$RNST
Renasant Corp Stock $rnst

$rnst Overview Financials Valuation SEC Filings Company Website

2015 Q4 Form 10-K Financial Statement

#000071507217000015 Filed on February 27, 2017

Income Statement

Concept	2015 Q4	2015 Q3	2015 Q2
Revenue	$77.79M	$74.30M	$56.77M
YoY Change	39.92%	31.84%	-2.59%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$900.0K	$2.400M	-$1.100M
YoY Change	-62.5%	-57.89%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$5.437M	$5.688M	$5.155M
YoY Change	-3.41%	-4.1%	-16.03%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$31.31M	$23.96M	$22.24M
YoY Change	36.38%	5.83%	6.93%
Income Tax	$10.15M	$7.742M	$6.842M
% Of Pretax Income	32.42%	32.31%	30.77%
Net Earnings	$21.16M	$16.22M	$15.39M
YoY Change	35.67%	4.41%	3.64%
Net Earnings / Revenue	27.2%	21.83%	27.12%
Basic Earnings Per Share	$0.53	$0.40	$0.49
Diluted Earnings Per Share	$0.52	$0.40	$0.48
COMMON SHARES
Basic Shares Outstanding	40.26M shares	40.27M shares	31.63M shares
Diluted Shares Outstanding		40.52M shares	31.87M shares

Balance Sheet

Concept	2015 Q4	2015 Q3	2015 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$211.6M	$203.8M	$155.0M
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	$169.1M	$167.6M	$121.1M
YoY Change	48.7%	53.66%	16.51%
Goodwill	$445.9M	$444.3M	$274.7M
YoY Change	62.31%	61.75%	-0.52%
Intangibles	$28.81M	$30.56M	$20.11M
YoY Change	27.35%	27.6%	-20.61%
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	$7.926B	$7.911B	$5.899B
YoY Change	36.54%	37.54%	1.26%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$422.3M	$402.1M	$64.23M
YoY Change	1203.21%	512.56%	151.83%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$22.00M	$402.0M	$64.00M
YoY Change	266.67%	5642.86%	1180.0%
LONG-TERM LIABILITIES
Long-Term Debt	$95.00M	$150.0M	$155.0M
YoY Change	0.0%	59.57%	64.89%
Other Long-Term Liabilities	$101.0M	$100.0M	$59.00M
YoY Change	53.03%	66.67%	-3.28%
Total Long-Term Liabilities	$196.0M	$250.0M	$214.0M
YoY Change	21.74%	62.34%	38.06%
TOTAL LIABILITIES
Total Short-Term Liabilities	$22.00M	$402.0M	$64.00M
Total Long-Term Liabilities	$196.0M	$250.0M	$214.0M
Total Liabilities	$6.890B	$6.886B	$5.168B
YoY Change	35.26%	36.32%	0.59%
SHAREHOLDERS EQUITY
Retained Earnings	$276.3M	$262.1M	$252.7M
YoY Change	18.66%	17.69%	18.92%
Common Stock	$206.5M	$206.5M	$163.3M
YoY Change	26.44%	26.44%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$22.39M	$22.01M	$21.38M
YoY Change	1.16%	0.42%	-2.58%
Treasury Stock Shares
Shareholders Equity	$1.037B	$1.033B	$731.0M
YoY Change
Total Liabilities & Shareholders Equity	$7.926B	$7.919B	$5.899B
YoY Change	36.54%	37.68%	1.26%

Cashflow Statement

Concept	2015 Q4	2015 Q3	2015 Q2
OPERATING ACTIVITIES
Net Income	$21.16M	$16.22M	$15.39M
YoY Change	35.67%	4.41%	3.64%
Depreciation, Depletion And Amortization	$900.0K	$2.400M	-$1.100M
YoY Change	-62.5%	-57.89%
Cash From Operating Activities	$123.4M	$161.6M	$21.90M
YoY Change	254.6%	429.84%	-43.99%
INVESTING ACTIVITIES
Capital Expenditures	-$5.800M	-$8.200M	-$5.300M
YoY Change	-40.21%	20.59%	55.88%
Acquisitions
YoY Change
Other Investing Activities	-$102.1M	-$85.70M	-$35.30M
YoY Change	187.61%	-416.24%	-34.87%
Cash From Investing Activities	-$107.9M	-$93.80M	-$40.60M
YoY Change	138.72%	-562.07%	-29.51%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-7.800M	-18.90M	-800.0K
YoY Change	-125.57%	-79.12%	-99.21%
NET CHANGE
Cash From Operating Activities	123.4M	161.6M	21.90M
Cash From Investing Activities	-107.9M	-93.80M	-40.60M
Cash From Financing Activities	-7.800M	-18.90M	-800.0K
Net Change In Cash	7.700M	48.90M	-19.50M
YoY Change	-61.69%	-223.17%	-83.8%
FREE CASH FLOW
Cash From Operating Activities	$123.4M	$161.6M	$21.90M
Capital Expenditures	-$5.800M	-$8.200M	-$5.300M
Free Cash Flow	$129.2M	$169.8M	$27.20M
YoY Change	190.34%	355.23%	-36.0%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2016	dei	Amendment Flag AmendmentFlag	false
CY2016	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2016	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2016	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2016
CY2016	dei	Document Period End Date DocumentPeriodEndDate	2016-12-31
CY2016	dei	Document Type DocumentType	10-K
CY2016	dei	Entity Central Index Key EntityCentralIndexKey	0000715072
CY2017Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	44356461	shares
CY2016	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2016	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2016Q2	dei	Entity Public Float EntityPublicFloat	1306566806	USD
CY2016	dei	Entity Registrant Name EntityRegistrantName	RENASANT CORP
CY2016	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2016	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2015	rnst	Additional Losses On Other Real Estate Owned AdditionalLossesOnOtherRealEstateOwned	362000	USD
CY2016	rnst	Additional Losses On Other Real Estate Owned AdditionalLossesOnOtherRealEstateOwned	97000	USD
CY2016	rnst	Adjustmentsto Additional Paidin Capital Sharebased Compensation Shares Vestedthrough Acquired Employee Stock Ownership Plan AdjustmentstoAdditionalPaidinCapitalSharebasedCompensationSharesVestedthroughAcquiredEmployeeStockOwnershipPlan	378000	USD
CY2015	rnst	Affordable Housing Tax Creditsand Other Benefits Netof Amortization AffordableHousingTaxCreditsandOtherBenefitsNetofAmortization	555000	USD
CY2016	rnst	Affordable Housing Tax Creditsand Other Benefits Netof Amortization AffordableHousingTaxCreditsandOtherBenefitsNetofAmortization	592000	USD
CY2014	rnst	Allowance For Loan Losses Recoveries Payable To Federal Deposit Insurance Corporation AllowanceForLoanLossesRecoveriesPayableToFederalDepositInsuranceCorporation	1528000	USD
CY2015	rnst	Allowance For Loan Losses Recoveries Payable To Federal Deposit Insurance Corporation AllowanceForLoanLossesRecoveriesPayableToFederalDepositInsuranceCorporation	1709000	USD
CY2016	rnst	Allowance For Loan Losses Recoveries Payable To Federal Deposit Insurance Corporation AllowanceForLoanLossesRecoveriesPayableToFederalDepositInsuranceCorporation	1191000	USD
CY2014	rnst	Amortization Of Unrealized Holding Gains On Securities Transferred To Held To Maturity Category AmortizationOfUnrealizedHoldingGainsOnSecuritiesTransferredToHeldToMaturityCategory	156000	USD
CY2015	rnst	Amortization Of Unrealized Holding Gains On Securities Transferred To Held To Maturity Category AmortizationOfUnrealizedHoldingGainsOnSecuritiesTransferredToHeldToMaturityCategory	110000	USD
CY2016	rnst	Amortization Of Unrealized Holding Gains On Securities Transferred To Held To Maturity Category AmortizationOfUnrealizedHoldingGainsOnSecuritiesTransferredToHeldToMaturityCategory	61000	USD
CY2016Q4	rnst	Amount Transferable Loans Maximum AmountTransferableLoansMaximum	87191000	USD
CY2014	rnst	Benefit Attributable To Federal Deposit Insurance Corporation Loss Share Agreements BenefitAttributableToFederalDepositInsuranceCorporationLossShareAgreements	6278000	USD
CY2015	rnst	Benefit Attributable To Federal Deposit Insurance Corporation Loss Share Agreements BenefitAttributableToFederalDepositInsuranceCorporationLossShareAgreements	872000	USD
CY2016	rnst	Benefit Attributable To Federal Deposit Insurance Corporation Loss Share Agreements BenefitAttributableToFederalDepositInsuranceCorporationLossShareAgreements	265000	USD
CY2016Q4	rnst	Capital Requiredtobe Significantly Undercapitalizedto Risk Weighted Assets CapitalRequiredtobeSignificantlyUndercapitalizedtoRiskWeightedAssets	0.06
CY2016Q4	rnst	Capital Requiredtobe Undercapitalizedto Risk Weighted Assets CapitalRequiredtobeUndercapitalizedtoRiskWeightedAssets	0.08
CY2015	rnst	Capitalization Of Mortgage Servicing Rights CapitalizationOfMortgageServicingRights	10793000	USD
CY2016	rnst	Capitalization Of Mortgage Servicing Rights CapitalizationOfMortgageServicingRights	18061000	USD
CY2016Q4	rnst	Common Equity Tier One Leverage Capital Required For Capital Adequacy To Average Assets CommonEquityTierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.045
CY2016Q4	rnst	Common Equity Tier One Leverage Capital Required To Be Significantly Undercapitalizedto Average Assets CommonEquityTierOneLeverageCapitalRequiredToBeSignificantlyUndercapitalizedtoAverageAssets	0.03
CY2016Q4	rnst	Common Equity Tier One Leverage Capital Required To Be Undercapitalized To Average Assets CommonEquityTierOneLeverageCapitalRequiredToBeUndercapitalizedToAverageAssets	0.045
CY2016Q4	rnst	Common Equity Tier One Leverage Capital Required To Be Well Capitalized To Average Assets CommonEquityTierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.065
CY2015Q4	rnst	Contractual Balance Impaired Loans Measured At Fair Value On Nonrecurring Basis ContractualBalanceImpairedLoansMeasuredAtFairValueOnNonrecurringBasis	7191000	USD
CY2016Q4	rnst	Contractual Balance Impaired Loans Measured At Fair Value On Nonrecurring Basis ContractualBalanceImpairedLoansMeasuredAtFairValueOnNonrecurringBasis	4406000	USD
CY2015Q4	rnst	Covered Under Loss Share Agreements Other Real Estate Owned And Repossessions CoveredUnderLossShareAgreementsOtherRealEstateOwnedAndRepossessions	22416000	USD
CY2016Q4	rnst	Covered Under Loss Share Agreements Other Real Estate Owned And Repossessions CoveredUnderLossShareAgreementsOtherRealEstateOwnedAndRepossessions	17370000	USD
CY2014	rnst	Decrease In Federal Deposit Insurance Corporation Loss Share Indemnification Asset Net Of Accretion DecreaseInFederalDepositInsuranceCorporationLossShareIndemnificationAssetNetOfAccretion	14399000	USD
CY2015	rnst	Decrease In Federal Deposit Insurance Corporation Loss Share Indemnification Asset Net Of Accretion DecreaseInFederalDepositInsuranceCorporationLossShareIndemnificationAssetNetOfAccretion	4409000	USD
CY2016	rnst	Decrease In Federal Deposit Insurance Corporation Loss Share Indemnification Asset Net Of Accretion DecreaseInFederalDepositInsuranceCorporationLossShareIndemnificationAssetNetOfAccretion	2891000	USD
CY2016	rnst	Deferred Compensation Arrangementwith Individual Including Deferred Stock Unit Plan Numberof Plans DeferredCompensationArrangementwithIndividualIncludingDeferredStockUnitPlanNumberofPlans	3	plan
CY2016	rnst	Deferred Compensation Arrangementwith Individual Numberof Plans DeferredCompensationArrangementwithIndividualNumberofPlans	2	plan
CY2015	rnst	Deferred Gains Amortized Into Net Interest Income DeferredGainsAmortizedIntoNetInterestIncome	0	USD
CY2015Q4	rnst	Deferred Tax Assets Purchase Accounting Adjustments DeferredTaxAssetsPurchaseAccountingAdjustments	26239000	USD
CY2016Q4	rnst	Deferred Tax Assets Purchase Accounting Adjustments DeferredTaxAssetsPurchaseAccountingAdjustments	23240000	USD
CY2015Q4	rnst	Deferred Tax Liability Basis Difference In Acquired Assets DeferredTaxLiabilityBasisDifferenceInAcquiredAssets	1927000	USD
CY2016Q4	rnst	Deferred Tax Liability Basis Difference In Acquired Assets DeferredTaxLiabilityBasisDifferenceInAcquiredAssets	0	USD
CY2015	rnst	Defined Benefit Plan Benefit Obligation Transfertofrom Plan DefinedBenefitPlanBenefitObligationTransfertofromPlan	0	USD
CY2016	rnst	Defined Benefit Plan Benefit Obligation Transfertofrom Plan DefinedBenefitPlanBenefitObligationTransfertofromPlan	0	USD
CY2016	rnst	Defined Contribution Plan Eligible Employee Numberof Hours Minimum DefinedContributionPlanEligibleEmployeeNumberofHoursMinimum	PT1000H
CY2015Q4	rnst	Federal Home Loan Bank Stock Required Investment Amount FederalHomeLoanBankStockRequiredInvestmentAmount	20885000	USD
CY2016Q4	rnst	Federal Home Loan Bank Stock Required Investment Amount FederalHomeLoanBankStockRequiredInvestmentAmount	7611000	USD
CY2016	rnst	Health Care Benefits Eligible Employee Number Of Points Minimum HealthCareBenefitsEligibleEmployeeNumberOfPointsMinimum	70	point
CY2016	rnst	Health Care Benefits Eligible Employee Retirement Agefrom Service Maximum HealthCareBenefitsEligibleEmployeeRetirementAgefromServiceMaximum	P65Y
CY2016	rnst	Health Care Benefits Eligible Employee Retirement Agefrom Service Minimum HealthCareBenefitsEligibleEmployeeRetirementAgefromServiceMinimum	P55Y
CY2016	rnst	Health Care Benefits Eligible Employee Years Of Service Minimum HealthCareBenefitsEligibleEmployeeYearsOfServiceMinimum	P15Y
CY2015Q4	rnst	Heldtomaturitiy Securitiesin Unrealized Loss Positions Qualitative Disclosure Numberof Positions Greaterthanor Equalto One Year HeldtomaturitiySecuritiesinUnrealizedLossPositionsQualitativeDisclosureNumberofPositionsGreaterthanorEqualtoOneYear	15	security
CY2016Q4	rnst	Heldtomaturitiy Securitiesin Unrealized Loss Positions Qualitative Disclosure Numberof Positions Greaterthanor Equalto One Year HeldtomaturitiySecuritiesinUnrealizedLossPositionsQualitativeDisclosureNumberofPositionsGreaterthanorEqualtoOneYear	0	security
CY2015Q4	rnst	Heldtomaturitiy Securitiesin Unrealized Loss Positions Qualitative Disclosure Numberof Positions Lessthan One Year HeldtomaturitiySecuritiesinUnrealizedLossPositionsQualitativeDisclosureNumberofPositionsLessthanOneYear	16	security
CY2016Q4	rnst	Heldtomaturitiy Securitiesin Unrealized Loss Positions Qualitative Disclosure Numberof Positions Lessthan One Year HeldtomaturitiySecuritiesinUnrealizedLossPositionsQualitativeDisclosureNumberofPositionsLessthanOneYear	106	security
CY2015Q4	rnst	Impaired Loans Measured At Fair Value On Nonrecurring Basis ImpairedLoansMeasuredAtFairValueOnNonrecurringBasis	6508000	USD
CY2016Q4	rnst	Impaired Loans Measured At Fair Value On Nonrecurring Basis ImpairedLoansMeasuredAtFairValueOnNonrecurringBasis	4101000	USD
CY2014	rnst	Incentive Compensation Plan Expense IncentiveCompensationPlanExpense	4100000	USD
CY2015	rnst	Incentive Compensation Plan Expense IncentiveCompensationPlanExpense	3608000	USD
CY2016	rnst	Incentive Compensation Plan Expense IncentiveCompensationPlanExpense	2307000	USD
CY2014	rnst	Income Tax Reconciliation Amortization Of Investment In Low Income Housing Tax Credits IncomeTaxReconciliationAmortizationOfInvestmentInLowIncomeHousingTaxCredits	1594000	USD
CY2015	rnst	Income Tax Reconciliation Amortization Of Investment In Low Income Housing Tax Credits IncomeTaxReconciliationAmortizationOfInvestmentInLowIncomeHousingTaxCredits	1734000	USD
CY2016	rnst	Income Tax Reconciliation Amortization Of Investment In Low Income Housing Tax Credits IncomeTaxReconciliationAmortizationOfInvestmentInLowIncomeHousingTaxCredits	1742000	USD
CY2014	rnst	Income Tax Reconciliation Bank Owned Life Insurance IncomeTaxReconciliationBankOwnedLifeInsurance	1045000	USD
CY2015	rnst	Income Tax Reconciliation Bank Owned Life Insurance IncomeTaxReconciliationBankOwnedLifeInsurance	1264000	USD
CY2016	rnst	Income Tax Reconciliation Bank Owned Life Insurance IncomeTaxReconciliationBankOwnedLifeInsurance	1622000	USD
CY2016Q4	rnst	Inter Company Borrowed Funds InterCompanyBorrowedFunds	0	USD
CY2016	rnst	Life Insurance Coverage Age Maximum LifeInsuranceCoverageAgeMaximum	P70Y
CY2016	rnst	Life Insurance Coverage Face Value LifeInsuranceCoverageFaceValue	5000	USD
CY2016	rnst	Life Insurance Coverageat Retiree Expenseafter Age LifeInsuranceCoverageatRetireeExpenseafterAge	P70Y
CY2016Q4	rnst	Loansand Leases Receivable Net Reported Amount Previously Covered LoansandLeasesReceivableNetReportedAmountPreviouslyCovered	28090000	USD
CY2016	rnst	Lock In Period For Interest Rates LockInPeriodForInterestRates	P45D
CY2016	rnst	Minimum Eligible Agefor Medicare Coverage MinimumEligibleAgeforMedicareCoverage	P65Y
CY2016Q4	rnst	Mortgage Servicing Rights Fair Value Disclosure MortgageServicingRightsFairValueDisclosure	26302000	USD
CY2015Q4	rnst	Not Covered Under Loss Share Agreements Other Real Estate Owned And Repossessions NotCoveredUnderLossShareAgreementsOtherRealEstateOwnedAndRepossessions	12986000	USD
CY2016Q4	rnst	Not Covered Under Loss Share Agreements Other Real Estate Owned And Repossessions NotCoveredUnderLossShareAgreementsOtherRealEstateOwnedAndRepossessions	5929000	USD
CY2015Q4	rnst	Not Coveredunder Lossshare Agreements Other Real Estate Ownedand Repossessions Acquired NotCoveredunderLossshareAgreementsOtherRealEstateOwnedandRepossessionsAcquired	22416000	USD
CY2016Q4	rnst	Not Coveredunder Lossshare Agreements Other Real Estate Ownedand Repossessions Acquired NotCoveredunderLossshareAgreementsOtherRealEstateOwnedandRepossessionsAcquired	17370000	USD
CY2016	rnst	Number Of Days Past Due For Discontinued Recognition Of Interest On Mortgage And Commercial Loans NumberOfDaysPastDueForDiscontinuedRecognitionOfInterestOnMortgageAndCommercialLoans	P90D
CY2016	rnst	Number Of Days Past Due When Consumer And Other Retail Loans Charged Off NumberOfDaysPastDueWhenConsumerAndOtherRetailLoansChargedOff	P120D
CY2016	rnst	Number Of Institutions Issuing Debt NumberOfInstitutionsIssuingDebt	250	institution
CY2015	rnst	Number Of Securities Representing Interests In Tranches Of Trusts NumberOfSecuritiesRepresentingInterestsInTranchesOfTrusts	3	security
CY2016	rnst	Number Of Securities Representing Interests In Tranches Of Trusts NumberOfSecuritiesRepresentingInterestsInTranchesOfTrusts	3	Tranche
CY2016	rnst	Number Of Securities Representing Interests In Tranches Of Trusts NumberOfSecuritiesRepresentingInterestsInTranchesOfTrusts	3	security
CY2014	rnst	Numberof Securities Returnto Accrual Status NumberofSecuritiesReturntoAccrualStatus	1	security
CY2015	rnst	Numberof Securities Returnto Accrual Status NumberofSecuritiesReturntoAccrualStatus	1	security
CY2014	rnst	Other Comprehensive Income Loss Reclassification Adjustmentfrom Aoci Pensionand Other Postretirement Benefit Plansfor Net Settlement Gain Realized Netof Tax OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIPensionandOtherPostretirementBenefitPlansforNetSettlementGainRealizedNetofTax	0	USD
CY2015	rnst	Other Comprehensive Income Loss Reclassification Adjustmentfrom Aoci Pensionand Other Postretirement Benefit Plansfor Net Settlement Gain Realized Netof Tax OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIPensionandOtherPostretirementBenefitPlansforNetSettlementGainRealizedNetofTax	0	USD
CY2016	rnst	Other Comprehensive Income Loss Reclassification Adjustmentfrom Aoci Pensionand Other Postretirement Benefit Plansfor Net Settlement Gain Realized Netof Tax OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIPensionandOtherPostretirementBenefitPlansforNetSettlementGainRealizedNetofTax	235000	USD
CY2015	rnst	Other Real Estate Covered Impairments OtherRealEstateCoveredImpairments	2519000	USD
CY2016	rnst	Other Real Estate Covered Impairments OtherRealEstateCoveredImpairments	3115000	USD
CY2015	rnst	Other Real Estate Covered Transfers Of Loans OtherRealEstateCoveredTransfersOfLoans	11642000	USD
CY2016	rnst	Other Real Estate Covered Transfers Of Loans OtherRealEstateCoveredTransfersOfLoans	7935000	USD
CY2015	rnst	Other Real Estate Not Covered Transfers Of Loans OtherRealEstateNotCoveredTransfersOfLoans	3293000	USD
CY2016	rnst	Other Real Estate Not Covered Transfers Of Loans OtherRealEstateNotCoveredTransfersOfLoans	935000	USD
CY2014	rnst	Other Real Estate Owned Impairments OtherRealEstateOwnedImpairments	2434000	USD
CY2015	rnst	Other Real Estate Owned Impairments OtherRealEstateOwnedImpairments	2157000	USD
CY2016	rnst	Other Real Estate Owned Impairments OtherRealEstateOwnedImpairments	3018000	USD
CY2015Q4	rnst	Other Real Estate Owned Measured At Fair Value On Non Recurring Basis OtherRealEstateOwnedMeasuredAtFairValueOnNonRecurringBasis	12839000	USD
CY2016Q4	rnst	Other Real Estate Owned Measured At Fair Value On Non Recurring Basis OtherRealEstateOwnedMeasuredAtFairValueOnNonRecurringBasis	6741000	USD
CY2014	rnst	Other Real Estate Owned Rental Income OtherRealEstateOwnedRentalIncome	191000	USD
CY2015	rnst	Other Real Estate Owned Rental Income OtherRealEstateOwnedRentalIncome	179000	USD
CY2016	rnst	Other Real Estate Owned Rental Income OtherRealEstateOwnedRentalIncome	248000	USD
CY2016Q4	rnst	Other Real Estate Previously Covered OtherRealEstatePreviouslyCovered	487000	USD
CY2015	rnst	Other Real Estate Transfers Of Loans OtherRealEstateTransfersOfLoans	14935000	USD
CY2016	rnst	Other Real Estate Transfers Of Loans OtherRealEstateTransfersOfLoans	8870000	USD
CY2014	rnst	Paymentsto Fdi Cto Terminate Loss Share Agreements PaymentstoFDICtoTerminateLossShareAgreements	0	USD
CY2015	rnst	Paymentsto Fdi Cto Terminate Loss Share Agreements PaymentstoFDICtoTerminateLossShareAgreements	0	USD
CY2016	rnst	Paymentsto Fdi Cto Terminate Loss Share Agreements PaymentstoFDICtoTerminateLossShareAgreements	4849000	USD
CY2016	rnst	Percentage Of Plan Compensation As Nondiscretionary Contribution PercentageOfPlanCompensationAsNondiscretionaryContribution	0.05
CY2016	rnst	Percentage Of Plan Compensation In Excess Of Social Security Wage Base PercentageOfPlanCompensationInExcessOfSocialSecurityWageBase	0.05
CY2014	rnst	Real Estate Owned Financed Salesof Other Real Estate RealEstateOwnedFinancedSalesofOtherRealEstate	860000	USD
CY2015	rnst	Real Estate Owned Financed Salesof Other Real Estate RealEstateOwnedFinancedSalesofOtherRealEstate	1134000	USD
CY2016	rnst	Real Estate Owned Financed Salesof Other Real Estate RealEstateOwnedFinancedSalesofOtherRealEstate	2070000	USD
CY2016Q4	rnst	Regulatory Restrictionson Paymentof Dividends Excess Surplus Ratio RegulatoryRestrictionsonPaymentofDividendsExcessSurplusRatio	10
CY2015	rnst	Reimbursable Expenses Receivable From Fdic ReimbursableExpensesReceivableFromFdic	1170000	USD
CY2016	rnst	Reimbursable Expenses Receivable From Fdic ReimbursableExpensesReceivableFromFdic	0	USD
CY2015Q4	rnst	Reserve Requirements With Federal Reserve ReserveRequirementsWithFederalReserve	55237000	USD
CY2016Q4	rnst	Reserve Requirements With Federal Reserve ReserveRequirementsWithFederalReserve	109044000	USD
CY2016	rnst	Restructured Loans Discontinued Past Due Period RestructuredLoansDiscontinuedPastDuePeriod	P90D
CY2016Q4	rnst	Saleof Mortgage Servicing Rights Outstanding Principle Balanceof Related Mortgage Loan SaleofMortgageServicingRightsOutstandingPrincipleBalanceofRelatedMortgageLoan	1830444000	USD
CY2014Q4	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Unpaid Principle Balance ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueUnpaidPrincipleBalance	1178390000	USD
CY2015Q4	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Unpaid Principle Balance ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueUnpaidPrincipleBalance	3090839000	USD
CY2016Q4	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Unpaid Principle Balance ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueUnpaidPrincipleBalance	2763344000	USD
CY2014	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Coupon Interest Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageCouponInterestRate	0.0384
CY2015	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Coupon Interest Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageCouponInterestRate	0.0397
CY2016	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Coupon Interest Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageCouponInterestRate	0.0383
CY2014	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Remaining Maturity ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageRemainingMaturity	P24Y4M29D
CY2015	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Remaining Maturity ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageRemainingMaturity	P15Y2M23D
CY2016	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Remaining Maturity ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageRemainingMaturity	P11Y1M11D
CY2014	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Servicing Fee ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageServicingFee	0.002504
CY2015	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Servicing Fee ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageServicingFee	0.002504
CY2016	rnst	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Servicing Fee ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageServicingFee	0.002587
CY2016Q4	rnst	Tangible Capital Requiredtobe Critically Undercapitalizedto Total Assets TangibleCapitalRequiredtobeCriticallyUndercapitalizedtoTotalAssets	0.02
CY2016Q4	rnst	Tier One Leverage Capital Requiredtobe Significantly Undercapitalizedto Average Assets TierOneLeverageCapitalRequiredtobeSignificantlyUndercapitalizedtoAverageAssets	0.03
CY2016Q4	rnst	Tier One Leverage Capital Requiredtobe Undercapitalizedto Average Assets TierOneLeverageCapitalRequiredtobeUndercapitalizedtoAverageAssets	0.04
CY2016Q4	rnst	Tier One Risk Based Capital Requiredtobe Significantly Undercapitalizedto Risk Weighted Assets TierOneRiskBasedCapitalRequiredtobeSignificantlyUndercapitalizedtoRiskWeightedAssets	0.04
CY2016Q4	rnst	Tier One Risk Based Capital Requiredtobe Undercapitalizedto Risk Weighted Assets TierOneRiskBasedCapitalRequiredtobeUndercapitalizedtoRiskWeightedAssets	0.06
CY2015Q4	rnst	Unfunded Loan UnfundedLoan	1131842000	USD
CY2016Q4	rnst	Unfunded Loan UnfundedLoan	1263059000	USD
CY2015Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	62155000	USD
CY2016Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	68562000	USD
CY2014Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	17759000	USD
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	16500000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	9490000	USD
CY2014Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-1633000	USD
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-1882000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-1355000	USD
CY2014Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	6250000	USD
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	7418000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	7320000	USD
CY2014Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-7598000	USD
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-9535000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-15904000	USD
CY2014Q4	us-gaap	Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Debt Securities AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecurities	17474000	USD
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Debt Securities AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecurities	16735000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Debt Securities AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecurities	16719000	USD
CY2015Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	585938000	USD
CY2016Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	707408000	USD
CY2014	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	3909000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	4435000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	3117000	USD
CY2014	us-gaap	Advertising Expense AdvertisingExpense	5923000	USD
CY2015	us-gaap	Advertising Expense AdvertisingExpense	6112000	USD
CY2016	us-gaap	Advertising Expense AdvertisingExpense	7080000	USD
CY2015	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	1883000	USD
CY2016	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	1927000	USD
CY2015Q4	us-gaap	Amortization Method Qualified Affordable Housing Project Investments AmortizationMethodQualifiedAffordableHousingProjectInvestments	7666000	USD
CY2016Q4	us-gaap	Amortization Method Qualified Affordable Housing Project Investments AmortizationMethodQualifiedAffordableHousingProjectInvestments	6331000	USD
CY2015	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	1328000	USD
CY2016	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	1335000	USD
CY2014	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5606000	USD
CY2015	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6069000	USD
CY2016	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6747000	USD
CY2015	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	3242000	USD
CY2016	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	2884000	USD
CY2014	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	109068	shares
CY2015	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2016	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2014Q4	us-gaap	Assets Assets	5805129000	USD
CY2015Q4	us-gaap	Assets Assets	7926496000	USD
CY2016Q4	us-gaap	Assets Assets	8699851000	USD
CY2015Q4	us-gaap	Assets Fair Value Disclosure Nonrecurring AssetsFairValueDisclosureNonrecurring	19347000	USD
CY2016Q4	us-gaap	Assets Fair Value Disclosure Nonrecurring AssetsFairValueDisclosureNonrecurring	37144000	USD
CY2015Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	647658000	USD
CY2016Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	686405000	USD
CY2015Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	646805000	USD
CY2016Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	674248000	USD
CY2015Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	8692000	USD
CY2016Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	3908000	USD
CY2015Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	9545000	USD
CY2016Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	16065000	USD
CY2014Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	724000	USD
CY2015Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	1117000	USD
CY2016Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	686405000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	8134000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	7501000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	9545000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	16065000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	309549000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	494619000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1411000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	8564000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	206395000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	427364000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	103154000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	67255000	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	1047000	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	1039000	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	2066000	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	2158000	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	23749000	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	18389000	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	0	USD
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	0	USD
CY2014	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	375000	USD
CY2015	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	96000	USD
CY2016	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	1186000	USD
CY2014	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	375000	USD
CY2015	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	96000	USD
CY2016	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	1257000	USD
CY2014	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	1099000	USD
CY2015	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	1213000	USD
CY2014	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
CY2015	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
CY2016	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	71000	USD
CY2015Q4	us-gaap	Available For Sale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions Less Than One Year AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThanOneYear	70	security
CY2016Q4	us-gaap	Available For Sale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions Less Than One Year AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThanOneYear	184	security
CY2015Q4	us-gaap	Availableforsale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions1 AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1	101	security
CY2016Q4	us-gaap	Availableforsale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions1 AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1	210	security
CY2015Q4	us-gaap	Availableforsale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions Greater Than Or Equal To One Year AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsGreaterThanOrEqualToOneYear	31	security
CY2016Q4	us-gaap	Availableforsale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions Greater Than Or Equal To One Year AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsGreaterThanOrEqualToOneYear	26	security
CY2015Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	141067000	USD
CY2016Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	152305000	USD
CY2014	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2985000	USD
CY2015	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3612000	USD
CY2016	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	4635000	USD
CY2014	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	694000	USD
CY2015	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	11614000	USD
CY2016	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	4023000	USD
CY2014	us-gaap	Business Combination Consideration Transferred Equity Interests Issued And Issuable BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable	0	USD
CY2015	us-gaap	Business Combination Consideration Transferred Equity Interests Issued And Issuable BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable	281530000	USD
CY2016	us-gaap	Business Combination Consideration Transferred Equity Interests Issued And Issuable BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable	55290000	USD
CY2016Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.08
CY2016Q4	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.1
CY2014	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2015	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	24776000	USD
CY2016	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	25263000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	246648000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	161583000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	211571000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	306224000	USD
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-85065000	USD
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	49988000	USD
CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	94653000	USD
CY2015Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	177007000	USD
CY2016Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	160570000	USD
CY2015Q4	us-gaap	Cash Collateral For Borrowed Securities CashCollateralForBorrowedSecurities	1970000	USD
CY2016Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	2072583	shares
CY2014	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.68
CY2015	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.68
CY2016	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.71
CY2015Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	5.00
CY2016Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	5
CY2015Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	75000000	shares
CY2016Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2015Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	41292045	shares
CY2016Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	45107066	shares
CY2015Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	40293291	shares
CY2016Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	44323273	shares
CY2015Q4	us-gaap	Common Stock Value CommonStockValue	206460000	USD
CY2016Q4	us-gaap	Common Stock Value CommonStockValue	225535000	USD
CY2014	us-gaap	Communication Communication	5949000	USD
CY2015	us-gaap	Communication Communication	7278000	USD
CY2016	us-gaap	Communication Communication	8329000	USD
CY2014	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	63957000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	66077000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	84561000	USD
CY2014	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	2129000	USD
CY2015	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	840000	USD
CY2016	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	962000	USD
CY2014	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	16474000	USD
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	17004000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	31679000	USD
CY2014	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	17014000	USD
CY2015	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	17999000	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	33810000	USD
CY2014	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	540000	USD
CY2015	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	995000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2131000	USD
CY2014	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	1383000	USD
CY2015	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	1225000	USD
CY2016	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	1537000	USD
CY2014	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	8649000	USD
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	12625000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	10480000	USD
CY2014	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	9291000	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	13751000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	11037000	USD
CY2015Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	19176000	USD
CY2016Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	14420000	USD
CY2014	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	642000	USD
CY2015	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1126000	USD
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	557000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	81245000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	77052000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	62069000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	62632000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	81245000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	77052000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	3681000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	2867000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	7499000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	7149000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	17060000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	11254000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Impairment Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses	3271000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Impairment Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses	2512000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	17430000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	19934000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	6065000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	10096000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Financing Arrangements DeferredTaxLiabilitiesFinancingArrangements	4287000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Financing Arrangements DeferredTaxLiabilitiesFinancingArrangements	4111000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	3386000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	0	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	2507000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	1556000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	4032000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	3360000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	2364000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	2876000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	673000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	2517000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	27856000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	28012000	USD
CY2015	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	0	USD
CY2016	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	0	USD
CY2015Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	36892000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	25241000	USD
CY2015	us-gaap	Defined Benefit Plan Settlements Plan Assets DefinedBenefitPlanSettlementsPlanAssets	0	USD
CY2016	us-gaap	Defined Benefit Plan Settlements Plan Assets DefinedBenefitPlanSettlementsPlanAssets	0	USD
CY2016	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate DefinedBenefitPlanUltimateHealthCareCostTrendRate	0.059
CY2014	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	7230000	USD
CY2015	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	9271000	USD
CY2016	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	10762000	USD
CY2016	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.04
CY2015Q4	us-gaap	Demand Deposit Accounts DemandDepositAccounts	2945438000	USD
CY2016Q4	us-gaap	Demand Deposit Accounts DemandDepositAccounts	3333896000	USD
CY2015Q4	us-gaap	Deposits Deposits	6218602000	USD
CY2016Q4	us-gaap	Deposits Deposits	7059137000	USD
CY2015Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	499536000	USD
CY2016Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	543131000	USD
CY2014	us-gaap	Depreciation Depreciation	6613000	USD
CY2015	us-gaap	Depreciation Depreciation	8689000	USD
CY2016	us-gaap	Depreciation Depreciation	12066000	USD
CY2014	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	8104000	USD
CY2015	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	5953000	USD
CY2016	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	207000	USD
CY2015Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	0	USD
CY2016Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	0	USD
CY2015Q4	us-gaap	Derivative Asset Fair Value Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	164000	USD
CY2016Q4	us-gaap	Derivative Asset Fair Value Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	4211000	USD
CY2015Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	USD
CY2016Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	USD
CY2015Q4	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	282000	USD
CY2016Q4	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	567000	USD
CY2015Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	6020000	USD
CY2016Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	4326000	USD
CY2015Q4	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	282000	USD
CY2016Q4	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	567000	USD
CY2015Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	446000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	4778000	USD
CY2015Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	446000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	4778000	USD
CY2015Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	6454000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	4893000	USD
CY2015Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	6454000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	4893000	USD
CY2015Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	0	USD
CY2016Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	0	USD
CY2015Q4	us-gaap	Derivative Liability Fair Value Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	152000	USD
CY2016Q4	us-gaap	Derivative Liability Fair Value Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	0	USD
CY2014	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	21518000	USD
CY2015	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	24557000	USD
CY2016	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	29734000	USD
CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.89
CY2015Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.48
CY2015Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.49
CY2015Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.40
CY2015Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.53
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.89
CY2016Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.53
CY2016Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.54
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.55
CY2016Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.56
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.18
CY2014	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.88
CY2015Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.48
CY2015Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.48
CY2015Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.40
CY2015Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.52
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.88
CY2016Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.52
CY2016Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.54
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.55
CY2016Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.55
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.17
CY2014	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	1102000	USD
CY2015	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	537000	USD
CY2016	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	2771000	USD
CY2014Q4	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	12516000	USD
CY2015Q4	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	7149000	USD
CY2016Q4	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	0	USD
CY2016Q4	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	0	USD
CY2015	us-gaap	Fdic Indemnification Asset Accretion Of Discount FDICIndemnificationAssetAccretionOfDiscount	4865000	USD
CY2016	us-gaap	Fdic Indemnification Asset Accretion Of Discount FDICIndemnificationAssetAccretionOfDiscount	797000	USD
CY2015	us-gaap	Fdic Indemnification Asset Acquisitions FDICIndemnificationAssetAcquisitions	2673000	USD
CY2016	us-gaap	Fdic Indemnification Asset Acquisitions FDICIndemnificationAssetAcquisitions	-260000	USD
CY2015	us-gaap	Fdic Indemnification Asset Additional Estimated Losses FDICIndemnificationAssetAdditionalEstimatedLosses	872000	USD
CY2016	us-gaap	Fdic Indemnification Asset Additional Estimated Losses FDICIndemnificationAssetAdditionalEstimatedLosses	265000	USD
CY2015	us-gaap	Fdic Indemnification Asset Cash Payments Received FDICIndemnificationAssetCashPaymentsReceived	5579000	USD
CY2016	us-gaap	Fdic Indemnification Asset Cash Payments Received FDICIndemnificationAssetCashPaymentsReceived	2987000	USD
CY2015	us-gaap	Fdic Indemnification Asset Disposals FDICIndemnificationAssetDisposals	0	USD
CY2016	us-gaap	Fdic Indemnification Asset Disposals FDICIndemnificationAssetDisposals	3467000	USD
CY2015	us-gaap	Fair Value Measured On Recurring Basis Gain Loss Included In Earnings FairValueMeasuredOnRecurringBasisGainLossIncludedInEarnings	0	USD
CY2016	us-gaap	Fair Value Measured On Recurring Basis Gain Loss Included In Earnings FairValueMeasuredOnRecurringBasisGainLossIncludedInEarnings	0	USD
CY2016	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	-4851000	USD
CY2016Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Amount Of Available Unused Funds FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds	2633543000	USD
CY2014	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Repayment And Penalties FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresRepaymentAndPenalties	0	USD
CY2015	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Repayment And Penalties FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresRepaymentAndPenalties	0	USD
CY2016	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Repayment And Penalties FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresRepaymentAndPenalties	2539000	USD
CY2015Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	22839000	USD
CY2016Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	9589000	USD
CY2014	us-gaap	Fees And Commissions FeesAndCommissions	14012000	USD
CY2015	us-gaap	Fees And Commissions FeesAndCommissions	15761000	USD
CY2016	us-gaap	Fees And Commissions FeesAndCommissions	18814000	USD
CY2014	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	26756000	USD
CY2015	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	29269000	USD
CY2016	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	31875000	USD
CY2014	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	8545000	USD
CY2015	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	9808000	USD
CY2016	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	11652000	USD
CY2014	us-gaap	Fees And Commissions Mortgage Banking FeesAndCommissionsMortgageBanking	14862000	USD
CY2015	us-gaap	Fees And Commissions Mortgage Banking FeesAndCommissionsMortgageBanking	35815000	USD
CY2016	us-gaap	Fees And Commissions Mortgage Banking FeesAndCommissionsMortgageBanking	49443000	USD
CY2013Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	47665000	USD
CY2014Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	42289000	USD
CY2015Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	42437000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	42737000	USD
CY2014Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	30308000	USD
CY2015Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	33131000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	35776000	USD
CY2014Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	10256000	USD
CY2015Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	7600000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	4141000	USD
CY2014	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	-11543000	USD
CY2015	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	-4602000	USD
CY2016	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	-7230000	USD
CY2014	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	2316000	USD
CY2015	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	2174000	USD
CY2016	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	2241000	USD
CY2014	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	13859000	USD
CY2015	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	6776000	USD
CY2016	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	9471000	USD
CY2015Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	5040670000	USD
CY2016Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	5902959000	USD
CY2015Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	36627000	USD
CY2016Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	27992000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	19141000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	25888000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	5854000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	2404000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	3344000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	4232000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	5012000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	47952000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	49962000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	28811000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	24074000	USD
CY2014	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	4593000	USD
CY2015	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	3045000	USD
CY2016	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	5696000	USD
CY2014	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	0	USD
CY2015	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	0	USD
CY2016	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	-2053000	USD
CY2014	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	8594000	USD
CY2015	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	25292000	USD
CY2016	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	31654000	USD
CY2014	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	72000	USD
CY2015	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-105000	USD
CY2016	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-115000	USD
CY2014	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	375000	USD
CY2015	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	96000	USD
CY2016	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	1186000	USD
CY2014	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2015	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2016	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-2539000	USD
CY2014	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	151000	USD
CY2015	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	582000	USD
CY2016	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-590000	USD
CY2014Q4	us-gaap	Goodwill Goodwill	274706000	USD
CY2015Q4	us-gaap	Goodwill Goodwill	445871000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	470534000	USD
CY2015	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	171182000	USD
CY2016	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	20633000	USD
CY2014	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2015	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2016	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2015	us-gaap	Goodwill Transfers GoodwillTransfers	-17000	USD
CY2016	us-gaap	Goodwill Transfers GoodwillTransfers	4030000	USD
CY2015Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	458400000	USD
CY2016Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	356282000	USD
CY2015Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	16662000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	8576000	USD
CY2015Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	1309000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	1965000	USD
CY2015Q4	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	458400000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	356282000	USD
CY2015Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	79991000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	95277000	USD
CY2015Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	36382000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	95277000	USD
CY2015Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	43609000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	0	USD
CY2016Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	131145000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	129883000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	114123000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	110979000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	106121000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	104001000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	11504000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	11419000	USD
CY2015Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	473753000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	362893000	USD
CY2015Q4	us-gaap	Held To Maturity Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions	31	security
CY2016Q4	us-gaap	Held To Maturity Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions	106	security
CY2015	us-gaap	Heldtomaturity Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Loss HeldtomaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLoss	842000	USD
CY2016	us-gaap	Heldtomaturity Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Loss HeldtomaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLoss	0	USD
CY2015	us-gaap	Heldtomaturity Securities Continuous Unrealized Loss Position Aggregate Loss HeldtomaturitySecuritiesContinuousUnrealizedLossPositionAggregateLoss	1309000	USD
CY2016	us-gaap	Heldtomaturity Securities Continuous Unrealized Loss Position Aggregate Loss HeldtomaturitySecuritiesContinuousUnrealizedLossPositionAggregateLoss	1965000	USD
CY2015	us-gaap	Heldtomaturity Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Loss HeldtomaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLoss	467000	USD
CY2016	us-gaap	Heldtomaturity Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Loss HeldtomaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLoss	1965000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	85887000	USD
CY2015Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	22257000	USD
CY2015Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	22236000	USD
CY2015Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	23962000	USD
CY2015Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	31309000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	99764000	USD
CY2016Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	31742000	USD
CY2016Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	34054000	USD
CY2016Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	34885000	USD
CY2016Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	35096000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	135777000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	26305000	USD
CY2015Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7017000	USD
CY2015Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6842000	USD
CY2015Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7742000	USD
CY2015Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10149000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	31750000	USD
CY2016Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10526000	USD
CY2016Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11154000	USD
CY2016Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11706000	USD
CY2016Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11461000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	44847000	USD
CY2014	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-152000	USD
CY2015	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	0	USD
CY2016	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	0	USD
CY2014	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	30061000	USD
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	34918000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	47522000	USD
CY2014	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-469000	USD
CY2015	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-249000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	315000	USD
CY2014	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	921000	USD
CY2015	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1378000	USD
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1747000	USD
CY2014	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	1390000	USD
CY2015	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	1390000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	1390000	USD
CY2014	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	3215000	USD
CY2015	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	3377000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	3467000	USD
CY2014	us-gaap	Income Taxes Paid IncomeTaxesPaid	17503000	USD
CY2015	us-gaap	Income Taxes Paid IncomeTaxesPaid	18610000	USD
CY2016	us-gaap	Income Taxes Paid IncomeTaxesPaid	22731000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-21303000	USD
CY2015	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-12705000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-13020000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-5437000	USD
CY2015	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	180000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-16694000	USD
CY2014	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	260149	shares
CY2015	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	255562	shares
CY2016	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	251819	shares
CY2014	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	11570000	USD
CY2015	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	14251000	USD
CY2016	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	17723000	USD
CY2014	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	8194000	USD
CY2015	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	8423000	USD
CY2016	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	8508000	USD
CY2015Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	28811000	USD
CY2016Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	24074000	USD
CY2014	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	226409000	USD
CY2015Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	54166000	USD
CY2015Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	56769000	USD
CY2015Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	74300000	USD
CY2015Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	77788000	USD
CY2015	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	263023000	USD
CY2016Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	76259000	USD
CY2016Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	84008000	USD
CY2016Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	83032000	USD
CY2016Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	85840000	USD
CY2016	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	329138000	USD
CY2014	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	199844000	USD
CY2015	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	236262000	USD
CY2016	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	302314000	USD
CY2015Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	4940265000	USD
CY2016Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	5497780000	USD
CY2015Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	34564000	USD
CY2016Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	145654000	USD
CY2014	us-gaap	Interest Expense InterestExpense	23927000	USD
CY2015Q1	us-gaap	Interest Expense InterestExpense	5385000	USD
CY2015Q2	us-gaap	Interest Expense InterestExpense	5155000	USD
CY2015Q3	us-gaap	Interest Expense InterestExpense	5688000	USD
CY2015Q4	us-gaap	Interest Expense InterestExpense	5437000	USD
CY2015	us-gaap	Interest Expense InterestExpense	21665000	USD
CY2016Q1	us-gaap	Interest Expense InterestExpense	6205000	USD
CY2016Q2	us-gaap	Interest Expense InterestExpense	6851000	USD
CY2016Q3	us-gaap	Interest Expense InterestExpense	7301000	USD
CY2016Q4	us-gaap	Interest Expense InterestExpense	7791000	USD
CY2016	us-gaap	Interest Expense InterestExpense	28147000	USD
CY2014	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	7711000	USD
CY2015	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	7950000	USD
CY2016	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	10291000	USD
CY2014	us-gaap	Interest Expense Deposits InterestExpenseDeposits	16216000	USD
CY2015	us-gaap	Interest Expense Deposits InterestExpenseDeposits	13715000	USD
CY2016	us-gaap	Interest Expense Deposits InterestExpenseDeposits	17856000	USD
CY2014	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	196315000	USD
CY2015	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	236608000	USD
CY2016	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	293461000	USD
CY2014	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	202482000	USD
CY2015Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	48781000	USD
CY2015Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	51614000	USD
CY2015Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	68612000	USD
CY2015Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	72351000	USD
CY2015	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	241358000	USD
CY2016Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	70054000	USD
CY2016Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	77157000	USD
CY2016Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	75731000	USD
CY2016Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	78049000	USD
CY2016	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	300991000	USD
CY2014	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	9073000	USD
CY2015	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	9520000	USD
CY2016	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	9814000	USD
CY2014	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	17096000	USD
CY2015	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	17026000	USD
CY2016	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	16551000	USD
CY2014	us-gaap	Interest Paid InterestPaid	24103000	USD
CY2015	us-gaap	Interest Paid InterestPaid	21615000	USD
CY2016	us-gaap	Interest Paid InterestPaid	25871000	USD
CY2014	us-gaap	Labor And Related Expense LaborAndRelatedExpense	115108000	USD
CY2015	us-gaap	Labor And Related Expense LaborAndRelatedExpense	145111000	USD
CY2016	us-gaap	Labor And Related Expense LaborAndRelatedExpense	172448000	USD
CY2015Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	37063000	USD
CY2016Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	44086000	USD
CY2015Q4	us-gaap	Liabilities Liabilities	6889678000	USD
CY2016Q4	us-gaap	Liabilities Liabilities	7466968000	USD
CY2015Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	7926496000	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	8699851000	USD
CY2015Q4	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2016Q4	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2016Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	75000000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	42437000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	42737000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	1163000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	2409000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	5414625000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	6205118000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	5413462000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	6202709000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Net Reported Amount Covered And Not Covered LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered	5371025000	USD
CY2016Q4	us-gaap	Loans And Leases Receivable Net Reported Amount Covered And Not Covered LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered	6159972000	USD
CY2015Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group Mortgage LoansReceivableHeldForSaleNetNotPartOfDisposalGroupMortgage	225254000	USD
CY2016Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group Mortgage LoansReceivableHeldForSaleNetNotPartOfDisposalGroupMortgage	177866000	USD
CY2015Q4	us-gaap	Long Term Debt LongTermDebt	148217000	USD
CY2016Q4	us-gaap	Long Term Debt LongTermDebt	202459000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	201371000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	0	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	615000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	147000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	326000	USD
	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	0	USD
CY2015	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	0	USD
CY2016	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	40000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-6946000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	44794000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	282849000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-202802000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-247431000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-351993000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	124683000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	252625000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	163797000	USD
CY2014	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	-67346000	USD
CY2015	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	-77124000	USD
CY2016	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	279146000	USD
CY2014	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	63852000	USD
CY2015	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	79342000	USD
CY2016	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	209943000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	59582000	USD
CY2015Q1	us-gaap	Net Income Loss NetIncomeLoss	15240000	USD
CY2015Q2	us-gaap	Net Income Loss NetIncomeLoss	15394000	USD
CY2015Q3	us-gaap	Net Income Loss NetIncomeLoss	16220000	USD
CY2015Q4	us-gaap	Net Income Loss NetIncomeLoss	21160000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	68014000	USD
CY2016Q1	us-gaap	Net Income Loss NetIncomeLoss	21216000	USD
CY2016Q2	us-gaap	Net Income Loss NetIncomeLoss	22900000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	23179000	USD
CY2016Q4	us-gaap	Net Income Loss NetIncomeLoss	23635000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	90930000	USD
CY2015Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	1278337000	USD
CY2016Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	1561357000	USD
CY2014	us-gaap	Noninterest Expense NoninterestExpense	190937000	USD
CY2015Q1	us-gaap	Noninterest Expense NoninterestExpense	47319000	USD
CY2015Q2	us-gaap	Noninterest Expense NoninterestExpense	51082000	USD
CY2015Q3	us-gaap	Noninterest Expense NoninterestExpense	75979000	USD
CY2015Q4	us-gaap	Noninterest Expense NoninterestExpense	70734000	USD
CY2015	us-gaap	Noninterest Expense NoninterestExpense	245114000	USD
CY2016Q1	us-gaap	Noninterest Expense NoninterestExpense	69814000	USD
CY2016Q2	us-gaap	Noninterest Expense NoninterestExpense	77259000	USD
CY2016Q3	us-gaap	Noninterest Expense NoninterestExpense	76468000	USD
CY2016Q4	us-gaap	Noninterest Expense NoninterestExpense	71374000	USD
CY2016	us-gaap	Noninterest Expense NoninterestExpense	295099000	USD
CY2014	us-gaap	Noninterest Income NoninterestIncome	80509000	USD
CY2015Q1	us-gaap	Noninterest Income NoninterestIncome	21870000	USD
CY2015Q2	us-gaap	Noninterest Income NoninterestIncome	22879000	USD
CY2015Q3	us-gaap	Noninterest Income NoninterestIncome	32079000	USD
CY2015Q4	us-gaap	Noninterest Income NoninterestIncome	31442000	USD
CY2015	us-gaap	Noninterest Income NoninterestIncome	108270000	USD
CY2016Q1	us-gaap	Noninterest Income NoninterestIncome	33302000	USD
CY2016Q2	us-gaap	Noninterest Income NoninterestIncome	35586000	USD
CY2016Q3	us-gaap	Noninterest Income NoninterestIncome	38272000	USD
CY2016Q4	us-gaap	Noninterest Income NoninterestIncome	30071000	USD
CY2016	us-gaap	Noninterest Income NoninterestIncome	137415000	USD
CY2014	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	4780000	USD
CY2015	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	5486000	USD
CY2016	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	11302000	USD
CY2014	us-gaap	Occupancy Net OccupancyNet	20252000	USD
CY2015	us-gaap	Occupancy Net OccupancyNet	26987000	USD
CY2016	us-gaap	Occupancy Net OccupancyNet	34394000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	22259000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	4526000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	1713000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	2801000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	3440000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	4145000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	5634000	USD
CY2014	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	2909000	USD
CY2015	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	3688000	USD
CY2016	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	4460000	USD
CY2015Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	0	USD
CY2016Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	0	USD
CY2016Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	0	USD
CY2015Q4	us-gaap	Other Assets OtherAssets	156371000	USD
CY2016Q4	us-gaap	Other Assets OtherAssets	149522000	USD
CY2014	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-1529000	USD
CY2015	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-1435000	USD
CY2016	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	31000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	7343000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-520000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-6994000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	7085000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-3226000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-10400000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-1622000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-249000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	527000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	4375000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1937000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-6369000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	1346000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	1168000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-98000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	232000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	59000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	727000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-183000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-267000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-302000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	2710000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-1289000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-4031000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-1622000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-249000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	527000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	7731000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-351000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-6206000	USD
CY2014	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	396000	USD
CY2015	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	215000	USD
CY2016	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	459000	USD
CY2015Q4	us-gaap	Other Liabilities OtherLiabilities	100580000	USD
CY2016Q4	us-gaap	Other Liabilities OtherLiabilities	95696000	USD
CY2014	us-gaap	Other Noninterest Expense OtherNoninterestExpense	16757000	USD
CY2015	us-gaap	Other Noninterest Expense OtherNoninterestExpense	20263000	USD
CY2016	us-gaap	Other Noninterest Expense OtherNoninterestExpense	28709000	USD
CY2014Q4	us-gaap	Other Real Estate OtherRealEstate	34472000	USD
CY2015Q4	us-gaap	Other Real Estate OtherRealEstate	35402000	USD
CY2016Q4	us-gaap	Other Real Estate OtherRealEstate	23299000	USD
CY2015	us-gaap	Other Real Estate Additions OtherRealEstateAdditions	9972000	USD
CY2016	us-gaap	Other Real Estate Additions OtherRealEstateAdditions	0	USD
CY2015Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	35402000	USD
CY2016Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	23299000	USD
CY2014Q4	us-gaap	Other Real Estate Covered OtherRealEstateCovered	17386000	USD
CY2015Q4	us-gaap	Other Real Estate Covered OtherRealEstateCovered	22416000	USD
CY2016Q4	us-gaap	Other Real Estate Covered OtherRealEstateCovered	17370000	USD
CY2015	us-gaap	Other Real Estate Covered Additions OtherRealEstateCoveredAdditions	9972000	USD
CY2016	us-gaap	Other Real Estate Covered Additions OtherRealEstateCoveredAdditions	0	USD
CY2015	us-gaap	Other Real Estate Covered Disposals OtherRealEstateCoveredDisposals	15551000	USD
CY2016	us-gaap	Other Real Estate Covered Disposals OtherRealEstateCoveredDisposals	11071000	USD
CY2015	us-gaap	Other Real Estate Covered Period Increase Decrease OtherRealEstateCoveredPeriodIncreaseDecrease	0	USD
CY2016	us-gaap	Other Real Estate Covered Period Increase Decrease OtherRealEstateCoveredPeriodIncreaseDecrease	-279000	USD
CY2015	us-gaap	Other Real Estate Covered Valuation Adjustments OtherRealEstateCoveredValuationAdjustments	1033000	USD
CY2016	us-gaap	Other Real Estate Covered Valuation Adjustments OtherRealEstateCoveredValuationAdjustments	1631000	USD
CY2015	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	21424000	USD
CY2016	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	17529000	USD
CY2014Q4	us-gaap	Other Real Estate Non Covered OtherRealEstateNonCovered	17086000	USD
CY2015Q4	us-gaap	Other Real Estate Non Covered OtherRealEstateNonCovered	12986000	USD
CY2016Q4	us-gaap	Other Real Estate Non Covered OtherRealEstateNonCovered	5929000	USD
CY2015	us-gaap	Other Real Estate Non Covered Additions OtherRealEstateNonCoveredAdditions	0	USD
CY2016	us-gaap	Other Real Estate Non Covered Additions OtherRealEstateNonCoveredAdditions	0	USD
CY2015	us-gaap	Other Real Estate Non Covered Disposals OtherRealEstateNonCoveredDisposals	5873000	USD
CY2016	us-gaap	Other Real Estate Non Covered Disposals OtherRealEstateNonCoveredDisposals	6458000	USD
CY2015	us-gaap	Other Real Estate Non Covered Period Increase Decrease OtherRealEstateNonCoveredPeriodIncreaseDecrease	-34000	USD
CY2016	us-gaap	Other Real Estate Non Covered Period Increase Decrease OtherRealEstateNonCoveredPeriodIncreaseDecrease	-50000	USD
CY2015	us-gaap	Other Real Estate Non Covered Valuation Adjustments OtherRealEstateNonCoveredValuationAdjustments	1486000	USD
CY2016	us-gaap	Other Real Estate Non Covered Valuation Adjustments OtherRealEstateNonCoveredValuationAdjustments	1484000	USD
CY2015	us-gaap	Other Real Estate Period Increase Decrease OtherRealEstatePeriodIncreaseDecrease	-34000	USD
CY2016	us-gaap	Other Real Estate Period Increase Decrease OtherRealEstatePeriodIncreaseDecrease	-329000	USD
CY2015	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	2519000	USD
CY2016	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	3115000	USD
CY2015	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions Additional Credit Losses OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses	0	USD
CY2016	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions Additional Credit Losses OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses	0	USD
CY2015	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions No Previous Impairment OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment	0	USD
CY2016	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions No Previous Impairment OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment	0	USD
CY2014Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	3337000	USD
CY2015Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	3337000	USD
CY2016Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	3337000	USD
CY2014	us-gaap	Payments For Federal Home Loan Bank Advances PaymentsForFederalHomeLoanBankAdvances	0	USD
CY2015	us-gaap	Payments For Federal Home Loan Bank Advances PaymentsForFederalHomeLoanBankAdvances	0	USD
CY2016	us-gaap	Payments For Federal Home Loan Bank Advances PaymentsForFederalHomeLoanBankAdvances	42369000	USD
CY2014	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	547402000	USD
CY2015	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	1483937000	USD
CY2016	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	1951144000	USD
CY2014	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	120787000	USD
CY2015	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	298676000	USD
CY2016	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	504640000	USD
CY2014	us-gaap	Payments Of Dividends PaymentsOfDividends	21518000	USD
CY2015	us-gaap	Payments Of Dividends PaymentsOfDividends	24557000	USD
CY2016	us-gaap	Payments Of Dividends PaymentsOfDividends	29734000	USD
CY2014	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	124296000	USD
CY2015	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	72114000	USD
CY2016	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	140133000	USD
CY2014	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	155868000	USD
CY2015	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	144027000	USD
CY2016	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	15267000	USD
CY2014	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	22179000	USD
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	25165000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	13560000	USD
CY2015Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2016Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2015Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2016Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2015Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2016Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2015Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2016Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2015Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2016Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2014	us-gaap	Proceeds And Excess Tax Benefit From Sharebased Compensation ProceedsAndExcessTaxBenefitFromSharebasedCompensation	401000	USD
CY2015	us-gaap	Proceeds And Excess Tax Benefit From Sharebased Compensation ProceedsAndExcessTaxBenefitFromSharebasedCompensation	102000	USD
CY2016	us-gaap	Proceeds And Excess Tax Benefit From Sharebased Compensation ProceedsAndExcessTaxBenefitFromSharebasedCompensation	415000	USD
CY2014	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2015	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2016	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	84105000	USD
CY2014	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2015	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	40000	USD
CY2016	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	98385000	USD
CY2014	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	80305000	USD
CY2015	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	111663000	USD
CY2016	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	158359000	USD
CY2014	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	136013000	USD
CY2015	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	145449000	USD
CY2016	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	119405000	USD
CY2014	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	30120000	USD
CY2015	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	375220000	USD
CY2016	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-314952000	USD
CY2014	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	1099000	USD
CY2015	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	8444000	USD
CY2016	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	4028000	USD
CY2014	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	563808000	USD
CY2015	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	1647648000	USD
CY2016	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	2031036000	USD
CY2014	us-gaap	Proceeds From Sale Of Mortgage Servicing Rights Msr ProceedsFromSaleOfMortgageServicingRightsMSR	0	USD
CY2015	us-gaap	Proceeds From Sale Of Mortgage Servicing Rights Msr ProceedsFromSaleOfMortgageServicingRightsMSR	0	USD
CY2016	us-gaap	Proceeds From Sale Of Mortgage Servicing Rights Msr ProceedsFromSaleOfMortgageServicingRightsMSR	18508000	USD
CY2014	us-gaap	Proceeds From Sale Of Other Assets Investing Activities ProceedsFromSaleOfOtherAssetsInvestingActivities	0	USD
CY2015	us-gaap	Proceeds From Sale Of Other Assets Investing Activities ProceedsFromSaleOfOtherAssetsInvestingActivities	0	USD
CY2016	us-gaap	Proceeds From Sale Of Other Assets Investing Activities ProceedsFromSaleOfOtherAssetsInvestingActivities	16939000	USD
CY2014	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	2911000	USD
CY2015	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	2219000	USD
CY2016	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	2462000	USD
CY2014	us-gaap	Professional Fees ProfessionalFees	4485000	USD
CY2015	us-gaap	Professional Fees ProfessionalFees	4384000	USD
CY2016	us-gaap	Professional Fees ProfessionalFees	5358000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	231283000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	247785000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	169128000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	179223000	USD
CY2014	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	6167000	USD
CY2015Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1075000	USD
CY2015Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1175000	USD
CY2015Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	750000	USD
CY2015Q4	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1750000	USD
CY2015	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	4750000	USD
CY2016Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1800000	USD
CY2016Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1430000	USD
CY2016Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	2650000	USD
CY2016Q4	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1650000	USD
CY2016	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	7530000	USD
CY2014	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	10917000	USD
CY2015	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	3913000	USD
CY2016	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	6604000	USD
CY2014	us-gaap	Real Estate Taxes And Insurance RealEstateTaxesAndInsurance	372000	USD
CY2015	us-gaap	Real Estate Taxes And Insurance RealEstateTaxesAndInsurance	809000	USD
CY2016	us-gaap	Real Estate Taxes And Insurance RealEstateTaxesAndInsurance	1374000	USD
CY2015Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	16576000	USD
CY2016Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	28107000	USD
CY2014	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	13557000	USD
CY2015	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	308766000	USD
CY2016	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	47230000	USD
CY2015Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	276340000	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	337536000	USD
CY2014Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInDiscountRate	1010000	USD
CY2015Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInDiscountRate	1357000	USD
CY2016Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInDiscountRate	1368000	USD
CY2014Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInPrepaymentSpeed	1038000	USD
CY2015Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInPrepaymentSpeed	1203000	USD
CY2016Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInPrepaymentSpeed	1034000	USD
CY2014Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInDiscountRate	1378000	USD
CY2015Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInDiscountRate	2612000	USD
CY2016Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInDiscountRate	2629000	USD
CY2014Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInPrepaymentSpeed	1441000	USD
CY2015Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInPrepaymentSpeed	2330000	USD
CY2016Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInPrepaymentSpeed	2010000	USD
CY2015Q4	us-gaap	Servicing Asset ServicingAsset	29642000	USD
CY2016Q4	us-gaap	Servicing Asset ServicingAsset	26302000	USD
CY2014Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	11662000	USD
CY2015Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	29642000	USD
CY2016Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	26302000	USD
CY2015	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	10429000	USD
CY2016	us-gaap	Servicing Asset At Amortized Value Disposals ServicingAssetAtAmortizedValueDisposals	18477000	USD
CY2014	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.1076
CY2015	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.0951
CY2016	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.0964
CY2014	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.0825
CY2015	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.0889
CY2016	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.0734
CY2014	us-gaap	Servicing Fees ServicingFees	1805000	USD
CY2015	us-gaap	Servicing Fees ServicingFees	3369000	USD
CY2016	us-gaap	Servicing Fees ServicingFees	3212000	USD
CY2014	us-gaap	Share Based Compensation ShareBasedCompensation	3909000	USD
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	4435000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	3117000	USD
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P3Y
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	745949	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	606027	shares
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	644	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	185625	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	18.95
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	17.85
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	15.97
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	2519000	USD
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	2445000	USD
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	8323000	USD
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	1899	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	8133	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	8680000	USD
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	10274000	USD
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	4872000	USD
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1060348	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	830950	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	621446	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	185625	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	18.64
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	18.70
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	17.88
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	15.97
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	18.39
CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	20.82
CY2016	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	18.67
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	20.77
CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	29.45
CY2016	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	29.67
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
CY2016	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
CY2016	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod	P10Y
CY2014Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	7628000	USD
CY2015Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	10038000	USD
CY2016Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	4872000	USD
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y1M24D
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y9M29D
CY2016	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y10M28D
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y5M23D
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y10M28D
CY2016	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y10M28D
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	458000	USD
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	235000	USD
CY2016	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	78000	USD
CY2015Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0018
CY2016Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0045
CY2014	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	22233000	USD
CY2015	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	223090000	USD
CY2016	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	356929000	USD
CY2015Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	422279000	USD
CY2016Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	109676000	USD
CY2014Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0017
CY2014	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	227499	shares
CY2015	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	201371	shares
CY2016	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	435177	shares
CY2015	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	281530000	USD
CY2016	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	55290000	USD
CY2016	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	84105000	USD
CY2014	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-353000	USD
CY2015	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-1722000	USD
CY2016	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-1652000	USD
CY2015	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	608000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	665652000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	711651000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	1036818000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	1232883000	USD
CY2014	us-gaap	Stockholders Equity Other StockholdersEquityOther	-4000	USD
CY2015	us-gaap	Stockholders Equity Other StockholdersEquityOther	-12000	USD
CY2016Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.04
CY2016Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.05
CY2016Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.06
CY2016Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.08
CY2016Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	12175000	USD
CY2016Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	45278000	USD
CY2016Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	114157000	USD
CY2016Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	734286000	USD
CY2016Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	326032000	USD
CY2016Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	388825000	USD
CY2015Q4	us-gaap	Time Deposits TimeDeposits	1495291000	USD
CY2016Q4	us-gaap	Time Deposits TimeDeposits	1620753000	USD
CY2015Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	222419000	USD
CY2016Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	313409000	USD
CY2014	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	0	USD
CY2015	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	11096000	USD
CY2016	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	17838000	USD
CY2014	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	15692000	USD
CY2015	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	14935000	USD
CY2016	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	8870000	USD
CY2015Q4	us-gaap	Treasury Stock Value TreasuryStockValue	22385000	USD
CY2016Q4	us-gaap	Treasury Stock Value TreasuryStockValue	21692000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2178000	USD
CY2014Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2653000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1485000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1510000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation	0	USD
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation	1334000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation	0	USD
CY2014	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	201000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2014Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	686000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	125000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	169000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	475000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	367000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	25000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2014	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2015	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	31759647	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36227439	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41989455	shares
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	31499498	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35971877	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41737636	shares
CY2016	us-gaap	Nature Of Operations NatureOfOperations	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:12px;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;text-decoration:underline;">Nature of Operations</font><font style="font-family:inherit;font-size:10pt;">: Renasant Corporation (referred to herein as the “Company”) owns and operates Renasant Bank (“Renasant Bank” or the “Bank”) and Renasant Insurance, Inc. The Company offers a diversified range of financial, fiduciary and insurance services to its retail and commercial customers through its subsidiaries and full service offices located throughout north and central Mississippi, Tennessee, Alabama, Georgia and Florida.</font></div></div>
CY2016	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:12px;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;text-decoration:underline;">Use of Estimates</font><font style="font-family:inherit;font-size:10pt;">: The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

Files In Submission

Name	View Source	Status
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$RNST
Renasant Corp Stock $rnst

2015 Q4 Form 10-K Financial Statement

#000071507217000015 Filed on February 27, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RNST Renasant Corp Stock $rnst

2015 Q4 Form 10-K Financial Statement

#000071507217000015 Filed on February 27, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RNST
Renasant Corp Stock $rnst