValueDisclosure	2444683000	USD
CY2018Q2	us-gaap	Deposits Fair Value Disclosure DepositsFairValueDisclosure	2481367000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	0	USD
CY2017Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	0	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	2219000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	53000	USD
CY2018Q2	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	2070000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	1582000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	0	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	9000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	13006000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	8060000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	USD
CY2018Q2	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	31000	USD
CY2018Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	27321000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	26683000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-3382000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-3144000	USD
CY2018Q2	us-gaap	Investment In Federal Home Loan Bank Stock Fair Value Disclosure InvestmentInFederalHomeLoanBankStockFairValueDisclosure	84524000	USD
CY2017Q4	us-gaap	Investment In Federal Home Loan Bank Stock Fair Value Disclosure InvestmentInFederalHomeLoanBankStockFairValueDisclosure	83261000	USD
CY2018Q2	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	11000000	USD
CY2017Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangible Assets Other Than Goodwill BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill	192000	USD
CY2018Q2	us-gaap	Assets Assets	3039574000	USD
CY2017Q4	us-gaap	Assets Assets	2993403000	USD
CY2018Q2	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	3493000	USD
CY2017Q2	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	3294000	USD
	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	7770000	USD
	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	6752000	USD
CY2018Q2	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	816000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	758000	USD
CY2017Q1	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P10Y
	us-gaap	Dividends Common Stock DividendsCommonStock	6106000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	4784000	USD
CY2017Q4	us-gaap	Securities Loaned Or Sold Under Agreements To Repurchase Fair Value Disclosure SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure	26019000	USD
CY2018Q2	us-gaap	Securities Loaned Or Sold Under Agreements To Repurchase Fair Value Disclosure SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure	6899000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	12911000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	14705000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	518000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	21000	USD
CY2018Q2	fdef	Income On Mortgage Banking IncomeOnMortgageBanking	2013000	USD
CY2017Q2	fdef	Income On Mortgage Banking IncomeOnMortgageBanking	1830000	USD
	fdef	Income On Mortgage Banking IncomeOnMortgageBanking	3755000	USD
	fdef	Income On Mortgage Banking IncomeOnMortgageBanking	3568000	USD
CY2018Q2	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	2381383000	USD
CY2017Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	2343042000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	0	USD
CY2018Q2	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	0	USD
CY2018Q2	us-gaap	Fair Value Liabilities Measured On Recurring Basis Subordinated Debt Obligations FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations	35670000	USD
CY2017Q4	us-gaap	Fair Value Liabilities Measured On Recurring Basis Subordinated Debt Obligations FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations	35385000	USD
CY2017Q2	us-gaap	Stockholders Equity StockholdersEquity	361430000	USD
CY2018Q2	us-gaap	Stockholders Equity StockholdersEquity	386920000	USD
	fdef	Gain Loss On Sale Of Non Mortgage Loans GainLossOnSaleOfNonMortgageLoans	267000	USD
	fdef	Gain Loss On Sale Of Non Mortgage Loans GainLossOnSaleOfNonMortgageLoans	90000	USD
CY2018Q2	fdef	Gain Loss On Sale Of Non Mortgage Loans GainLossOnSaleOfNonMortgageLoans	43000	USD
CY2017Q2	fdef	Gain Loss On Sale Of Non Mortgage Loans GainLossOnSaleOfNonMortgageLoans	90000	USD
CY2017Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	13447000	USD
CY2018Q2	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	12309000	USD
CY2017Q2	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	500000	USD
CY2018Q2	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	58000	USD
	us-gaap	Proceeds From Sale Of Held To Maturity Securities ProceedsFromSaleOfHeldToMaturitySecurities	41000	USD
	us-gaap	Proceeds From Sale Of Held To Maturity Securities ProceedsFromSaleOfHeldToMaturitySecurities	43000	USD
CY2017Q4	fdef	Total Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value TotalSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	92314000	USD
CY2018Q2	fdef	Total Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value TotalSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	155896000	USD
CY2018Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	18337000	USD
CY2017Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	30703000	USD
CY2018Q2	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	0	USD
CY2017Q2	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	267000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	0	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	267000	USD
	fdef	Total Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses TotalSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses	3252000	USD
CY2017	fdef	Total Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses TotalSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses	705000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	12519000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	13244000	USD
CY2018Q2	fdef	Trust Income TrustIncome	522000	USD
CY2017Q2	fdef	Trust Income TrustIncome	464000	USD
	fdef	Trust Income TrustIncome	1074000	USD
	fdef	Trust Income TrustIncome	914000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	966000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2245000	USD
CY2018Q2	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	566000	USD
CY2017Q2	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	422000	USD
	fdef	Proceeds From Sale Of Real Estate And Other Assets Held For Sale ProceedsFromSaleOfRealEstateAndOtherAssetsHeldForSale	343000	USD
CY2017Q4	fdef	Total Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value TotalSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	43729000	USD
CY2018Q2	fdef	Total Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value TotalSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	37797000	USD
	fdef	Proceeds From Sale Of Real Estate And Other Assets Held For Sale ProceedsFromSaleOfRealEstateAndOtherAssetsHeldForSale	214000	USD
	fdef	Total Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses TotalSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses	2043000	USD
CY2017	fdef	Total Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses TotalSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses	1257000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	0	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	7727000	USD
CY2018Q2	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	5207000	USD
CY2017Q4	us-gaap	Advance Payments By Borrowers For Taxes And Insurance AdvancePaymentsByBorrowersForTaxesAndInsurance	2925000	USD
CY2018Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	12885000	USD
CY2017Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	11473000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	26134000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	25808000	USD
	fdef	Income From Insurance Commission IncomeFromInsuranceCommission	7800000	USD
CY2018Q2	fdef	Income From Insurance Commission IncomeFromInsuranceCommission	3500000	USD
CY2017Q4	fdef	Total Sale Securities Continuous Unrealized Loss Position Fair Value TotalSaleSecuritiesContinuousUnrealizedLossPositionFairValue	136043000	USD
CY2018Q2	fdef	Total Sale Securities Continuous Unrealized Loss Position Fair Value TotalSaleSecuritiesContinuousUnrealizedLossPositionFairValue	193693000	USD
	fdef	Proceeds From Sale Of Non Mortgage Loans ProceedsFromSaleOfNonMortgageLoans	14086000	USD
	fdef	Proceeds From Sale Of Non Mortgage Loans ProceedsFromSaleOfNonMortgageLoans	15167000	USD
	fdef	Total Securities Continuous Unrealized Loss Position Aggregate Losses TotalSecuritiesContinuousUnrealizedLossPositionAggregateLosses	5295000	USD
CY2017	fdef	Total Securities Continuous Unrealized Loss Position Aggregate Losses TotalSecuritiesContinuousUnrealizedLossPositionAggregateLosses	1962000	USD
	fdef	Income From Renewal Of Insurance Commission IncomeFromRenewalOfInsuranceCommission	6800000	USD
	us-gaap	Stockholders Equity Note Stock Split Conversion Ratio1 StockholdersEquityNoteStockSplitConversionRatio1	2.3616	pure
	us-gaap	Occupancy Net OccupancyNet	4097000	USD
	us-gaap	Occupancy Net OccupancyNet	3791000	USD
CY2018Q2	us-gaap	Occupancy Net OccupancyNet	2026000	USD
CY2017Q2	us-gaap	Occupancy Net OccupancyNet	1954000	USD
CY2018Q2	us-gaap	Other Liabilities OtherLiabilities	29615000	USD
CY2017Q4	us-gaap	Other Liabilities OtherLiabilities	33155000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	42839000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	20187000	USD
CY2018Q2	us-gaap	Liabilities Liabilities	2652654000	USD
CY2017Q4	us-gaap	Liabilities Liabilities	2620117000	USD
CY2018Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	202000	USD
CY2017Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	353000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	562000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	643000	USD
	fdef	Income From Contingent Consideration IncomeFromContingentConsideration	1000000	USD
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	3000	USD
	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	0	USD
	us-gaap	Taxes Other TaxesOther	1014000	USD
	us-gaap	Taxes Other TaxesOther	1062000	USD
CY2018Q2	us-gaap	Taxes Other TaxesOther	531000	USD
CY2017Q2	us-gaap	Taxes Other TaxesOther	535000	USD
	us-gaap	Cash Acquired In Excess Of Payments To Acquire Business CashAcquiredInExcessOfPaymentsToAcquireBusiness	0	USD
	us-gaap	Cash Acquired In Excess Of Payments To Acquire Business CashAcquiredInExcessOfPaymentsToAcquireBusiness	19359000	USD
CY2018Q2	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2083000	USD
CY2017Q2	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2019000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	4188000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	3958000	USD
CY2018Q2	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0	USD
CY2017Q4	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0	USD
CY2018Q2	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	77000	USD
	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	0	USD
	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	20000000	USD
	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y10M24D
CY2018Q2	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2017Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2018Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	332000	USD
CY2017Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	334000	USD
CY2018Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	4606000	USD
CY2017Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	3962000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	9194000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	7991000	USD
CY2018Q2	us-gaap	Common Stock Value CommonStockValue	127000	USD
CY2017Q4	us-gaap	Common Stock Value CommonStockValue	127000	USD
	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	336000	USD
	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	0	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	907000	USD
CY2017Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	266000	USD
CY2018Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	343000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1100000	USD
CY2018Q2	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	160847000	USD
CY2017Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	160940000	USD
	us-gaap	Noninterest Expense NoninterestExpense	45916000	USD
	us-gaap	Noninterest Expense NoninterestExpense	43772000	USD
CY2018Q2	us-gaap	Noninterest Expense NoninterestExpense	22665000	USD
CY2017Q2	us-gaap	Noninterest Expense NoninterestExpense	20630000	USD
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	17689000	USD
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	0	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	13673000	USD
CY2017Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	12024000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	27907000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	21022000	USD
CY2018Q2	fdef	Compensation Expense Maximum CompensationExpenseMaximum	4300000	USD
	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	0	USD
	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	11476000	USD
CY2018Q2	fdef	Estimated Compensation Expense Excepted EstimatedCompensationExpenseExcepted	3500000	USD
CY2018Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	279122000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	262900000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5061000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7534000	USD
CY2018Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2564000	USD
CY2017Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3677000	USD
CY2018Q2	us-gaap	Treasury Stock Value TreasuryStockValue	49941000	USD
CY2017Q4	us-gaap	Treasury Stock Value TreasuryStockValue	50898000	USD
	fdef	Net Increase In Deposits And Advance Payments By Borrowers NetIncreaseInDepositsAndAdvancePaymentsByBorrowers	36677000	USD
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	28557000	USD
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	517000	USD
CY2018Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3039574000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2993403000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	30000000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	0	USD
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.68
	us-gaap	Proceeds From Repayments Of Notes Payable ProceedsFromRepaymentsOfNotesPayable	0	USD
	us-gaap	Proceeds From Repayments Of Notes Payable ProceedsFromRepaymentsOfNotesPayable	6500000	USD
CY2018Q2	fdef	Unrecognized Compensation Expense UnrecognizedCompensationExpense	1800000	USD
	fdef	Net Increase In Deposits And Advance Payments By Borrowers NetIncreaseInDepositsAndAdvancePaymentsByBorrowers	53612000	USD
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.30
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.25
CY2018Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	-19120000	USD
	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	-7710000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	50000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	36000	USD
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	20466	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19696	shares
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	20492	shares
CY2017Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	20408	shares
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	6106000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	4784000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-6808000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	12938000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	99003000	USD
CY2017Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	111941000	USD
	us-gaap	Interest Paid Net InterestPaidNet	6901000	USD
	us-gaap	Interest Paid Net InterestPaidNet	5123000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	5250000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	6800000	USD
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	930000	USD
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	309000	USD
	fdef	Securities Purchased But Not Yet Settled SecuritiesPurchasedButNotYetSettled	397000	USD
	fdef	Securities Purchased But Not Yet Settled SecuritiesPurchasedButNotYetSettled	0	USD
	us-gaap	Transfer Of Investments TransferOfInvestments	0	USD
	us-gaap	Transfer Of Investments TransferOfInvestments	17840000	USD
CY2018Q2	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	0	USD
CY2017Q2	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	7727000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	0	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	7727000	USD
CY2018Q2	fdef	Marketable Securities Realized Gain MarketableSecuritiesRealizedGain	0	USD
CY2017Q2	fdef	Marketable Securities Realized Gain MarketableSecuritiesRealizedGain	271000	USD
	fdef	Marketable Securities Realized Gain MarketableSecuritiesRealizedGain	0	USD
	fdef	Marketable Securities Realized Gain MarketableSecuritiesRealizedGain	271000	USD
CY2018Q2	fdef	Marketable Securities Realized Loss MarketableSecuritiesRealizedLoss	0	USD
CY2017Q2	fdef	Marketable Securities Realized Loss MarketableSecuritiesRealizedLoss	-4000	USD
	fdef	Marketable Securities Realized Loss MarketableSecuritiesRealizedLoss	0	USD
	fdef	Marketable Securities Realized Loss MarketableSecuritiesRealizedLoss	-4000	USD
CY2018Q2	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	0	USD
CY2017Q2	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	267000	USD
CY2017Q2	fdef	Realized Investment Gains Losses Net Of Tax RealizedInvestmentGainsLossesNetOfTax	174000	USD
CY2018Q2	fdef	Realized Investment Gains Losses Net Of Tax RealizedInvestmentGainsLossesNetOfTax	0	USD
CY2018Q2	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	36083000	USD
CY2017Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	36083000	USD
	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	172000	USD
	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	85000	USD
	fdef	Restricted Stock Income Expense RestrictedStockIncomeExpense	60000	USD
	fdef	Restricted Stock Income Expense RestrictedStockIncomeExpense	327000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1946000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1992000	USD
	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	49941000	USD
	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	34266000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	29990000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	30400000	USD
CY2018Q2	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	281000	USD
CY2017Q2	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	612000	USD
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	658000	USD
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	933000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-49709000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-32167000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	966000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2245000	USD
	us-gaap	Noninterest Income NoninterestIncome	20917000	USD
	us-gaap	Noninterest Income NoninterestIncome	20689000	USD
CY2018Q2	us-gaap	Noninterest Income NoninterestIncome	10214000	USD
CY2017Q2	us-gaap	Noninterest Income NoninterestIncome	10140000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	158000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	162000	USD

Files In Submission

Name	View Source	Status
0001144204-18-042301-index-headers.html	Edgar Link	pending
0001144204-18-042301-index.html	Edgar Link	pending
0001144204-18-042301.txt	Edgar Link	pending
0001144204-18-042301-xbrl.zip	Edgar Link	pending
fdef-20180630.xml	Edgar Link	completed
fdef-20180630.xsd	Edgar Link	pending
fdef-20180630_cal.xml	Edgar Link	unprocessable
fdef-20180630_def.xml	Edgar Link	unprocessable
fdef-20180630_lab.xml	Edgar Link	unprocessable
fdef-20180630_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
R1.htm	Edgar Link	pending
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$PFC
PREMIER FINANCIAL CORP Stock $pfc

2018 Q2 Form 10-Q Financial Statement

#000114420418042301 Filed on August 07, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PFC PREMIER FINANCIAL CORP Stock $pfc

2018 Q2 Form 10-Q Financial Statement

#000114420418042301 Filed on August 07, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PFC
PREMIER FINANCIAL CORP Stock $pfc