$boh 2018 Q4 10-Q

Concept	2018 Q4	2018 Q3	2017 Q3
Revenue		$139.4M	$128.8M
YoY Change		8.28%	12.97%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development		$4.241M	$3.882M
YoY Change		9.25%	7.24%
% of Gross Profit
Depreciation & Amortization	$3.900M	$3.700M	$3.200M
YoY Change	21.88%	15.62%	3.23%
% of Gross Profit
Operating Expenses		$4.241M	$3.882M
YoY Change		9.25%	7.24%
Operating Profit
YoY Change
Interest Expense		$16.50M	$12.44M
YoY Change		32.57%	23.61%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$68.20M	$70.07M	$66.13M
YoY Change	6.56%	5.96%	6.67%
Income Tax	$14.40M	$13.14M	$20.25M
% Of Pretax Income	21.11%	18.75%	30.62%
Net Earnings	$53.90M	$56.93M	$45.88M
YoY Change	25.35%	24.09%	5.49%
Net Earnings / Revenue		40.83%	35.63%
Basic Earnings Per Share		$1.37	$1.09
Diluted Earnings Per Share	$1.296M	$1.36	$1.08
COMMON SHARES
Basic Shares Outstanding	41.75M shares	41.62M shares	42.25M shares
Diluted Shares Outstanding		41.90M shares	42.57M shares

Concept	2018 Q4	2018 Q3	2017 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$526.0M	$335.0M	$761.5M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$151.8M	$142.9M	$125.2M
YoY Change	15.97%	14.19%	13.49%
Goodwill	$31.52M	$31.52M	$31.52M
YoY Change	0.0%	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$17.14B	$16.99B	$17.27B
YoY Change	0.32%	-1.6%	7.83%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$8.000M	$8.000M	$7.000M
YoY Change	14.29%	14.29%	16.67%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$199.0K	$629.0K	$505.0M
YoY Change		-99.88%	-9.98%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$28.00M	$24.00M	$38.00M
YoY Change	-9.68%	-36.84%	22.58%
LONG-TERM LIABILITIES
Long-Term Debt	$11.00M	$11.00M	$18.00M
YoY Change	0.0%	-38.89%	0.0%
Other Long-Term Liabilities	$180.0M	$181.0M	$181.0M
YoY Change	2.27%	0.0%	-0.55%
Total Long-Term Liabilities	$191.0M	$192.0M	$199.0M
YoY Change	2.14%	-3.52%	-0.5%
TOTAL LIABILITIES
Total Short-Term Liabilities	$28.00M	$24.00M	$38.00M
Total Long-Term Liabilities	$191.0M	$192.0M	$199.0M
Total Liabilities	$15.88B	$15.74B	$16.04B
YoY Change	0.12%	-1.88%	8.01%
SHAREHOLDERS EQUITY
Retained Earnings	$1.641B	$1.613B	$1.492B
YoY Change	8.54%	8.12%	7.08%
Common Stock	$572.3M	$569.8M	$559.1M
YoY Change	1.88%	1.91%	1.72%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$894.4M	$870.2M	$798.0M
YoY Change	10.77%	9.05%	4.43%
Treasury Stock Shares	16.56M shares	16.26M shares	15.44M shares
Shareholders Equity	$1.268B	$1.253B	$1.228B
YoY Change
Total Liabilities & Shareholders Equity	$17.14B	$16.99B	$17.27B
YoY Change	0.32%	-1.6%	7.83%

Concept	2018 Q4	2018 Q3	2017 Q3
OPERATING ACTIVITIES
Net Income	$53.90M	$56.93M	$45.88M
YoY Change	25.35%	24.09%	5.49%
Depreciation, Depletion And Amortization	$3.900M	$3.700M	$3.200M
YoY Change	21.88%	15.62%	3.23%
Cash From Operating Activities	$108.5M	$80.90M	$48.50M
YoY Change	278.05%	66.8%	-0.41%
INVESTING ACTIVITIES
Capital Expenditures	-$12.80M	-$3.800M	-$8.900M
YoY Change	42.22%	-57.3%	147.22%
Acquisitions
YoY Change
Other Investing Activities	$10.90M	-$221.9M	-$381.8M
YoY Change	-107.91%	-41.88%	47.64%
Cash From Investing Activities	-$1.800M	-$225.9M	-$390.6M
YoY Change	-98.77%	-42.17%	48.97%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	84.30M	-197.8M	229.5M
YoY Change	-143.1%	-186.19%	132.99%
NET CHANGE
Cash From Operating Activities	108.5M	80.90M	48.50M
Cash From Investing Activities	-1.800M	-225.9M	-390.6M
Cash From Financing Activities	84.30M	-197.8M	229.5M
Net Change In Cash	191.0M	-342.8M	-112.6M
YoY Change	-160.87%	204.44%	-2.09%
FREE CASH FLOW
Cash From Operating Activities	$108.5M	$80.90M	$48.50M
Capital Expenditures	-$12.80M	-$3.800M	-$8.900M
Free Cash Flow	$121.3M	$84.70M	$57.40M
YoY Change	221.75%	47.56%	9.75%

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2017Q3	boh	Affordable Housing Tax Credits Proportional Amortization Method AffordableHousingTaxCreditsProportionalAmortizationMethod	440000	USD
	boh	Affordable Housing Tax Credits Proportional Amortization Method AffordableHousingTaxCreditsProportionalAmortizationMethod	1201000	USD
CY2018Q3	boh	Affordable Housing Tax Credits Proportional Amortization Method AffordableHousingTaxCreditsProportionalAmortizationMethod	410000	USD
	boh	Affordable Housing Tax Credits Proportional Amortization Method AffordableHousingTaxCreditsProportionalAmortizationMethod	1231000	USD
CY2017	boh	Availablecommitmentsunder Revolving Credit Lines Modifiedas Tdr AvailablecommitmentsunderRevolvingCreditLinesModifiedasTDR	1500000	USD
	boh	Availablecommitmentsunder Revolving Credit Lines Modifiedas Tdr AvailablecommitmentsunderRevolvingCreditLinesModifiedasTDR	100000	USD
CY2017Q4	boh	Carrying Value Of Investment Securities Pledged CarryingValueOfInvestmentSecuritiesPledged	2400000000	USD
CY2018Q3	boh	Carrying Value Of Investment Securities Pledged CarryingValueOfInvestmentSecuritiesPledged	2500000000	USD
CY2017Q4	boh	Earning Assets EarningAssets	16054815000	USD
CY2018Q3	boh	Earning Assets EarningAssets	15962533000	USD
CY2017Q3	boh	Fair Value Net Derivative Asset Liability Measuredon Recurring Basis Unobservable Inputs Reconciliation Transfersto Loans Held For Sale FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationTransferstoLoansHeldForSale	1631000	USD
	boh	Fair Value Net Derivative Asset Liability Measuredon Recurring Basis Unobservable Inputs Reconciliation Transfersto Loans Held For Sale FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationTransferstoLoansHeldForSale	4581000	USD
CY2018Q3	boh	Fair Value Net Derivative Asset Liability Measuredon Recurring Basis Unobservable Inputs Reconciliation Transfersto Loans Held For Sale FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationTransferstoLoansHeldForSale	1012000	USD
	boh	Fair Value Net Derivative Asset Liability Measuredon Recurring Basis Unobservable Inputs Reconciliation Transfersto Loans Held For Sale FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationTransferstoLoansHeldForSale	2591000	USD
CY2017Q3	boh	Fair Value Net Derivative Asset Liability Measuredon Recurring Basis Unobservable Inputs Reconciliation Unrealized Gain Loss Includedin Net Income Relatedto Assets Still Held FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationUnrealizedGainLossIncludedinNetIncomeRelatedtoAssetsStillHeld	1315000	USD
	boh	Fair Value Net Derivative Asset Liability Measuredon Recurring Basis Unobservable Inputs Reconciliation Unrealized Gain Loss Includedin Net Income Relatedto Assets Still Held FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationUnrealizedGainLossIncludedinNetIncomeRelatedtoAssetsStillHeld	1315000	USD
CY2018Q3	boh	Fair Value Net Derivative Asset Liability Measuredon Recurring Basis Unobservable Inputs Reconciliation Unrealized Gain Loss Includedin Net Income Relatedto Assets Still Held FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationUnrealizedGainLossIncludedinNetIncomeRelatedtoAssetsStillHeld	-184000	USD
	boh	Fair Value Net Derivative Asset Liability Measuredon Recurring Basis Unobservable Inputs Reconciliation Unrealized Gain Loss Includedin Net Income Relatedto Assets Still Held FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationUnrealizedGainLossIncludedinNetIncomeRelatedtoAssetsStillHeld	-184000	USD
	boh	Federal And State Effective Tax Rate Used For Segment Reporting FederalAndStateEffectiveTaxRateUsedForSegmentReporting	0.26
CY2017Q3	boh	Feeand Commission Fiduciaryand Trust Activities FeeandCommissionFiduciaryandTrustActivities	11050000	USD
	boh	Feeand Commission Fiduciaryand Trust Activities FeeandCommissionFiduciaryandTrustActivities	34325000	USD
CY2018Q3	boh	Feeand Commission Fiduciaryand Trust Activities FeeandCommissionFiduciaryandTrustActivities	10782000	USD
	boh	Feeand Commission Fiduciaryand Trust Activities FeeandCommissionFiduciaryandTrustActivities	33319000	USD
CY2017Q3	boh	Fees Exchange And Other Service Charges FeesExchangeAndOtherServiceCharges	13764000	USD
	boh	Fees Exchange And Other Service Charges FeesExchangeAndOtherServiceCharges	41061000	USD
CY2018Q3	boh	Fees Exchange And Other Service Charges FeesExchangeAndOtherServiceCharges	14173000	USD
	boh	Fees Exchange And Other Service Charges FeesExchangeAndOtherServiceCharges	42906000	USD
CY2017Q3	boh	Financing Receivable Modifications Impact On Allowance FinancingReceivableModificationsImpactOnAllowance	162000	USD
	boh	Financing Receivable Modifications Impact On Allowance FinancingReceivableModificationsImpactOnAllowance	287000	USD
CY2018Q3	boh	Financing Receivable Modifications Impact On Allowance FinancingReceivableModificationsImpactOnAllowance	116000	USD
	boh	Financing Receivable Modifications Impact On Allowance FinancingReceivableModificationsImpactOnAllowance	285000	USD
CY2017Q4	boh	Financing Receivable Recorded Investment Nonaccrual Status Current FinancingReceivableRecordedInvestmentNonaccrualStatusCurrent	2896000	USD
CY2018Q3	boh	Financing Receivable Recorded Investment Nonaccrual Status Current FinancingReceivableRecordedInvestmentNonaccrualStatusCurrent	2417000	USD
	boh	Financing Receivable Recorded Investment Nonaccrual Status Current Number Of Days Not Past Due FinancingReceivableRecordedInvestmentNonaccrualStatusCurrentNumberOfDaysNotPastDue	P30D
CY2017Q4	boh	Financing Receivable Recorded Investment Past Due And Nonaccrual Status FinancingReceivableRecordedInvestmentPastDueAndNonaccrualStatus	61352000	USD
CY2018Q3	boh	Financing Receivable Recorded Investment Past Due And Nonaccrual Status FinancingReceivableRecordedInvestmentPastDueAndNonaccrualStatus	54609000	USD
CY2017Q3	boh	Interest And Fee Income For Loans And Leases InterestAndFeeIncomeForLoansAndLeases	94621000	USD
	boh	Interest And Fee Income For Loans And Leases InterestAndFeeIncomeForLoansAndLeases	273467000	USD
CY2018Q3	boh	Interest And Fee Income For Loans And Leases InterestAndFeeIncomeForLoansAndLeases	104248000	USD
	boh	Interest And Fee Income For Loans And Leases InterestAndFeeIncomeForLoansAndLeases	303193000	USD
CY2017Q3	boh	Mortgage Banking Income MortgageBankingIncome	3237000	USD
	boh	Mortgage Banking Income MortgageBankingIncome	10356000	USD
CY2018Q3	boh	Mortgage Banking Income MortgageBankingIncome	1965000	USD
	boh	Mortgage Banking Income MortgageBankingIncome	6289000	USD
	boh	Municipal Debt Securities Issuedby One Single Stateor Political Subdivisionas Percentageof Total Fair Valueof Entire Municipal Debt Securities Threshold MunicipalDebtSecuritiesIssuedbyOneSingleStateorPoliticalSubdivisionasPercentageofTotalFairValueofEntireMunicipalDebtSecuritiesThreshold	0.10
CY2017Q3	boh	Net Unrealized Gain Losson Investment Securitiesnetoftax NetUnrealizedGainLossonInvestmentSecuritiesnetoftax	444000	USD
	boh	Net Unrealized Gain Losson Investment Securitiesnetoftax NetUnrealizedGainLossonInvestmentSecuritiesnetoftax	8444000	USD
CY2018Q3	boh	Net Unrealized Gain Losson Investment Securitiesnetoftax NetUnrealizedGainLossonInvestmentSecuritiesnetoftax	-5599000	USD
	boh	Net Unrealized Gain Losson Investment Securitiesnetoftax NetUnrealizedGainLossonInvestmentSecuritiesnetoftax	-17694000	USD
CY2018Q3	boh	Number Of Investment Securities In Unrealized Loss Position NumberOfInvestmentSecuritiesInUnrealizedLossPosition	520	security
CY2017Q3	boh	Other Comprehensive Income Reclassification Adjustmentfor Amortizationof Gainson Held To Maturity Securitiesafter Tax OtherComprehensiveIncomeReclassificationAdjustmentforAmortizationofGainsonHeldToMaturitySecuritiesafterTax	-301000	USD
	boh	Other Comprehensive Income Reclassification Adjustmentfor Amortizationof Gainson Held To Maturity Securitiesafter Tax OtherComprehensiveIncomeReclassificationAdjustmentforAmortizationofGainsonHeldToMaturitySecuritiesafterTax	-903000	USD
CY2018Q3	boh	Other Comprehensive Income Reclassification Adjustmentfor Amortizationof Gainson Held To Maturity Securitiesafter Tax OtherComprehensiveIncomeReclassificationAdjustmentforAmortizationofGainsonHeldToMaturitySecuritiesafterTax	-350000	USD
	boh	Other Comprehensive Income Reclassification Adjustmentfor Amortizationof Gainson Held To Maturity Securitiesafter Tax OtherComprehensiveIncomeReclassificationAdjustmentforAmortizationofGainsonHeldToMaturitySecuritiesafterTax	-1259000	USD
CY2017Q3	boh	Other Comprehensive Income Reclassification Adjustmentfor Amortizationof Held To Maturityholding Gainsbefore Tax OtherComprehensiveIncomeReclassificationAdjustmentforAmortizationofHeldToMaturityholdingGainsbeforeTax	-497000	USD
	boh	Other Comprehensive Income Reclassification Adjustmentfor Amortizationof Held To Maturityholding Gainsbefore Tax OtherComprehensiveIncomeReclassificationAdjustmentforAmortizationofHeldToMaturityholdingGainsbeforeTax	-1492000	USD
CY2018Q3	boh	Other Comprehensive Income Reclassification Adjustmentfor Amortizationof Held To Maturityholding Gainsbefore Tax OtherComprehensiveIncomeReclassificationAdjustmentforAmortizationofHeldToMaturityholdingGainsbeforeTax	-476000	USD
	boh	Other Comprehensive Income Reclassification Adjustmentfor Amortizationof Held To Maturityholding Gainsbefore Tax OtherComprehensiveIncomeReclassificationAdjustmentforAmortizationofHeldToMaturityholdingGainsbeforeTax	-1712000	USD
CY2017Q3	boh	Other Comprehensive Income Unrealized Losses On Investment Securities Before Tax OtherComprehensiveIncomeUnrealizedLossesOnInvestmentSecuritiesBeforeTax	733000	USD
	boh	Other Comprehensive Income Unrealized Losses On Investment Securities Before Tax OtherComprehensiveIncomeUnrealizedLossesOnInvestmentSecuritiesBeforeTax	13950000	USD
CY2018Q3	boh	Other Comprehensive Income Unrealized Losses On Investment Securities Before Tax OtherComprehensiveIncomeUnrealizedLossesOnInvestmentSecuritiesBeforeTax	-7610000	USD
	boh	Other Comprehensive Income Unrealized Losses On Investment Securities Before Tax OtherComprehensiveIncomeUnrealizedLossesOnInvestmentSecuritiesBeforeTax	-24053000	USD
CY2017Q3	boh	Proportional Amortization Method Qualified Affordable Housing Project Investments Amortization ProportionalAmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	358000	USD
	boh	Proportional Amortization Method Qualified Affordable Housing Project Investments Amortization ProportionalAmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	969000	USD
CY2018Q3	boh	Proportional Amortization Method Qualified Affordable Housing Project Investments Amortization ProportionalAmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	333000	USD
	boh	Proportional Amortization Method Qualified Affordable Housing Project Investments Amortization ProportionalAmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	999000	USD
CY2018Q3	boh	Qualified Affordable Housing Project Investments Commitment Payments After Year Five QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsAfterYearFive	703000	USD
CY2018Q3	boh	Qualified Affordable Housing Project Investments Commitment Payments Remainderof Fiscal Year QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsRemainderofFiscalYear	5385000	USD
CY2018Q3	boh	Qualified Affordable Housing Project Investments Commitment Payments Year Five QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsYearFive	55000	USD
CY2018Q3	boh	Qualified Affordable Housing Project Investments Commitment Payments Year Four QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsYearFour	45000	USD
CY2018Q3	boh	Qualified Affordable Housing Project Investments Commitment Payments Year Three QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsYearThree	84000	USD
CY2018Q3	boh	Qualified Affordable Housing Project Investments Commitment Payments Year Two QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsYearTwo	9114000	USD
	boh	Reclassificationofthe Income Tax Effectofthe Tax Reformfrom Aoc Ito Re ReclassificationoftheIncomeTaxEffectoftheTaxReformfromAOCItoRE	0	USD
CY2017Q4	boh	Residential Mortgage Loans Serviced For Third Parties ResidentialMortgageLoansServicedForThirdParties	2900000000	USD
CY2018Q3	boh	Residential Mortgage Loans Serviced For Third Parties ResidentialMortgageLoansServicedForThirdParties	2900000000	USD
CY2017Q3	boh	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	8188000	USD
	boh	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	24522000	USD
CY2018Q3	boh	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	7255000	USD
	boh	Service Charges On Deposit Accounts ServiceChargesOnDepositAccounts	21249000	USD
	boh	Stock Issued During Period Value Purchase And Equity Compensation Plans StockIssuedDuringPeriodValuePurchaseAndEquityCompensationPlans	11739000	USD
	boh	Stock Issued During Period Value Purchase And Equity Compensation Plans StockIssuedDuringPeriodValuePurchaseAndEquityCompensationPlans	6233000	USD
	boh	Taxeffecton Unrealizedgainlosson Investment Securities TaxeffectonUnrealizedgainlossonInvestmentSecurities	5506000	USD
CY2017Q4	boh	Tax Cutsand Jobs Actof2017 Incomplete Accounting Changein Tax Rate Deferred Tax Liability Provisional Income Tax Expense Benefit TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxLiabilityProvisionalIncomeTaxExpenseBenefit	-3600000	USD
CY2018Q1	boh	Tax Cutsand Jobs Actof2017 Incomplete Accounting Changein Tax Rate Deferred Tax Liability Provisional Income Tax Expense Benefit TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxLiabilityProvisionalIncomeTaxExpenseBenefit	-100000	USD
CY2018Q3	boh	Tax Cutsand Jobs Actof2017 Incomplete Accounting Changein Tax Rate Deferred Tax Liability Provisional Income Tax Expense Benefit TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxLiabilityProvisionalIncomeTaxExpenseBenefit	-300000	USD
CY2018Q1	boh	Tax Cutsand Jobs Actof2017 Incomplete Accounting Changein Tax Rate Low Income Housing Investment Basis Adjustment Provisional Income Tax Expense Benefit TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateLowIncomeHousingInvestmentBasisAdjustmentProvisionalIncomeTaxExpenseBenefit	2000000	USD
	boh	Tax Cutsand Jobs Actof2017 Incomplete Accounting Changein Tax Rate Low Income Housing Investment Basis Adjustment Provisional Income Tax Expense Benefit TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateLowIncomeHousingInvestmentBasisAdjustmentProvisionalIncomeTaxExpenseBenefit	2000000	USD
CY2017Q3	boh	Taxeffecton Unrealizedgainlosson Investment Securities TaxeffectonUnrealizedgainlossonInvestmentSecurities	289000	USD
CY2018Q3	boh	Taxeffecton Unrealizedgainlosson Investment Securities TaxeffectonUnrealizedgainlossonInvestmentSecurities	-2011000	USD
	boh	Taxeffecton Unrealizedgainlosson Investment Securities TaxeffectonUnrealizedgainlossonInvestmentSecurities	-6359000	USD
CY2017Q4	boh	Taxes Payable And Deferred Taxes TaxesPayableAndDeferredTaxes	24009000	USD
CY2018Q3	boh	Taxes Payable And Deferred Taxes TaxesPayableAndDeferredTaxes	15549000	USD
CY2017Q3	boh	Thetaxeffectofothercomprehensiveincomereclassificationforamortizationofholdinggainslosseson Htm Securitiestaxeffect. ThetaxeffectofothercomprehensiveincomereclassificationforamortizationofholdinggainslossesonHTMSecuritiestaxeffect.	-196000	USD
	boh	Thetaxeffectofothercomprehensiveincomereclassificationforamortizationofholdinggainslosseson Htm Securitiestaxeffect. ThetaxeffectofothercomprehensiveincomereclassificationforamortizationofholdinggainslossesonHTMSecuritiestaxeffect.	-589000	USD
CY2018Q3	boh	Thetaxeffectofothercomprehensiveincomereclassificationforamortizationofholdinggainslosseson Htm Securitiestaxeffect. ThetaxeffectofothercomprehensiveincomereclassificationforamortizationofholdinggainslossesonHTMSecuritiestaxeffect.	-126000	USD
	boh	Thetaxeffectofothercomprehensiveincomereclassificationforamortizationofholdinggainslosseson Htm Securitiestaxeffect. ThetaxeffectofothercomprehensiveincomereclassificationforamortizationofholdinggainslossesonHTMSecuritiestaxeffect.	-453000	USD
CY2017Q3	boh	Variationmarginpaymentsforswapliabilities Variationmarginpaymentsforswapliabilities	-16000	USD
	boh	Variationmarginpaymentsforswapliabilities Variationmarginpaymentsforswapliabilities	374000	USD
CY2018Q3	boh	Variationmarginpaymentsforswapliabilities Variationmarginpaymentsforswapliabilities	293000	USD
	boh	Variationmarginpaymentsforswapliabilities Variationmarginpaymentsforswapliabilities	721000	USD
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
	dei	Document Period End Date DocumentPeriodEndDate	2018-09-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0000046195
CY2018Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	41752644	shares
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	BANK OF HAWAII CORP
	dei	Entity Small Business EntitySmallBusiness	false
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-29685000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-25633000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-34715000	USD
CY2018Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-59238000	USD
CY2017Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	561161000	USD
CY2018Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	569223000	USD
	us-gaap	Affordable Housing Project Investment Write Down Amount AffordableHousingProjectInvestmentWriteDownAmount	0	USD
	us-gaap	Affordable Housing Project Investment Write Down Amount AffordableHousingProjectInvestmentWriteDownAmount	0	USD
CY2017Q3	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	3414000	USD
	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	10282000	USD
CY2018Q3	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	3380000	USD
	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	10192000	USD
CY2017Q3	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	2746000	USD
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	7367000	USD
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	7595000	USD
CY2018Q3	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	2729000	USD
	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	6403000	USD
CY2017Q3	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	3472000	USD
	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	10042000	USD
CY2018Q3	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	3298000	USD
	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	10081000	USD
CY2017Q4	us-gaap	Amortization Method Qualified Affordable Housing Project Investments AmortizationMethodQualifiedAffordableHousingProjectInvestments	71700000	USD
CY2018Q3	us-gaap	Amortization Method Qualified Affordable Housing Project Investments AmortizationMethodQualifiedAffordableHousingProjectInvestments	68100000	USD
CY2017Q3	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	2105000	USD
CY2018Q3	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	2078000	USD
	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	6233000	USD
	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	744000	USD
	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	330000	USD
CY2017Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1070	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	363	shares
CY2018Q3	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
CY2017Q3	us-gaap	Assets Assets	17268302000	USD
CY2017Q4	us-gaap	Assets Assets	17089052000	USD
CY2018Q3	us-gaap	Assets Assets	16991734000	USD
CY2017Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	2232979000	USD
CY2018Q3	us-gaap	Available For Sale Securities AvailableForSaleSecurities	2049687000	USD
CY2017Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	15695000	USD
CY2018Q3	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	6959000	USD
CY2017Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	18860000	USD
CY2018Q3	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	35889000	USD
CY2017Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	2236144000	USD
CY2018Q3	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	2078617000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	11490000	USD
CY2018Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	29482000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	18860000	USD
CY2018Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	35889000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	1285531000	USD
CY2018Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	1487687000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	7370000	USD
CY2018Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	6407000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	729547000	USD
CY2018Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	615865000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	555984000	USD
CY2018Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	871822000	USD
CY2018Q3	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis	51919000	USD
CY2018Q3	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	51866000	USD
CY2018Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis	22912000	USD
CY2018Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue	23568000	USD
CY2018Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis	94253000	USD
CY2018Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	95875000	USD
CY2018Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis	631703000	USD
CY2018Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	630347000	USD
CY2018Q3	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	801656000	USD
CY2018Q3	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	800787000	USD
CY2017Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	280034000	USD
CY2018Q3	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	282637000	USD
CY2017Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1861000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	4908000	USD
CY2018Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1620000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	5258000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	879607000	USD
CY2017Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	761516000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	447851000	USD
CY2018Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	334973000	USD
CY2017Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.52
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.52
CY2018Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.60
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.72
CY2017Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2018Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2017Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2018Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	57959074	shares
CY2018Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	58070578	shares
CY2017Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	42401443	shares
CY2018Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	41809551	shares
CY2017Q4	us-gaap	Common Stock Value CommonStockValue	576000	USD
CY2018Q3	us-gaap	Common Stock Value CommonStockValue	577000	USD
CY2017Q3	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	3882000	USD
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	11173000	USD
CY2018Q3	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	4241000	USD
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	12695000	USD
CY2017Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	46471000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	150602000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	51550000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	148645000	USD
CY2017Q3	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	1800000	USD
	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	5300000	USD
CY2018Q3	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	1800000	USD
	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	5400000	USD
CY2017Q3	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	-566000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	11047000	USD
CY2018Q3	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	-729000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	-3097000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	3871000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-6557000	USD
CY2017Q4	us-gaap	Deposits Deposits	14883968000	USD
CY2018Q3	us-gaap	Deposits Deposits	14843335000	USD
CY2017Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	5389013000	USD
CY2018Q3	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	5444053000	USD
	us-gaap	Depreciation Nonproduction DepreciationNonproduction	9832000	USD
	us-gaap	Depreciation Nonproduction DepreciationNonproduction	10512000	USD
CY2017Q3	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	1880000	USD
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	6440000	USD
CY2018Q3	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	2175000	USD
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	6306000	USD
CY2017Q4	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Asset At Fair Value DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue	10518000	USD
CY2018Q3	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Asset At Fair Value DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue	16793000	USD
CY2017Q4	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Liability At Fair Value DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue	9693000	USD
CY2018Q3	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Liability At Fair Value DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue	17509000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	64946000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	72639000	USD
CY2017Q4	us-gaap	Due From Banks DueFromBanks	263017000	USD
CY2018Q3	us-gaap	Due From Banks DueFromBanks	227049000	USD
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.09
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.35
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.37
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.96
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.08
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.32
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.36
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.93
CY2017Q3	us-gaap	Equipment Expense EquipmentExpense	5417000	USD
	us-gaap	Equipment Expense EquipmentExpense	16624000	USD
CY2018Q3	us-gaap	Equipment Expense EquipmentExpense	6116000	USD
	us-gaap	Equipment Expense EquipmentExpense	17488000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	-2515000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	-985000	USD
CY2017Q3	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	0	USD
	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	0	USD
CY2018Q3	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	0	USD
	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	0	USD
CY2017Q4	us-gaap	Fair Value Disclosure Offbalance Sheet Risks Face Amount Liability FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability	2859279000	USD
CY2018Q3	us-gaap	Fair Value Disclosure Offbalance Sheet Risks Face Amount Liability FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability	2988670000	USD
CY2017Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-39000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-146000	USD
CY2018Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-39000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-127000	USD
CY2016Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1655000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1548000	USD
CY2017Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1509000	USD
CY2017Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1454000	USD
CY2018Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1366000	USD
CY2018Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1327000	USD
CY2017Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	1561000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	4469000	USD
CY2018Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	730000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	2234000	USD
CY2016Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	1053000	USD
CY2017Q2	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	1369000	USD
CY2017Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	1315000	USD
CY2017Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	894000	USD
CY2018Q2	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	391000	USD
CY2018Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-184000	USD
CY2017Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2107000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	6413000	USD
CY2018Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2057000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	6396000	USD
CY2017Q4	us-gaap	Federal Funds Sold FederalFundsSold	181413000	USD
CY2018Q3	us-gaap	Federal Funds Sold FederalFundsSold	104199000	USD
CY2017Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	20000000	USD
CY2018Q3	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	17000000	USD
CY2017Q4	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	40645000	USD
CY2018Q3	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	37858000	USD
CY2017Q4	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	20645000	USD
CY2018Q3	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	20858000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	104273000	USD
CY2017Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	106353000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	106881000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	107346000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	108188000	USD
CY2018Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	108690000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	102983000	USD
CY2018Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	104745000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	3898000	USD
CY2018Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	3945000	USD
CY2017Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	6218000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	17409000	USD
CY2018Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	6027000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	17676000	USD
CY2017Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	9512833000	USD
CY2018Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	10176654000	USD
CY2017Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	61123000	USD
CY2018Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	54408000	USD
CY2017Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	162	contract
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	480	contract
CY2018Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	141	contract
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	444	contract
CY2017Q3	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	4727000	USD
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	17722000	USD
CY2018Q3	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	2989000	USD
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	9548000	USD
CY2017Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	60100000	USD
CY2018Q3	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	52800000	USD
CY2017Q3	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	28	contract
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	57	contract
CY2018Q3	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	40	contract
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	88	contract
CY2017Q3	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	456000	USD
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	784000	USD
CY2018Q3	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	440000	USD
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	996000	USD
CY2017Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	9735595000	USD
CY2018Q3	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	10176453000	USD
CY2017Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	15080000	USD
CY2018Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	11889000	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	11047000	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	-3097000	USD
CY2017Q3	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-566000	USD
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	11047000	USD
CY2018Q3	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-729000	USD
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-3097000	USD
	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	5615000	USD
	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	2642000	USD
CY2017Q3	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	1400000	USD
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	4600000	USD
CY2018Q3	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	400000	USD
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	1100000	USD
CY2017Q3	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	0	USD
	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	12467000	USD
CY2018Q3	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	0	USD
	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	0	USD
CY2017Q4	us-gaap	Goodwill Goodwill	31517000	USD
CY2018Q3	us-gaap	Goodwill Goodwill	31517000	USD
CY2017Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	3928170000	USD
CY2018Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	3664487000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	20949000	USD
CY2018Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	8637000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	54998000	USD
CY2018Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	123889000	USD
CY2018Q3	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	3664487000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	38983000	USD
CY2018Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	102333000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	54998000	USD
CY2018Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	123889000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	2878597000	USD
CY2018Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	3106257000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	16015000	USD
CY2018Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	21556000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	1604272000	USD
CY2018Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	1119581000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	1274325000	USD
CY2018Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	1986676000	USD
CY2018Q3	us-gaap	Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Fair Value HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	164495000	USD
CY2018Q3	us-gaap	Held To Maturity Securities Debt Maturities Rolling After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue	17851000	USD
CY2018Q3	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Six Through Ten Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	230391000	USD
CY2018Q3	us-gaap	Held To Maturity Securities Debt Maturities Rolling Year Two Through Five Fair Value HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	346571000	USD
CY2018Q3	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Amortized Cost Basis HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	759470000	USD
CY2018Q3	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue	759308000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	3894121000	USD
CY2018Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	3549235000	USD
CY2018Q3	us-gaap	Heldtomaturity Securities Debt Maturities Next Rolling Twelve Months Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCost	164903000	USD
CY2018Q3	us-gaap	Heldtomaturity Securities Debt Maturities Rolling After Ten Years Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingAfterTenYearsAmortizedCost	17069000	USD
CY2018Q3	us-gaap	Heldtomaturity Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCost	230227000	USD
CY2018Q3	us-gaap	Heldtomaturity Securities Debt Maturities Rolling Year Two Through Five Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCost	347271000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	59925000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	60220000	USD
CY2018Q3	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	54288000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	56798000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	730000	USD
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	2047000	USD
CY2018Q3	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	983000	USD
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	2492000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	61218000	USD
CY2018Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	54408000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	3916000	USD
CY2018Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	3945000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	77114000	USD
CY2018Q3	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	66935000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	19557000	USD
	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	19856000	USD
CY2018Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	10440000	USD
	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	13585000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	190000	USD
	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	542000	USD
CY2018Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	65000	USD
	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	423000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	18205000	USD
CY2018Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	10205000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	29358000	USD
CY2018Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	17405000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	40368000	USD
	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	40364000	USD
CY2018Q3	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	43848000	USD
	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	43213000	USD
CY2017Q3	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	540000	USD
	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	1505000	USD
CY2018Q3	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	918000	USD
	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	2069000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	43013000	USD
CY2018Q3	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	44203000	USD
CY2017Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	47756000	USD
CY2018Q3	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	49530000	USD
CY2017Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	66129000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	204025000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	70071000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	202056000	USD
CY2017Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20248000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	62306000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13138000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	36365000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	49957000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	32403000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	727920000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-40634000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	37405000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	5148000	USD
CY2017Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	313823	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	325722	shares
CY2018Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	278625	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	287696	shares
CY2017Q3	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	1429000	USD
	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	5585000	USD
CY2018Q3	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	1360000	USD
	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	4413000	USD
CY2017Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	128761000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	372181000	USD
CY2018Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	139424000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	407155000	USD
CY2017Q3	us-gaap	Interest And Dividend Income Securities Available For Sale InterestAndDividendIncomeSecuritiesAvailableForSale	11987000	USD
	us-gaap	Interest And Dividend Income Securities Available For Sale InterestAndDividendIncomeSecuritiesAvailableForSale	34906000	USD
CY2018Q3	us-gaap	Interest And Dividend Income Securities Available For Sale InterestAndDividendIncomeSecuritiesAvailableForSale	12588000	USD
	us-gaap	Interest And Dividend Income Securities Available For Sale InterestAndDividendIncomeSecuritiesAvailableForSale	37109000	USD
CY2017Q3	us-gaap	Interest And Dividend Income Securities Held To Maturity InterestAndDividendIncomeSecuritiesHeldToMaturity	20334000	USD
	us-gaap	Interest And Dividend Income Securities Held To Maturity InterestAndDividendIncomeSecuritiesHeldToMaturity	59958000	USD
CY2018Q3	us-gaap	Interest And Dividend Income Securities Held To Maturity InterestAndDividendIncomeSecuritiesHeldToMaturity	20821000	USD
	us-gaap	Interest And Dividend Income Securities Held To Maturity InterestAndDividendIncomeSecuritiesHeldToMaturity	62828000	USD
CY2017Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	3082563000	USD
CY2018Q3	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	2975069000	USD
CY2017Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	3421000	USD
CY2018Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	3725000	USD
CY2017Q3	us-gaap	Interest Expense InterestExpense	12444000	USD
	us-gaap	Interest Expense InterestExpense	33713000	USD
CY2018Q3	us-gaap	Interest Expense InterestExpense	16497000	USD
	us-gaap	Interest Expense InterestExpense	44776000	USD
CY2017Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	6663000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	15352000	USD
CY2018Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	10931000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	27971000	USD
CY2017Q3	us-gaap	Interest Expense Federal Funds Purchased InterestExpenseFederalFundsPurchased	0	USD
	us-gaap	Interest Expense Federal Funds Purchased InterestExpenseFederalFundsPurchased	42000	USD
CY2018Q3	us-gaap	Interest Expense Federal Funds Purchased InterestExpenseFederalFundsPurchased	33000	USD
	us-gaap	Interest Expense Federal Funds Purchased InterestExpenseFederalFundsPurchased	169000	USD
CY2017Q3	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	1117000	USD
	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	3327000	USD
CY2018Q3	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	838000	USD
	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	2731000	USD
CY2017Q3	us-gaap	Interest Expense Securities Sold Under Agreements To Repurchase InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase	4664000	USD
	us-gaap	Interest Expense Securities Sold Under Agreements To Repurchase InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase	14928000	USD
CY2018Q3	us-gaap	Interest Expense Securities Sold Under Agreements To Repurchase InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase	4667000	USD
	us-gaap	Interest Expense Securities Sold Under Agreements To Repurchase InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase	13848000	USD
CY2017Q3	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	0	USD
	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	64000	USD
CY2018Q3	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	28000	USD
	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	57000	USD
CY2017Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	5000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	12000	USD
CY2018Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	10000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	24000	USD
CY2017Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	112317000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	325818000	USD
CY2018Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	119127000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	350954000	USD
CY2017Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	116317000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	338468000	USD
CY2018Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	122927000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	362379000	USD
CY2017Q3	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	1579000	USD
	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	3165000	USD
CY2018Q3	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	1393000	USD
	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	2996000	USD
CY2017Q3	us-gaap	Interest Income Operating InterestIncomeOperating	32321000	USD
	us-gaap	Interest Income Operating InterestIncomeOperating	94864000	USD
CY2018Q3	us-gaap	Interest Income Operating InterestIncomeOperating	33409000	USD
	us-gaap	Interest Income Operating InterestIncomeOperating	99937000	USD
CY2017Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	4880000	USD

CY2017Q3

boh

Affordable Housing Tax Credits Proportional Amortization Method

AffordableHousingTaxCreditsProportionalAmortizationMethod

440000

USD

boh

Affordable Housing Tax Credits Proportional Amortization Method

AffordableHousingTaxCreditsProportionalAmortizationMethod

1201000

USD

CY2018Q3

boh

Affordable Housing Tax Credits Proportional Amortization Method

AffordableHousingTaxCreditsProportionalAmortizationMethod

410000

USD

boh

Affordable Housing Tax Credits Proportional Amortization Method

AffordableHousingTaxCreditsProportionalAmortizationMethod

1231000

USD

CY2017

boh

Availablecommitmentsunder Revolving Credit Lines Modifiedas Tdr

AvailablecommitmentsunderRevolvingCreditLinesModifiedasTDR

1500000

USD

boh

Availablecommitmentsunder Revolving Credit Lines Modifiedas Tdr

AvailablecommitmentsunderRevolvingCreditLinesModifiedasTDR

100000

USD

CY2017Q4

boh

Carrying Value Of Investment Securities Pledged

CarryingValueOfInvestmentSecuritiesPledged

2400000000

USD

CY2018Q3

boh

Carrying Value Of Investment Securities Pledged

CarryingValueOfInvestmentSecuritiesPledged

2500000000

USD

CY2017Q4

boh

Earning Assets

EarningAssets

16054815000

USD

CY2018Q3

boh

Earning Assets

EarningAssets

15962533000

USD

CY2017Q3

boh

Fair Value Net Derivative Asset Liability Measuredon Recurring Basis Unobservable Inputs Reconciliation Transfersto Loans Held For Sale

FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationTransferstoLoansHeldForSale

1631000

USD

boh

Fair Value Net Derivative Asset Liability Measuredon Recurring Basis Unobservable Inputs Reconciliation Transfersto Loans Held For Sale

FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationTransferstoLoansHeldForSale

4581000

USD

CY2018Q3

boh

Fair Value Net Derivative Asset Liability Measuredon Recurring Basis Unobservable Inputs Reconciliation Transfersto Loans Held For Sale

FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationTransferstoLoansHeldForSale

1012000

USD

boh

Fair Value Net Derivative Asset Liability Measuredon Recurring Basis Unobservable Inputs Reconciliation Transfersto Loans Held For Sale

FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationTransferstoLoansHeldForSale

2591000

USD

CY2017Q3

boh

Fair Value Net Derivative Asset Liability Measuredon Recurring Basis Unobservable Inputs Reconciliation Unrealized Gain Loss Includedin Net Income Relatedto Assets Still Held

FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationUnrealizedGainLossIncludedinNetIncomeRelatedtoAssetsStillHeld

1315000

USD

boh

Fair Value Net Derivative Asset Liability Measuredon Recurring Basis Unobservable Inputs Reconciliation Unrealized Gain Loss Includedin Net Income Relatedto Assets Still Held

FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationUnrealizedGainLossIncludedinNetIncomeRelatedtoAssetsStillHeld

1315000

USD

CY2018Q3

boh

Fair Value Net Derivative Asset Liability Measuredon Recurring Basis Unobservable Inputs Reconciliation Unrealized Gain Loss Includedin Net Income Relatedto Assets Still Held

FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationUnrealizedGainLossIncludedinNetIncomeRelatedtoAssetsStillHeld

-184000

USD

boh

Fair Value Net Derivative Asset Liability Measuredon Recurring Basis Unobservable Inputs Reconciliation Unrealized Gain Loss Includedin Net Income Relatedto Assets Still Held

FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationUnrealizedGainLossIncludedinNetIncomeRelatedtoAssetsStillHeld

-184000

USD

boh

Federal And State Effective Tax Rate Used For Segment Reporting

FederalAndStateEffectiveTaxRateUsedForSegmentReporting

0.26

CY2017Q3

boh

Feeand Commission Fiduciaryand Trust Activities

FeeandCommissionFiduciaryandTrustActivities

11050000

USD

boh

Feeand Commission Fiduciaryand Trust Activities

FeeandCommissionFiduciaryandTrustActivities

34325000

USD

CY2018Q3

boh

Feeand Commission Fiduciaryand Trust Activities

FeeandCommissionFiduciaryandTrustActivities

10782000

USD

boh

Feeand Commission Fiduciaryand Trust Activities

FeeandCommissionFiduciaryandTrustActivities

33319000

USD

CY2017Q3

boh

Fees Exchange And Other Service Charges

FeesExchangeAndOtherServiceCharges

13764000

USD

boh

Fees Exchange And Other Service Charges

FeesExchangeAndOtherServiceCharges

41061000

USD

CY2018Q3

boh

Fees Exchange And Other Service Charges

FeesExchangeAndOtherServiceCharges

14173000

USD

boh

Fees Exchange And Other Service Charges

FeesExchangeAndOtherServiceCharges

42906000

USD

CY2017Q3

boh

Financing Receivable Modifications Impact On Allowance

FinancingReceivableModificationsImpactOnAllowance

162000

USD

boh

Financing Receivable Modifications Impact On Allowance

FinancingReceivableModificationsImpactOnAllowance

287000

USD

CY2018Q3

boh

Financing Receivable Modifications Impact On Allowance

FinancingReceivableModificationsImpactOnAllowance

116000

USD

boh

Financing Receivable Modifications Impact On Allowance

FinancingReceivableModificationsImpactOnAllowance

285000

USD

CY2017Q4

boh

Financing Receivable Recorded Investment Nonaccrual Status Current

FinancingReceivableRecordedInvestmentNonaccrualStatusCurrent

2896000

USD

CY2018Q3

boh

Financing Receivable Recorded Investment Nonaccrual Status Current

FinancingReceivableRecordedInvestmentNonaccrualStatusCurrent

2417000

USD

boh

Financing Receivable Recorded Investment Nonaccrual Status Current Number Of Days Not Past Due

FinancingReceivableRecordedInvestmentNonaccrualStatusCurrentNumberOfDaysNotPastDue

P30D

CY2017Q4

boh

Financing Receivable Recorded Investment Past Due And Nonaccrual Status

FinancingReceivableRecordedInvestmentPastDueAndNonaccrualStatus

61352000

USD

CY2018Q3

boh

Financing Receivable Recorded Investment Past Due And Nonaccrual Status

FinancingReceivableRecordedInvestmentPastDueAndNonaccrualStatus

54609000

USD

CY2017Q3

boh

Interest And Fee Income For Loans And Leases

InterestAndFeeIncomeForLoansAndLeases

94621000

USD

boh

Interest And Fee Income For Loans And Leases

InterestAndFeeIncomeForLoansAndLeases

273467000

USD

CY2018Q3

boh

Interest And Fee Income For Loans And Leases

InterestAndFeeIncomeForLoansAndLeases

104248000

USD

boh

Interest And Fee Income For Loans And Leases

InterestAndFeeIncomeForLoansAndLeases

303193000

USD

CY2017Q3

boh

Mortgage Banking Income

MortgageBankingIncome

3237000

USD

boh

Mortgage Banking Income

MortgageBankingIncome

10356000

USD

CY2018Q3

boh

Mortgage Banking Income

MortgageBankingIncome

1965000

USD

boh

Mortgage Banking Income

MortgageBankingIncome

6289000

USD

boh

Municipal Debt Securities Issuedby One Single Stateor Political Subdivisionas Percentageof Total Fair Valueof Entire Municipal Debt Securities Threshold

MunicipalDebtSecuritiesIssuedbyOneSingleStateorPoliticalSubdivisionasPercentageofTotalFairValueofEntireMunicipalDebtSecuritiesThreshold

0.10

CY2017Q3

boh

Net Unrealized Gain Losson Investment Securitiesnetoftax

NetUnrealizedGainLossonInvestmentSecuritiesnetoftax

444000

USD

boh

Net Unrealized Gain Losson Investment Securitiesnetoftax

NetUnrealizedGainLossonInvestmentSecuritiesnetoftax

8444000

USD

CY2018Q3

boh

Net Unrealized Gain Losson Investment Securitiesnetoftax

NetUnrealizedGainLossonInvestmentSecuritiesnetoftax

-5599000

USD

boh

Net Unrealized Gain Losson Investment Securitiesnetoftax

NetUnrealizedGainLossonInvestmentSecuritiesnetoftax

-17694000

USD

CY2018Q3

boh

Number Of Investment Securities In Unrealized Loss Position

NumberOfInvestmentSecuritiesInUnrealizedLossPosition

520

security

CY2017Q3

boh

Other Comprehensive Income Reclassification Adjustmentfor Amortizationof Gainson Held To Maturity Securitiesafter Tax

OtherComprehensiveIncomeReclassificationAdjustmentforAmortizationofGainsonHeldToMaturitySecuritiesafterTax

-301000

USD

boh

Other Comprehensive Income Reclassification Adjustmentfor Amortizationof Gainson Held To Maturity Securitiesafter Tax

OtherComprehensiveIncomeReclassificationAdjustmentforAmortizationofGainsonHeldToMaturitySecuritiesafterTax

-903000

USD

CY2018Q3

boh

Other Comprehensive Income Reclassification Adjustmentfor Amortizationof Gainson Held To Maturity Securitiesafter Tax

OtherComprehensiveIncomeReclassificationAdjustmentforAmortizationofGainsonHeldToMaturitySecuritiesafterTax

-350000

USD

boh

Other Comprehensive Income Reclassification Adjustmentfor Amortizationof Gainson Held To Maturity Securitiesafter Tax

OtherComprehensiveIncomeReclassificationAdjustmentforAmortizationofGainsonHeldToMaturitySecuritiesafterTax

-1259000

USD

CY2017Q3

boh

Other Comprehensive Income Reclassification Adjustmentfor Amortizationof Held To Maturityholding Gainsbefore Tax

OtherComprehensiveIncomeReclassificationAdjustmentforAmortizationofHeldToMaturityholdingGainsbeforeTax

-497000

USD

boh

Other Comprehensive Income Reclassification Adjustmentfor Amortizationof Held To Maturityholding Gainsbefore Tax

OtherComprehensiveIncomeReclassificationAdjustmentforAmortizationofHeldToMaturityholdingGainsbeforeTax

-1492000

USD

CY2018Q3

boh

Other Comprehensive Income Reclassification Adjustmentfor Amortizationof Held To Maturityholding Gainsbefore Tax

OtherComprehensiveIncomeReclassificationAdjustmentforAmortizationofHeldToMaturityholdingGainsbeforeTax

-476000

USD

boh

Other Comprehensive Income Reclassification Adjustmentfor Amortizationof Held To Maturityholding Gainsbefore Tax

OtherComprehensiveIncomeReclassificationAdjustmentforAmortizationofHeldToMaturityholdingGainsbeforeTax

-1712000

USD

CY2017Q3

boh

Other Comprehensive Income Unrealized Losses On Investment Securities Before Tax

OtherComprehensiveIncomeUnrealizedLossesOnInvestmentSecuritiesBeforeTax

733000

USD

boh

Other Comprehensive Income Unrealized Losses On Investment Securities Before Tax

OtherComprehensiveIncomeUnrealizedLossesOnInvestmentSecuritiesBeforeTax

13950000

USD

CY2018Q3

boh

Other Comprehensive Income Unrealized Losses On Investment Securities Before Tax

OtherComprehensiveIncomeUnrealizedLossesOnInvestmentSecuritiesBeforeTax

-7610000

USD

boh

Other Comprehensive Income Unrealized Losses On Investment Securities Before Tax

OtherComprehensiveIncomeUnrealizedLossesOnInvestmentSecuritiesBeforeTax

-24053000

USD

CY2017Q3

boh

Proportional Amortization Method Qualified Affordable Housing Project Investments Amortization

ProportionalAmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization

358000

USD

boh

Proportional Amortization Method Qualified Affordable Housing Project Investments Amortization

ProportionalAmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization

969000

USD

CY2018Q3

boh

Proportional Amortization Method Qualified Affordable Housing Project Investments Amortization

ProportionalAmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization

333000

USD

boh

Proportional Amortization Method Qualified Affordable Housing Project Investments Amortization

ProportionalAmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization

999000

USD

CY2018Q3

boh

Qualified Affordable Housing Project Investments Commitment Payments After Year Five

QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsAfterYearFive

703000

USD

CY2018Q3

boh

Qualified Affordable Housing Project Investments Commitment Payments Remainderof Fiscal Year

QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsRemainderofFiscalYear

5385000

USD

CY2018Q3

boh

Qualified Affordable Housing Project Investments Commitment Payments Year Five

QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsYearFive

55000

USD

CY2018Q3

boh

Qualified Affordable Housing Project Investments Commitment Payments Year Four

QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsYearFour

45000

USD

CY2018Q3

boh

Qualified Affordable Housing Project Investments Commitment Payments Year Three

QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsYearThree

84000

USD

CY2018Q3

boh

Qualified Affordable Housing Project Investments Commitment Payments Year Two

QualifiedAffordableHousingProjectInvestmentsCommitmentPaymentsYearTwo

9114000

USD

boh

Reclassificationofthe Income Tax Effectofthe Tax Reformfrom Aoc Ito Re

ReclassificationoftheIncomeTaxEffectoftheTaxReformfromAOCItoRE

0

USD

CY2017Q4

boh

Residential Mortgage Loans Serviced For Third Parties

ResidentialMortgageLoansServicedForThirdParties

2900000000

USD

CY2018Q3

boh

Residential Mortgage Loans Serviced For Third Parties

ResidentialMortgageLoansServicedForThirdParties

2900000000

USD

CY2017Q3

boh

Service Charges On Deposit Accounts

ServiceChargesOnDepositAccounts

8188000

USD

boh

Service Charges On Deposit Accounts

ServiceChargesOnDepositAccounts

24522000

USD

CY2018Q3

boh

Service Charges On Deposit Accounts

ServiceChargesOnDepositAccounts

7255000

USD

boh

Service Charges On Deposit Accounts

ServiceChargesOnDepositAccounts

21249000

USD

boh

Stock Issued During Period Value Purchase And Equity Compensation Plans

StockIssuedDuringPeriodValuePurchaseAndEquityCompensationPlans

11739000

USD

boh

Stock Issued During Period Value Purchase And Equity Compensation Plans

StockIssuedDuringPeriodValuePurchaseAndEquityCompensationPlans

6233000

USD

boh

Taxeffecton Unrealizedgainlosson Investment Securities

TaxeffectonUnrealizedgainlossonInvestmentSecurities

5506000

USD

CY2017Q4

boh

Tax Cutsand Jobs Actof2017 Incomplete Accounting Changein Tax Rate Deferred Tax Liability Provisional Income Tax Expense Benefit

TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxLiabilityProvisionalIncomeTaxExpenseBenefit

-3600000

USD

CY2018Q1

boh

Tax Cutsand Jobs Actof2017 Incomplete Accounting Changein Tax Rate Deferred Tax Liability Provisional Income Tax Expense Benefit

TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxLiabilityProvisionalIncomeTaxExpenseBenefit

-100000

USD

CY2018Q3

boh

Tax Cutsand Jobs Actof2017 Incomplete Accounting Changein Tax Rate Deferred Tax Liability Provisional Income Tax Expense Benefit

TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxLiabilityProvisionalIncomeTaxExpenseBenefit

-300000

USD

CY2018Q1

boh

Tax Cutsand Jobs Actof2017 Incomplete Accounting Changein Tax Rate Low Income Housing Investment Basis Adjustment Provisional Income Tax Expense Benefit

TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateLowIncomeHousingInvestmentBasisAdjustmentProvisionalIncomeTaxExpenseBenefit

2000000

USD

boh

Tax Cutsand Jobs Actof2017 Incomplete Accounting Changein Tax Rate Low Income Housing Investment Basis Adjustment Provisional Income Tax Expense Benefit

TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateLowIncomeHousingInvestmentBasisAdjustmentProvisionalIncomeTaxExpenseBenefit

2000000

USD

CY2017Q3

boh

Taxeffecton Unrealizedgainlosson Investment Securities

TaxeffectonUnrealizedgainlossonInvestmentSecurities

289000

USD

CY2018Q3

boh

Taxeffecton Unrealizedgainlosson Investment Securities

TaxeffectonUnrealizedgainlossonInvestmentSecurities

-2011000

USD

boh

Taxeffecton Unrealizedgainlosson Investment Securities

TaxeffectonUnrealizedgainlossonInvestmentSecurities

-6359000

USD

CY2017Q4

boh

Taxes Payable And Deferred Taxes

TaxesPayableAndDeferredTaxes

24009000

USD

CY2018Q3

boh

Taxes Payable And Deferred Taxes

TaxesPayableAndDeferredTaxes

15549000

USD

CY2017Q3

boh

Thetaxeffectofothercomprehensiveincomereclassificationforamortizationofholdinggainslosseson Htm Securitiestaxeffect.

ThetaxeffectofothercomprehensiveincomereclassificationforamortizationofholdinggainslossesonHTMSecuritiestaxeffect.

-196000

USD

boh

Thetaxeffectofothercomprehensiveincomereclassificationforamortizationofholdinggainslosseson Htm Securitiestaxeffect.

ThetaxeffectofothercomprehensiveincomereclassificationforamortizationofholdinggainslossesonHTMSecuritiestaxeffect.

-589000

USD

CY2018Q3

boh

Thetaxeffectofothercomprehensiveincomereclassificationforamortizationofholdinggainslosseson Htm Securitiestaxeffect.

ThetaxeffectofothercomprehensiveincomereclassificationforamortizationofholdinggainslossesonHTMSecuritiestaxeffect.

-126000

USD

boh

Thetaxeffectofothercomprehensiveincomereclassificationforamortizationofholdinggainslosseson Htm Securitiestaxeffect.

ThetaxeffectofothercomprehensiveincomereclassificationforamortizationofholdinggainslossesonHTMSecuritiestaxeffect.

-453000

USD

CY2017Q3

boh

Variationmarginpaymentsforswapliabilities

-16000

USD

boh

Variationmarginpaymentsforswapliabilities

374000

USD

CY2018Q3

boh

Variationmarginpaymentsforswapliabilities

293000

USD

boh

Variationmarginpaymentsforswapliabilities

721000

USD

dei

Amendment Flag

AmendmentFlag

false

dei

Current Fiscal Year End Date

CurrentFiscalYearEndDate

--12-31

dei

Document Fiscal Period Focus

DocumentFiscalPeriodFocus

Q3

dei

Document Fiscal Year Focus

DocumentFiscalYearFocus

2018

dei

Document Period End Date

DocumentPeriodEndDate

2018-09-30

dei

Document Type

DocumentType

10-Q

dei

Entity Central Index Key

EntityCentralIndexKey

0000046195

CY2018Q4

dei

Entity Common Stock Shares Outstanding

EntityCommonStockSharesOutstanding

41752644

shares

dei

Entity Current Reporting Status

EntityCurrentReportingStatus

Yes

dei

Entity Emerging Growth Company

EntityEmergingGrowthCompany

false

dei

Entity Filer Category

EntityFilerCategory

Large Accelerated Filer

dei

Entity Registrant Name

EntityRegistrantName

BANK OF HAWAII CORP

dei

Entity Small Business

EntitySmallBusiness

false

us-gaap

Accretion Amortization Of Discounts And Premiums Investments

AccretionAmortizationOfDiscountsAndPremiumsInvestments

-29685000

USD

us-gaap

Accretion Amortization Of Discounts And Premiums Investments

AccretionAmortizationOfDiscountsAndPremiumsInvestments

-25633000

USD

CY2017Q4

us-gaap

Accumulated Other Comprehensive Income Loss Net Of Tax

AccumulatedOtherComprehensiveIncomeLossNetOfTax

-34715000

USD

CY2018Q3

us-gaap

Accumulated Other Comprehensive Income Loss Net Of Tax

AccumulatedOtherComprehensiveIncomeLossNetOfTax

-59238000

USD

CY2017Q4

us-gaap

Additional Paid In Capital Common Stock

AdditionalPaidInCapitalCommonStock

561161000

USD

CY2018Q3

us-gaap

Additional Paid In Capital Common Stock

AdditionalPaidInCapitalCommonStock

569223000

USD

us-gaap

Affordable Housing Project Investment Write Down Amount

AffordableHousingProjectInvestmentWriteDownAmount

0

USD

us-gaap

Affordable Housing Project Investment Write Down Amount

AffordableHousingProjectInvestmentWriteDownAmount

0

USD

CY2017Q3

us-gaap

Affordable Housing Tax Credits And Other Tax Benefits Amount

AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount

3414000

USD

us-gaap

Affordable Housing Tax Credits And Other Tax Benefits Amount

AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount

10282000

USD

CY2018Q3

us-gaap

Affordable Housing Tax Credits And Other Tax Benefits Amount

AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount

3380000

USD

us-gaap

Affordable Housing Tax Credits And Other Tax Benefits Amount

AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount

10192000

USD

CY2017Q3

us-gaap

Allowance For Loan And Lease Loss Recovery Of Bad Debts

AllowanceForLoanAndLeaseLossRecoveryOfBadDebts

2746000

USD

us-gaap

Allowance For Loan And Lease Loss Recovery Of Bad Debts

AllowanceForLoanAndLeaseLossRecoveryOfBadDebts

7367000

USD

us-gaap

Allowance For Loan And Lease Loss Recovery Of Bad Debts

AllowanceForLoanAndLeaseLossRecoveryOfBadDebts

7595000

USD

CY2018Q3

us-gaap

Allowance For Loan And Lease Loss Recovery Of Bad Debts

AllowanceForLoanAndLeaseLossRecoveryOfBadDebts

2729000

USD

us-gaap

Amortization Method Qualified Affordable Housing Project Investments Amortization

AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization

6403000

USD

CY2017Q3

us-gaap

Allowance For Loan And Lease Losses Writeoffs Net

AllowanceForLoanAndLeaseLossesWriteoffsNet

3472000

USD

us-gaap

Allowance For Loan And Lease Losses Writeoffs Net

AllowanceForLoanAndLeaseLossesWriteoffsNet

10042000

USD

CY2018Q3

us-gaap

Allowance For Loan And Lease Losses Writeoffs Net

AllowanceForLoanAndLeaseLossesWriteoffsNet

3298000

USD

us-gaap

Allowance For Loan And Lease Losses Writeoffs Net

AllowanceForLoanAndLeaseLossesWriteoffsNet

10081000

USD

CY2017Q4

us-gaap

Amortization Method Qualified Affordable Housing Project Investments

AmortizationMethodQualifiedAffordableHousingProjectInvestments

71700000

USD

CY2018Q3

us-gaap

Amortization Method Qualified Affordable Housing Project Investments

AmortizationMethodQualifiedAffordableHousingProjectInvestments

68100000

USD

CY2017Q3

us-gaap

Amortization Method Qualified Affordable Housing Project Investments Amortization

AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization

2105000

USD

CY2018Q3

us-gaap

Amortization Method Qualified Affordable Housing Project Investments Amortization

AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization

2078000

USD

us-gaap

Amortization Method Qualified Affordable Housing Project Investments Amortization

AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization

6233000

USD

us-gaap

Amortization Of Deferred Loan Origination Fees Net

AmortizationOfDeferredLoanOriginationFeesNet

744000

USD

us-gaap

Amortization Of Deferred Loan Origination Fees Net

AmortizationOfDeferredLoanOriginationFeesNet

330000

USD

CY2017Q3

us-gaap

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

1070

shares

us-gaap

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

363

shares

CY2018Q3

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

CY2017Q3

us-gaap

Assets

17268302000

USD

CY2017Q4

us-gaap

Assets

17089052000

USD

CY2018Q3

us-gaap

Assets

16991734000

USD

CY2017Q4

us-gaap

Available For Sale Securities

AvailableForSaleSecurities

2232979000

USD

CY2018Q3

us-gaap

Available For Sale Securities

AvailableForSaleSecurities

2049687000

USD

CY2017Q4

us-gaap

Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax

AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

15695000

USD

CY2018Q3

us-gaap

Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax

AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

6959000

USD

CY2017Q4

us-gaap

Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax

AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

18860000

USD

CY2018Q3

us-gaap

Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax

AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

35889000

USD

CY2017Q4

us-gaap

Available For Sale Securities Amortized Cost

AvailableForSaleSecuritiesAmortizedCost

2236144000

USD

CY2018Q3

us-gaap

Available For Sale Securities Amortized Cost

AvailableForSaleSecuritiesAmortizedCost

2078617000

USD

CY2017Q4

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss

AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

11490000

USD

CY2018Q3

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss

AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

29482000

USD

CY2017Q4

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss

18860000

USD

CY2018Q3

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss

35889000

USD

CY2017Q4

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Fair Value

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue

1285531000

USD

CY2018Q3

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Fair Value

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue

1487687000

USD

CY2017Q4

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

7370000

USD

CY2018Q3

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

6407000

USD

CY2017Q4

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue

729547000

USD

CY2018Q3

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue

615865000

USD

CY2017Q4

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue

555984000

USD

CY2018Q3

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue

871822000

USD

CY2018Q3

us-gaap

Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis

AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis

51919000

USD

CY2018Q3

us-gaap

Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value

AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue

51866000

USD

CY2018Q3

us-gaap

Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis

AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis

22912000

USD

CY2018Q3

us-gaap

Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value

AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue

23568000

USD

CY2018Q3

us-gaap

Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis

AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis

94253000

USD

CY2018Q3

us-gaap

Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value

AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue

95875000

USD

CY2018Q3

us-gaap

Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis

AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis

631703000

USD

CY2018Q3

us-gaap

Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value

AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue

630347000

USD

CY2018Q3

us-gaap

Available For Sale Securities Debt Maturities Single Maturity Date

AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate

801656000

USD

CY2018Q3

us-gaap

Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis

AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis

800787000

USD

CY2017Q4

us-gaap

Bank Owned Life Insurance

BankOwnedLifeInsurance

280034000

USD

CY2018Q3

us-gaap

Bank Owned Life Insurance

BankOwnedLifeInsurance

282637000

USD

CY2017Q3

us-gaap

Bank Owned Life Insurance Income

BankOwnedLifeInsuranceIncome

1861000

USD

us-gaap

Bank Owned Life Insurance Income

BankOwnedLifeInsuranceIncome

4908000

USD

CY2018Q3

us-gaap

Bank Owned Life Insurance Income

BankOwnedLifeInsuranceIncome

1620000

USD

us-gaap

Bank Owned Life Insurance Income

BankOwnedLifeInsuranceIncome

5258000

USD

CY2016Q4

us-gaap

Cash And Cash Equivalents At Carrying Value

CashAndCashEquivalentsAtCarryingValue

879607000

USD

CY2017Q3

us-gaap

Cash And Cash Equivalents At Carrying Value

CashAndCashEquivalentsAtCarryingValue

761516000

USD

CY2017Q4

us-gaap

Cash And Cash Equivalents At Carrying Value

CashAndCashEquivalentsAtCarryingValue

447851000

USD

CY2018Q3

us-gaap

Cash And Cash Equivalents At Carrying Value

CashAndCashEquivalentsAtCarryingValue

334973000

USD

CY2017Q3

us-gaap

Common Stock Dividends Per Share Declared

CommonStockDividendsPerShareDeclared

0.52

us-gaap

Common Stock Dividends Per Share Declared

CommonStockDividendsPerShareDeclared

1.52

CY2018Q3

us-gaap

Common Stock Dividends Per Share Declared

CommonStockDividendsPerShareDeclared

0.60

us-gaap

Common Stock Dividends Per Share Declared

CommonStockDividendsPerShareDeclared

1.72

CY2017Q4

us-gaap

Common Stock Par Or Stated Value Per Share

CommonStockParOrStatedValuePerShare

0.01

CY2018Q3

us-gaap

Common Stock Par Or Stated Value Per Share

CommonStockParOrStatedValuePerShare

0.01

CY2017Q4

us-gaap

Common Stock Shares Authorized

CommonStockSharesAuthorized

500000000

shares

CY2018Q3

us-gaap

Common Stock Shares Authorized

CommonStockSharesAuthorized

500000000

shares

CY2017Q4

us-gaap

Common Stock Shares Issued

CommonStockSharesIssued

57959074

shares

CY2018Q3

us-gaap

Common Stock Shares Issued

CommonStockSharesIssued

58070578

shares

CY2017Q4

us-gaap

Common Stock Shares Outstanding

CommonStockSharesOutstanding

42401443

shares

CY2018Q3

us-gaap

Common Stock Shares Outstanding

CommonStockSharesOutstanding

41809551

shares

CY2017Q4

us-gaap

Common Stock Value

CommonStockValue

576000

USD

CY2018Q3

us-gaap

Common Stock Value

CommonStockValue

577000

USD

CY2017Q3

us-gaap

Communications And Information Technology

CommunicationsAndInformationTechnology

3882000

USD

us-gaap

Communications And Information Technology

CommunicationsAndInformationTechnology

11173000

USD

CY2018Q3

us-gaap

Communications And Information Technology

CommunicationsAndInformationTechnology

4241000

USD

us-gaap

Communications And Information Technology

CommunicationsAndInformationTechnology

12695000

USD

CY2017Q3

us-gaap

Comprehensive Income Net Of Tax

ComprehensiveIncomeNetOfTax

46471000

USD

us-gaap

Comprehensive Income Net Of Tax

ComprehensiveIncomeNetOfTax

150602000

USD

CY2018Q3

us-gaap

Comprehensive Income Net Of Tax

ComprehensiveIncomeNetOfTax

51550000

USD

us-gaap

Comprehensive Income Net Of Tax

ComprehensiveIncomeNetOfTax

148645000

USD

CY2017Q3

us-gaap

Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets

ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets

1800000

USD

us-gaap

Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets

ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets

5300000

USD

CY2018Q3

us-gaap

Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets

ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets

1800000

USD

us-gaap

Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets

ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets

5400000

USD

CY2017Q3

us-gaap

Debt And Equity Securities Gain Loss

DebtAndEquitySecuritiesGainLoss

-566000

USD

us-gaap

Debt And Equity Securities Gain Loss

DebtAndEquitySecuritiesGainLoss

11047000

USD

CY2018Q3

us-gaap

Debt And Equity Securities Gain Loss

DebtAndEquitySecuritiesGainLoss

-729000

USD

us-gaap

Debt And Equity Securities Gain Loss

DebtAndEquitySecuritiesGainLoss

-3097000

USD

us-gaap

Deferred Income Tax Expense Benefit

DeferredIncomeTaxExpenseBenefit

3871000

USD

us-gaap

Deferred Income Tax Expense Benefit

DeferredIncomeTaxExpenseBenefit

-6557000

USD

CY2017Q4

us-gaap

Deposits

14883968000

USD

CY2018Q3

us-gaap

Deposits

14843335000

USD

CY2017Q4

us-gaap

Deposits Savings Deposits

DepositsSavingsDeposits

5389013000

USD

CY2018Q3

us-gaap

Deposits Savings Deposits

DepositsSavingsDeposits

5444053000

USD

us-gaap

Depreciation Nonproduction

DepreciationNonproduction

9832000

USD

us-gaap

Depreciation Nonproduction

DepreciationNonproduction

10512000

USD

CY2017Q3

us-gaap

Derivative Gain Loss On Derivative Net

DerivativeGainLossOnDerivativeNet

1880000

USD

us-gaap

Derivative Gain Loss On Derivative Net

DerivativeGainLossOnDerivativeNet

6440000

USD

CY2018Q3

us-gaap

Derivative Gain Loss On Derivative Net

DerivativeGainLossOnDerivativeNet

2175000

USD

us-gaap

Derivative Gain Loss On Derivative Net

DerivativeGainLossOnDerivativeNet

6306000

USD

CY2017Q4

us-gaap

Derivative Instruments Not Designated As Hedging Instruments Asset At Fair Value

DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue

10518000

USD

CY2018Q3

us-gaap

Derivative Instruments Not Designated As Hedging Instruments Asset At Fair Value

DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue

16793000

USD

CY2017Q4

us-gaap

Derivative Instruments Not Designated As Hedging Instruments Liability At Fair Value

DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue

9693000

USD

CY2018Q3

us-gaap

Derivative Instruments Not Designated As Hedging Instruments Liability At Fair Value

DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue

17509000

USD

us-gaap

Dividends Common Stock Cash

DividendsCommonStockCash

64946000

USD

us-gaap

Dividends Common Stock Cash

DividendsCommonStockCash

72639000

USD

CY2017Q4

us-gaap

Due From Banks

DueFromBanks

263017000

USD

CY2018Q3

us-gaap

Due From Banks

DueFromBanks

227049000

USD

CY2017Q3

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

1.09

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

3.35

CY2018Q3

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

1.37

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

3.96

CY2017Q3

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

1.08

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

3.32

CY2018Q3

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

1.36

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

3.93

CY2017Q3

us-gaap

Equipment Expense

EquipmentExpense

5417000

USD

us-gaap

Equipment Expense

EquipmentExpense

16624000

USD

CY2018Q3

us-gaap

Equipment Expense

EquipmentExpense

6116000

USD

us-gaap

Equipment Expense

EquipmentExpense

17488000

USD

us-gaap

Excess Tax Benefit From Share Based Compensation Operating Activities

ExcessTaxBenefitFromShareBasedCompensationOperatingActivities

-2515000

USD

us-gaap

Excess Tax Benefit From Share Based Compensation Operating Activities

ExcessTaxBenefitFromShareBasedCompensationOperatingActivities

-985000

USD

CY2017Q3

us-gaap

Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss

FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss

0

USD

us-gaap

Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss

FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss

0

USD

CY2018Q3

us-gaap

Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss

FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss

0

USD

us-gaap

Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss

FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss

0

USD

CY2017Q4

us-gaap

Fair Value Disclosure Offbalance Sheet Risks Face Amount Liability

FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability

2859279000

USD

CY2018Q3

us-gaap

Fair Value Disclosure Offbalance Sheet Risks Face Amount Liability

FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability

2988670000

USD

CY2017Q3

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1

-39000

USD

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1

-146000

USD

CY2018Q3

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1

-39000

USD

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1

-127000

USD

CY2016Q4

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue

1655000

USD

CY2017Q2

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue

1548000

USD

CY2017Q3

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue

1509000

USD

CY2017Q4

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue

1454000

USD

CY2018Q2

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue

1366000

USD

CY2018Q3

us-gaap

Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value

FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue

1327000

USD

CY2017Q3

us-gaap

Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings

FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings

1561000

USD

us-gaap

Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings

FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings

4469000

USD

CY2018Q3

us-gaap

Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings

FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings

730000

USD

us-gaap

Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings

FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings

2234000

USD

CY2016Q4

us-gaap

Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs