$EFSC
Enterprise Financial Services Corp Stock $efsc

$efsc Overview Financials Valuation SEC Filings Company Website

2012 Form 10-K Financial Statement

#000102583513000014 Filed on March 15, 2013

Income Statement

Concept	2012	2011 Q4	2011 Q3
Revenue	$165.5M	$39.46M	$34.29M
YoY Change	15.84%		7.03%
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	$2.500M	$1.100M	$900.0K
YoY Change	-7.41%	37.5%	12.5%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$23.17M	$7.259M	$7.516M
YoY Change	-23.17%		-2.92%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$42.83M	$9.522M	$9.121M
YoY Change	12.05%	42.12%	26.1%
Income Tax	$14.53M	$2.316M	$3.289M
% Of Pretax Income	33.93%	24.32%	36.06%
Net Earnings	$28.30M	$7.206M	$5.832M
YoY Change	11.3%	44.12%	17.32%
Net Earnings / Revenue	17.1%	18.26%	17.01%
Basic Earnings Per Share	$1.41	$0.37	$0.29
Diluted Earnings Per Share	$1.37	$0.36	$0.29
COMMON SHARES
Basic Shares Outstanding	17.86M shares	17.75M shares	17.74M shares
Diluted Shares Outstanding	19.34M shares		19.20M shares

Balance Sheet

Concept	2012	2011 Q4	2011 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents		$188.1M	$267.4M
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	$21.00M	$18.99M	$18.98M
YoY Change	10.53%	-7.38%	-9.64%
Goodwill		$30.33M	$47.55M
YoY Change		1369.67%
Intangibles		$9.285M	$9.471M
YoY Change		659.2%
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$3.326B	$3.378B	$3.370B
YoY Change	-1.54%	20.63%	34.6%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.000M	$2.000M
YoY Change	-50.0%	100.0%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$245.0M	$155.0M	$101.0M
YoY Change	58.06%	30.25%	60.32%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$1.000M	$2.000M	$101.0M
YoY Change	-50.0%	100.0%	60.32%
LONG-TERM LIABILITIES
Long-Term Debt	$85.00M	$85.00M	$85.00M
YoY Change	0.0%	0.0%	0.0%
Other Long-Term Liabilities	$20.00M	$3.000M	$9.000M
YoY Change	566.67%	-66.67%	-30.77%
Total Long-Term Liabilities	$105.0M	$88.00M	$94.00M
YoY Change	19.32%	-6.38%	-4.08%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.000M	$2.000M	$101.0M
Total Long-Term Liabilities	$105.0M	$88.00M	$94.00M
Total Liabilities	$3.090B	$3.138B	$3.124B
YoY Change	-1.53%	19.76%	34.42%
SHAREHOLDERS EQUITY
Retained Earnings		$35.10M	$41.45M
YoY Change		122.48%
Common Stock		$178.0K	$178.0K
YoY Change		18.67%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$1.743M	$1.743M
YoY Change		0.0%
Treasury Stock Shares		76.00K shares	76.00K shares
Shareholders Equity	$236.0M	$239.6M	$234.5M
YoY Change
Total Liabilities & Shareholders Equity	$3.326B	$3.378B	$3.370B
YoY Change	-1.54%	20.63%	34.6%

Cashflow Statement

Concept	2012	2011 Q4	2011 Q3
OPERATING ACTIVITIES
Net Income	$28.30M	$7.206M	$5.832M
YoY Change	11.3%	44.12%	17.32%
Depreciation, Depletion And Amortization	$2.500M	$1.100M	$900.0K
YoY Change	-7.41%	37.5%	12.5%
Cash From Operating Activities	$37.37M	$2.100M	$2.000M
YoY Change	37.75%	-86.0%	-82.14%
INVESTING ACTIVITIES
Capital Expenditures	$4.675M	-$500.0K	-$100.0K
YoY Change	413.74%	400.0%	-99.96%
Acquisitions	$0.00
YoY Change
Other Investing Activities	-$1.600M	-$64.40M	$162.1M
YoY Change	-223.08%	-16.36%	-624.6%
Cash From Investing Activities	-$6.282M	-$64.90M	$162.1M
YoY Change	-1694.42%	-15.93%	-163.35%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$3.000K
YoY Change	-99.99%
Debt Paid & Issued, Net	$300.0K
YoY Change
Cash From Financing Activities	-$102.9M	-16.50M	-94.80M
YoY Change	-22.69%	-105.54%	-142.53%
NET CHANGE
Cash From Operating Activities	$37.37M	2.100M	2.000M
Cash From Investing Activities	-$6.282M	-64.90M	162.1M
Cash From Financing Activities	-$102.9M	-16.50M	-94.80M
Net Change In Cash	-$71.77M	-79.30M	69.30M
YoY Change	-31.98%	-133.69%	-417.89%
FREE CASH FLOW
Cash From Operating Activities	$37.37M	$2.100M	$2.000M
Capital Expenditures	$4.675M	-$500.0K	-$100.0K
Free Cash Flow	$32.70M	$2.600M	$2.100M
YoY Change	24.7%	-82.78%	-99.11%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2010	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-3527000	USD
CY2012	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-7923000	USD
CY2011	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-6210000	USD
CY2011Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	19716000	USD
CY2012Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	21818000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	3602000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	7790000	USD
CY2011Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	169138000	USD
CY2012Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	173299000	USD
CY2011	us-gaap	Adjustment To Additional Paid In Capital Income Tax Effect From Share Based Compensation Net AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet	-53000	USD
CY2010	us-gaap	Adjustment To Additional Paid In Capital Income Tax Effect From Share Based Compensation Net AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet	-494000	USD
CY2012	us-gaap	Adjustment To Additional Paid In Capital Income Tax Effect From Share Based Compensation Net AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet	66000	USD
CY2010	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Nonvested Shares Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonvestedSharesRequisiteServicePeriodRecognition	1947000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Nonvested Shares Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonvestedSharesRequisiteServicePeriodRecognition	1466000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Nonvested Shares Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonvestedSharesRequisiteServicePeriodRecognition	2537000	USD
CY2012	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2500000	USD
CY2011	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1800000	USD
CY2010	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2300000	USD
CY2011	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	999000	USD
CY2012	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1879000	USD
CY2010	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	420000	USD
CY2010	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2707424	shares
CY2011	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	899493	shares
CY2012	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1027683	shares
CY2011Q4	us-gaap	Assets Assets	3377779000	USD
CY2012Q4	us-gaap	Assets Assets	3325786000	USD
CY2010Q4	us-gaap	Assets Assets	2800199000	USD
CY2012Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	61560000	USD
CY2011Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	119076000	USD
CY2011Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	111846000	USD
CY2012Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	46905000	USD
CY2012Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	14655000	USD
CY2011Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	7230000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	29087000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	30585000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	161850000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	165719000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	6603000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	6339000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost	587555000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost	627462000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	2701000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	2728000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	427221000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	434841000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	593182000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	640212000	USD
CY2011Q4	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	593182000	USD
CY2012Q4	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	640212000	USD
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CY2012	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	1399000	USD
CY2011	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	1450000	USD
CY2012	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	110876000	USD
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CY2011	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
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CY2012Q4	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	742000	USD
CY2011Q4	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	2049000	USD
CY2012Q4	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	359300000	USD
CY2011Q4	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	287800000	USD
CY2012Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2	477000	USD
CY2011Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2	377000	USD
CY2011Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses2	2049000	USD
CY2012Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses2	742000	USD
CY2011Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2	1672000	USD
CY2012Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2	265000	USD
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CY2011Q4	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	7676000	USD
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CY2012Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	1100000	USD
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CY2012	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
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CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	293668000	USD
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CY2012Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	21906000	USD
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CY2012Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	116370000	USD
CY2012Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	78768000	USD
CY2011Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	63335000	USD
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CY2012	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	47802000	USD
CY2011	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	23792000	USD
CY2012	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Additions CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions	0	USD
CY2011	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Additions CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions	40380000	USD
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CY2012	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.21
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CY2011Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	30000000	shares
CY2012Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	30000000	shares
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CY2012Q4	us-gaap	Common Stock Value CommonStockValue	181000	USD
CY2011Q4	us-gaap	Common Stock Value CommonStockValue	178000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	32484000	USD
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CY2011	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	29598000	USD
CY2012	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	20068000	USD
CY2011	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	10775000	USD
CY2010	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-44000	USD
CY2011	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1907000	USD
CY2012	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2085000	USD
CY2010	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	101000	USD
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CY2010	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	766000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-8535000	USD
CY2011Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	74272000	USD
CY2012Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	32991000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	12657000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	18341000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	16045000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	21779000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	54770000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	90317000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	131000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	347000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	0	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	1700000	USD
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CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	17846000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	USD
CY2011Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	320000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	2881000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	3487000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	4960000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	2189000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	87000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	16000	USD
CY2012	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1200000	USD
CY2010	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	468000	USD
CY2011	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1100000	USD
CY2011Q4	us-gaap	Deposits Deposits	2791353000	USD
CY2012Q4	us-gaap	Deposits Deposits	2658851000	USD
CY2012Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	1036125000	USD
CY2011Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	1084304000	USD
CY2012Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	83458000	USD
CY2011Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	51145000	USD
CY2012	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2500000	USD
CY2011	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2700000	USD
CY2010	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2900000	USD
CY2012	us-gaap	Depreciation Nonproduction DepreciationNonproduction	2529000	USD
CY2011	us-gaap	Depreciation Nonproduction DepreciationNonproduction	2737000	USD
CY2010	us-gaap	Depreciation Nonproduction DepreciationNonproduction	2936000	USD
CY2011Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	2700000	USD
CY2012Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	3300000	USD
CY2010	us-gaap	Dividend Income Operating DividendIncomeOperating	426000	USD
CY2012	us-gaap	Dividend Income Operating DividendIncomeOperating	315000	USD
CY2011	us-gaap	Dividend Income Operating DividendIncomeOperating	368000	USD
CY2010	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	3121000	USD
CY2012	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	3757000	USD
CY2011	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	3577000	USD
CY2011	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	1750000	USD
CY2012	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	1711000	USD
CY2010	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	1750000	USD
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.37
CY2010	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.21
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.41
CY2012Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.41
CY2011Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.37
CY2011Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.45
CY2011Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.29
CY2011Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.23
CY2012Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.23
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.31
CY2012Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.46
CY2010	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.21
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.37
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.34
CY2011Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.43
CY2011Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.29
CY2012Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.44
CY2012Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.39
CY2011Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.36
CY2011Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.23
CY2012Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.23
CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.31
CY2012	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2010	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2011	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2010	us-gaap	Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions	0	USD
CY2012	us-gaap	Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions	1291000	USD
CY2011	us-gaap	Employee Service Share Based Compensation Cash Received From Exercise Of Stock Options EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions	889000	USD
CY2011	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	-53000	USD
CY2010	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	-494000	USD
CY2012	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	66000	USD
CY2010	us-gaap	Equipment Expense EquipmentExpense	1393000	USD
CY2012	us-gaap	Equipment Expense EquipmentExpense	1636000	USD
CY2011	us-gaap	Equipment Expense EquipmentExpense	1601000	USD
CY2011	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	-53000	USD
CY2010	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	-494000	USD
CY2012	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	66000	USD
CY2010	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	-494000	USD
CY2012	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	66000	USD
CY2011	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	-53000	USD
CY2012Q4	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	61475000	USD
CY2011Q4	us-gaap	Fdic Indemnification Asset FDICIndemnificationAsset	184554000	USD
CY2012Q4	us-gaap	Federal Funds Sold FederalFundsSold	51000	USD
CY2011Q4	us-gaap	Federal Funds Sold FederalFundsSold	143000	USD
CY2012Q4	us-gaap	Federal Home Loan Bank Advances Branch Of Fhlb Bank Weighted Average Interest Rate FederalHomeLoanBankAdvancesBranchOfFHLBBankWeightedAverageInterestRate	0.0352
CY2011Q4	us-gaap	Federal Home Loan Bank Advances Branch Of Fhlb Bank Weighted Average Interest Rate FederalHomeLoanBankAdvancesBranchOfFHLBBankWeightedAverageInterestRate	0.0338
CY2012Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	33700000	USD
CY2011Q4	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	102000000	USD
CY2012Q4	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	80000000	USD
CY2012Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary FederalHomeLoanBankAdvancesMaturitiesSummary	80000000	USD
CY2011Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary FederalHomeLoanBankAdvancesMaturitiesSummary	102000000	USD
CY2012Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate After Five Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateAfterFiveYearsFromBalanceSheetDate	0.0000
CY2011Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate After Five Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateAfterFiveYearsFromBalanceSheetDate	0.0337
CY2012Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Four To Five Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateFourToFiveYearsFromBalanceSheetDate	0.0337
CY2011Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Four To Five Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateFourToFiveYearsFromBalanceSheetDate	0.0000
CY2012Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Of Amounts Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueWithinOneYearOfBalanceSheetDate	0.0000
CY2011Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Of Amounts Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueWithinOneYearOfBalanceSheetDate	0.0290
CY2011Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Three To Four Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateThreeToFourYearsFromBalanceSheetDate	0.0453
CY2012Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Three To Four Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateThreeToFourYearsFromBalanceSheetDate	0.0000
CY2011Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Two To Three Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateTwoToThreeYearsFromBalanceSheetDate	0.0000
CY2012Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Two To Three Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateTwoToThreeYearsFromBalanceSheetDate	0.0453
CY2012Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due After Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate	0	USD
CY2011Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due After Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate	70000000	USD
CY2012Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Four To Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate	70000000	USD
CY2011Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Four To Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate	0	USD
CY2011Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Three To Four Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate	10000000	USD
CY2012Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Three To Four Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate	0	USD
CY2012Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate	10000000	USD
CY2011Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate	0	USD
CY2011Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	22000000	USD
CY2012Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	0	USD
CY2010	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	4739000	USD
CY2012	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	5664000	USD
CY2011	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	5091000	USD
CY2011	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	6841000	USD
CY2010	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	6414000	USD
CY2012	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	7300000	USD
CY2012	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	2504000	USD
CY2011	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	1679000	USD
CY2010	us-gaap	Fees And Commissions Other FeesAndCommissionsOther	1128000	USD
CY2012	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P10Y
CY2012Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	-5287000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	-3408000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	1391000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	1653000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	764000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	973000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	1199000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1426000	USD
CY2010Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	3632000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	12693000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	12693000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	9285000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	7406000	USD
CY2011Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	13231000	USD
CY2012Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	13780000	USD
CY2012	us-gaap	Gain Loss On Sale Of Debt Investments GainLossOnSaleOfDebtInvestments	1156000	USD
CY2011	us-gaap	Gain Loss On Sale Of Debt Investments GainLossOnSaleOfDebtInvestments	1450000	USD
CY2010	us-gaap	Gain Loss On Sale Of Debt Investments GainLossOnSaleOfDebtInvestments	1987000	USD
CY2010	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	79000	USD
CY2012	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	2225000	USD
CY2011	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	862000	USD
CY2012Q4	us-gaap	Goodwill Goodwill	30334000	USD
CY2011Q4	us-gaap	Goodwill Goodwill	30334000	USD
CY2010Q4	us-gaap	Goodwill Goodwill	2064000	USD
CY2010	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	150000	USD
CY2012	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	461000	USD
CY2011	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	429000	USD
CY2011	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	513000	USD
CY2012	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	402000	USD
CY2010	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	78000	USD
CY2012	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	2398000	USD
CY2010	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	5632000	USD
CY2011	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	4702000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	6396000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	37372000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	41914000	USD
CY2011Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	6106000	USD
CY2011Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	12623000	USD
CY2012Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	7289000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	13283000	USD
CY2011Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	9522000	USD
CY2011Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	9121000	USD
CY2012Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	9245000	USD
CY2012Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	12097000	USD
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11949000	USD
CY2010	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	823000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13618000	USD
CY2011Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1994000	USD
CY2012Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4517000	USD
CY2012Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1874000	USD
CY2011Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4350000	USD
CY2011Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2316000	USD
CY2012Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4167000	USD
CY2012Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3060000	USD
CY2011Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3289000	USD
CY2011	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-1180000	USD
CY2010	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2012	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2011	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	13080000	USD
CY2012	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	14670000	USD
CY2012	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	883000	USD
CY2010	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	527000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	2386000	USD
CY2010	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	2576000	USD
CY2010	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	2239000	USD
CY2011	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	335000	USD
CY2012	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	326000	USD
CY2010	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	292000	USD
CY2011	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	186000	USD
CY2012	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-874000	USD
CY2010	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-499000	USD
CY2012	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1232000	USD
CY2011	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	994000	USD
CY2010	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	67000	USD
CY2010	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	749000	USD
CY2011	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	749000	USD
CY2011	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	717000	USD
CY2012	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	853000	USD
CY2010	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	960000	USD
CY2011	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	21621000	USD
CY2012	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	11333000	USD
CY2011	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	50000	USD
CY2010	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-286000	USD
CY2012	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-695000	USD
CY2011	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-647000	USD
CY2012	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-480000	USD
CY2010	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-636000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	6063000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-8699000	USD
CY2010	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	6026000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	16285000	USD
CY2013Q1	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	324074	shares
CY2012	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	1439000	shares
CY2011	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	1439000	shares
CY2010	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
CY2012	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	3454000	USD
CY2011	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	3159000	USD
CY2010	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2234000	USD
CY2012Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	7406000	USD
CY2011Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	9285000	USD
CY2012	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	165464000	USD
CY2011	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	142840000	USD
CY2010	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	116394000	USD
CY2012Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	40029000	USD
CY2012Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	37215000	USD
CY2012Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	42874000	USD
CY2011Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	38559000	USD
CY2012Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	45346000	USD
CY2011Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	30533000	USD
CY2011Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	34285000	USD
CY2011Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	39463000	USD
CY2012	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	154006000	USD
CY2010	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	108400000	USD
CY2011	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	130073000	USD
CY2012Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	94413000	USD
CY2011Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	167209000	USD
CY2012Q4	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	272753000	USD
CY2011Q4	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	253504000	USD
CY2010	us-gaap	Interest Expense InterestExpense	32411000	USD
CY2012	us-gaap	Interest Expense InterestExpense	23167000	USD
CY2011	us-gaap	Interest Expense InterestExpense	30155000	USD
CY2012Q3	us-gaap	Interest Expense InterestExpense	5390000	USD
CY2011Q2	us-gaap	Interest Expense InterestExpense	7555000	USD
CY2012Q1	us-gaap	Interest Expense InterestExpense	6586000	USD
CY2012Q4	us-gaap	Interest Expense InterestExpense	5295000	USD
CY2011Q3	us-gaap	Interest Expense InterestExpense	7516000	USD
CY2011Q1	us-gaap	Interest Expense InterestExpense	7825000	USD
CY2012Q2	us-gaap	Interest Expense InterestExpense	5896000	USD
CY2011Q4	us-gaap	Interest Expense InterestExpense	7259000	USD
CY2012	us-gaap	Interest Expense Domestic Deposit Liabilities Checking InterestExpenseDomesticDepositLiabilitiesChecking	721000	USD
CY2011	us-gaap	Interest Expense Domestic Deposit Liabilities Checking InterestExpenseDomesticDepositLiabilitiesChecking	811000	USD
CY2010	us-gaap	Interest Expense Domestic Deposit Liabilities Checking InterestExpenseDomesticDepositLiabilitiesChecking	847000	USD
CY2012	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	625000	USD
CY2010	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	264000	USD
CY2011	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	432000	USD
CY2011	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	3550000	USD
CY2010	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	4326000	USD
CY2012	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	3054000	USD
CY2012	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	4679000	USD
CY2010	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	6245000	USD
CY2011	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	7987000	USD
CY2012	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	275000	USD
CY2011	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	112000	USD
CY2010	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	35000	USD
CY2012	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	4082000	USD
CY2010	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	4954000	USD
CY2011	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	4515000	USD
CY2012	us-gaap	Interest Expense Time Deposits100000 Or More InterestExpenseTimeDeposits100000OrMore	7077000	USD
CY2011	us-gaap	Interest Expense Time Deposits100000 Or More InterestExpenseTimeDeposits100000OrMore	9133000	USD
CY2010	us-gaap	Interest Expense Time Deposits100000 Or More InterestExpenseTimeDeposits100000OrMore	9854000	USD
CY2011	us-gaap	Interest Expense Time Deposits Less Than100000 InterestExpenseTimeDepositsLessThan100000	3615000	USD
CY2010	us-gaap	Interest Expense Time Deposits Less Than100000 InterestExpenseTimeDepositsLessThan100000	5886000	USD
CY2012	us-gaap	Interest Expense Time Deposits Less Than100000 InterestExpenseTimeDepositsLessThan100000	2654000	USD
CY2010	us-gaap	Interest Income Domestic Deposits InterestIncomeDomesticDeposits	370000	USD
CY2012	us-gaap	Interest Income Domestic Deposits InterestIncomeDomesticDeposits	257000	USD
CY2011	us-gaap	Interest Income Domestic Deposits InterestIncomeDomesticDeposits	560000	USD
CY2010	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	50248000	USD
CY2011	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	96582000	USD
CY2012	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	119507000	USD
CY2011Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	19108000	USD
CY2012Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	26626000	USD
CY2011Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	18697000	USD
CY2011Q4	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	32348000	USD
CY2011Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	26429000	USD
CY2012Q4	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	33482000	USD
CY2012Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	25547000	USD
CY2012Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	33852000	USD
CY2011	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	112685000	USD
CY2012	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	142297000	USD
CY2010	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	83983000	USD
CY2011Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	32204000	USD
CY2011Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	26769000	USD
CY2012Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	37484000	USD
CY2011Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	31004000	USD
CY2012Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	30629000	USD
CY2012Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	34133000	USD
CY2012Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	40051000	USD
CY2011Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	22708000	USD
CY2011	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	2000	USD
CY2010	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	10000	USD
CY2012	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	0	USD
CY2012	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1009000	USD
CY2010	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	157000	USD
CY2011	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	695000	USD
CY2011	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	11142000	USD
CY2010	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	7031000	USD
CY2012	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	9877000	USD
CY2012	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	1485000	USD
CY2010	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	0	USD
CY2011	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	1485000	USD
CY2012	us-gaap	Interest Paid Net InterestPaidNet	22687000	USD
CY2011	us-gaap	Interest Paid Net InterestPaidNet	30429000	USD
CY2010	us-gaap	Interest Paid Net InterestPaidNet	33048000	USD
CY2011Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	1762000	USD
CY2012Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	1282000	USD
CY2011Q4	us-gaap	Interest Receivable InterestReceivable	9193000	USD
CY2012Q4	us-gaap	Interest Receivable InterestReceivable	8497000	USD
CY2011Q4	us-gaap	Land Land	2236000	USD
CY2011	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	3000000	USD
CY2012	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	3100000	USD
CY2012Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	34330000	USD
CY2012Q4	us-gaap	Loans And Leases Receivable Allowance Covered LoansAndLeasesReceivableAllowanceCovered	11547000	USD
CY2012	us-gaap	Labor And Related Expense LaborAndRelatedExpense	43497000	USD
CY2010	us-gaap	Labor And Related Expense LaborAndRelatedExpense	28316000	USD
CY2011	us-gaap	Labor And Related Expense LaborAndRelatedExpense	36839000	USD
CY2012Q4	us-gaap	Land Land	3263000	USD
CY2010	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	2500000	USD
CY2011Q4	us-gaap	Liabilities Liabilities	3138214000	USD
CY2012Q4	us-gaap	Liabilities Liabilities	3090041000	USD
CY2011Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3377779000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3325786000	USD
CY2011Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	37989000	USD
CY2011Q4	us-gaap	Loans And Leases Receivable Allowance Covered LoansAndLeasesReceivableAllowanceCovered	1635000	USD
CY2012Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2106039000	USD
CY2011Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	1897074000	USD
CY2012Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	2071709000	USD
CY2011Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	1859085000	USD
CY2011Q4	us-gaap	Loans And Leases Receivable Net Reported Amount Covered LoansAndLeasesReceivableNetReportedAmountCovered	298975000	USD
CY2012Q4	us-gaap	Loans And Leases Receivable Net Reported Amount Covered LoansAndLeasesReceivableNetReportedAmountCovered	189571000	USD
CY2012Q4	us-gaap	Loans And Leases Receivable Net Reported Amount Covered And Not Covered LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered	2261280000	USD
CY2011Q4	us-gaap	Loans And Leases Receivable Net Reported Amount Covered And Not Covered LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered	2158060000	USD
CY2012Q4	us-gaap	Loans Held For Sale Mortgages LoansHeldForSaleMortgages	11792000	USD
CY2011Q4	us-gaap	Loans Held For Sale Mortgages LoansHeldForSaleMortgages	6494000	USD
CY2012	us-gaap	Loss Contingency Disclosures LossContingencyDisclosures	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;">LITIGATION AND OTHER CLAIMS</font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">The Company and its subsidiaries are, from time to time, parties to various legal proceedings arising out of their businesses. Other than those described below, management believes that there are no such proceedings pending or threatened against the Company or its subsidiaries which, if determined adversely, would have a material adverse effect on the business, consolidated financial condition, results of operations or cash flows of the Company or any of its subsidiaries. </font></div><div style="line-height:120%;text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;">Distinctive Notes</font></div><div style="line-height:120%;text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">The Bank, along with other co-defendants has been named as a defendant in </font><font style="font-family:inherit;font-size:11pt;color:#000000;text-decoration:none;">two</font><font style="font-family:inherit;font-size:11pt;"> lawsuits filed by persons alleging to be clients of the Bank’s Trust division who invested in promissory notes (the "Distinctive Notes") issued by Distinctive Properties (UK) Limited (“Distinctive Properties”), a company involved in the purchase and development of real estate in the United Kingdom. The Company is unable to estimate a reasonably possible loss for the cases described below because there are significant factual issues to be determined and resolved in each case. The Company denies plaintiffs’ allegations and is vigorously defending the lawsuits. </font></div><div style="line-height:120%;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"><br clear="none"/></font></div><div style="line-height:120%;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-style:italic;font-weight:bold;">Rosemann, et al. v. Martin Sigillito, et al.  </font></div><div style="line-height:120%;text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">In </font><font style="font-family:inherit;font-size:11pt;color:#000000;text-decoration:none;">one</font><font style="font-family:inherit;font-size:11pt;"> of the lawsuits filed in United States District Court for the Eastern District of Missouri, the plaintiffs allege that the investments in the Distinctive Notes were part of a multi-million dollar Ponzi scheme. Plaintiffs allege to hold such promissory notes in accounts with the Trust division and that, among other things, the Bank was negligent and breached its contracts. Plaintiffs also allege that the Bank violated the Racketeer Influenced and Corrupt Organizations Act (“RICO”). Plaintiffs, in the aggregate, are seeking damages from defendants, including the Bank, in excess of </font><font style="font-family:inherit;font-size:11pt;color:#000000;text-decoration:none;">$44.0 million</font><font style="font-family:inherit;font-size:11pt;"> as well as their costs and attorneys’ fees and trebled damages under RICO. </font></div><div style="line-height:120%;text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"><br clear="none"/></font></div><div style="line-height:120%;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">The case was stayed while criminal proceedings against Sigillito were completed. After a four week trial, Sigillito was found guilty of </font><font style="font-family:inherit;font-size:11pt;color:#000000;text-decoration:none;">20</font><font style="font-family:inherit;font-size:11pt;"> counts of wire fraud, mail fraud, conspiracy, and money laundering. Following the verdict, the judge lifted the stay and set the case for a four week jury trial starting August 26, 2013. Discovery is currently proceeding.</font></div><div style="line-height:120%;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"><br clear="none"/></font></div><div style="line-height:120%;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-style:italic;font-weight:bold;">BJD, LLC and Barbara Dunning v. Enterprise Bank & Trust, et. al. </font></div><div style="line-height:120%;text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">The Bank has also been named as a defendant in this case filed in Circuit Court of St. Louis County, relating to BJD’s investment in the Distinctive Notes. Plaintiffs allege that the Bank, and the other defendants breached their fiduciary duties and were negligent in allowing plaintiffs to invest in the Distinctive Notes because the loan program was allegedly never funded and the assets of the borrower did not exist or were overvalued. Plaintiffs are seeking approximately </font><font style="font-family:inherit;font-size:11pt;color:#000000;text-decoration:none;">$800,000</font><font style="font-family:inherit;font-size:11pt;"> in damages, </font><font style="font-family:inherit;font-size:11pt;color:#000000;text-decoration:none;">9%</font><font style="font-family:inherit;font-size:11pt;"> interest, punitive damages, attorneys’ fees and costs. Like </font><font style="font-family:inherit;font-size:11pt;font-style:italic;">Rosemann, </font><font style="font-family:inherit;font-size:11pt;">this case was stayed while the Sigillito criminal case was pending. The court has now granted the Bank's motion to compel arbitration and stay proceedings. Arbitration proceedings are not yet underway. </font></div><div style="line-height:120%;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"><br clear="none"/></font></div><div style="line-height:120%;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"><br clear="none"/></font></div><div style="line-height:120%;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;">William Mark Scott v. Enterprise Financial Services Corp, et. al.</font></div><div style="line-height:120%;text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">On April 10, 2012, a putative class action was filed in the United States District Court for the Eastern District of Missouri captioned William Mark Scott v. Enterprise Financial Services Corp, Peter F. Benoist, and Frank H. Sanfilippo. The complaint asserts claims for violation of Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 on behalf of a putative class of purchasers of the Company's stock between April 20, 2010 and January 25, 2012, inclusive. The complaint alleges, among other things, that defendants allegedly made false and misleading statements and allegedly "failed to disclose that the Company was improperly recording income on loans covered under loss share agreements with the FDIC" and that, as a result, "the Company's financial statements were materially false and misleading at all relevant times." The action seeks unspecified damages and costs and expenses. On October 10, 2012, Plaintiff filed an amended complaint. The Company moved to dismiss the complaint on December 11, 2012 and the Plaintiff recently filed their response to the Company's motion. The Company is unable to estimate a reasonably possible loss for the case because the proceeding is in an early stage and there are significant factual issues to be determined and resolved. The Company denies plaintiffs’ allegations and is vigorously defending the lawsuit.</font></div></div>
CY2012	us-gaap	Loss Contingency Expected Trial Commencement LossContingencyExpectedTrialCommencement	2013-08
CY2010	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	425375000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-133050000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-102864000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	394000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-6282000	USD
CY2010	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-287897000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	27131000	USD
CY2010	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	49224000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	37373000	USD
CY2011	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	-298933000	USD
CY2010	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	279877000	USD
CY2012	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	-233828000	USD
CY2011	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	126953000	USD
CY2010	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	76428000	USD
CY2012	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	101325000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	25423000	USD
CY2010	us-gaap	Net Income Loss NetIncomeLoss	5573000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	28296000	USD
CY2011Q3	us-gaap	Net Income Loss NetIncomeLoss	5832000	USD
CY2012Q3	us-gaap	Net Income Loss NetIncomeLoss	7930000	USD
CY2011Q1	us-gaap	Net Income Loss NetIncomeLoss	4112000	USD
CY2012Q1	us-gaap	Net Income Loss NetIncomeLoss	6185000	USD
CY2011Q2	us-gaap	Net Income Loss NetIncomeLoss	8273000	USD
CY2011Q4	us-gaap	Net Income Loss NetIncomeLoss	7206000	USD
CY2012Q2	us-gaap	Net Income Loss NetIncomeLoss	8766000	USD
CY2012Q4	us-gaap	Net Income Loss NetIncomeLoss	5415000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	25101000	USD
CY2010	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	3106000	USD
CY2011	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	22899000	USD
CY2011Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	6570000	USD
CY2012Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4153000	USD
CY2012Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	5544000	USD
CY2011Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	5200000	USD
CY2011Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	7643000	USD
CY2012Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	8122000	USD
CY2011Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	3486000	USD
CY2012Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	7282000	USD
CY2011	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	24384000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	26586000	USD
CY2010	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	3106000	USD
CY2012	us-gaap	Noncash Or Part Noncash Acquisition Intangible Assets Acquired1 NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1	0	USD
CY2011	us-gaap	Noncash Or Part Noncash Acquisition Intangible Assets Acquired1 NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1	9061000	USD
CY2012Q4	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	686805000	USD
CY2011Q4	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	585479000	USD
CY2011	us-gaap	Noninterest Expense NoninterestExpense	77718000	USD
CY2012	us-gaap	Noninterest Expense NoninterestExpense	86677000	USD
CY2010	us-gaap	Noninterest Expense NoninterestExpense	62212000	USD
CY2012Q1	us-gaap	Noninterest Expense NoninterestExpense	21364000	USD
CY2012Q3	us-gaap	Noninterest Expense NoninterestExpense	21282000	USD
CY2011Q4	us-gaap	Noninterest Expense NoninterestExpense	23427000	USD
CY2011Q2	us-gaap	Noninterest Expense NoninterestExpense	18024000	USD
CY2012Q2	us-gaap	Noninterest Expense NoninterestExpense	21414000	USD
CY2011Q3	us-gaap	Noninterest Expense NoninterestExpense	18302000	USD
CY2012Q4	us-gaap	Noninterest Expense NoninterestExpense	22617000	USD
CY2011Q1	us-gaap	Noninterest Expense NoninterestExpense	17965000	USD
CY2011	us-gaap	Noninterest Income NoninterestIncome	18508000	USD
CY2010	us-gaap	Noninterest Income NoninterestIncome	18360000	USD
CY2012	us-gaap	Noninterest Income NoninterestIncome	9084000	USD
CY2011Q2	us-gaap	Noninterest Income NoninterestIncome	4218000	USD
CY2011Q1	us-gaap	Noninterest Income NoninterestIncome	4963000	USD
CY2011Q3	us-gaap	Noninterest Income NoninterestIncome	8726000	USD
CY2012Q4	us-gaap	Noninterest Income NoninterestIncome	-3576000	USD
CY2012Q2	us-gaap	Noninterest Income NoninterestIncome	845000	USD
CY2011Q4	us-gaap	Noninterest Income NoninterestIncome	601000	USD
CY2012Q1	us-gaap	Noninterest Income NoninterestIncome	3983000	USD
CY2012Q3	us-gaap	Noninterest Income NoninterestIncome	7832000	USD
CY2011	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	2434000	USD
CY2012	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	2897000	USD
CY2010	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	1664000	USD
CY2010	us-gaap	Origination Of Notes Receivable From Related Parties OriginationOfNotesReceivableFromRelatedParties	6411000	USD
CY2012	us-gaap	Origination Of Notes Receivable From Related Parties OriginationOfNotesReceivableFromRelatedParties	8162000	USD
CY2011	us-gaap	Origination Of Notes Receivable From Related Parties OriginationOfNotesReceivableFromRelatedParties	9927000	USD
CY2012Q4	us-gaap	Other Borrowings OtherBorrowings	233370000	USD
CY2011Q4	us-gaap	Other Borrowings OtherBorrowings	154545000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	4175000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	4188000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1506000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	-706000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	-928000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	-1272000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	450000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	715000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	522000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	-155000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	0	USD
CY2012Q4	us-gaap	Notes Payable To Bank NotesPayableToBank	11700000	USD
CY2011Q4	us-gaap	Notes Payable To Bank NotesPayableToBank	0	USD
CY2010Q4	us-gaap	Notes Receivable Related Parties NotesReceivableRelatedParties	13887000	USD
CY2012Q4	us-gaap	Notes Receivable Related Parties NotesReceivableRelatedParties	16875000	USD
CY2011Q4	us-gaap	Notes Receivable Related Parties NotesReceivableRelatedParties	13413000	USD
CY2009Q4	us-gaap	Notes Receivable Related Parties NotesReceivableRelatedParties	9240000	USD
	us-gaap	Number Of Businesses Acquired NumberOfBusinessesAcquired	4	transaction
CY2012	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segment
CY2011	us-gaap	Occupancy Net OccupancyNet	5001000	USD
CY2012	us-gaap	Occupancy Net OccupancyNet	5393000	USD
CY2010	us-gaap	Occupancy Net OccupancyNet	4297000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	19931000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	2534000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	1915000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	2363000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	2168000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	8561000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	-104000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax	0	USD
CY2010	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax	-87000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax	-58000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	4894000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	5207000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-79000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-325000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	3384000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	2771000	USD
CY2011Q4	us-gaap	Other Investments And Securities At Cost OtherInvestmentsAndSecuritiesAtCost	14527000	USD
CY2012Q4	us-gaap	Other Investments And Securities At Cost OtherInvestmentsAndSecuritiesAtCost	14294000	USD
CY2012Q4	us-gaap	Other Liabilities OtherLiabilities	19757000	USD
CY2011Q4	us-gaap	Other Liabilities OtherLiabilities	3473000	USD
CY2010	us-gaap	Other Noninterest Expense OtherNoninterestExpense	11629000	USD
CY2011	us-gaap	Other Noninterest Expense OtherNoninterestExpense	16296000	USD
CY2012	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	0	USD
CY2011	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	0	USD
CY2012	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	8714000	USD
CY2010	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	7193000	USD
CY2011	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	1655000	USD
CY2011	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	910000	USD
CY2012	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4675000	USD
CY2012	us-gaap	Other Noninterest Expense OtherNoninterestExpense	22474000	USD
CY2011	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	72449000	USD
CY2012	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	99499000	USD
CY2010	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	93778000	USD
CY2010	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-20920000	USD
CY2011	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	85034000	USD
CY2012	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	107283000	USD
CY2011	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	0	USD
CY2010	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	0	USD
CY2012	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	35000000	USD
CY2013Q1	us-gaap	Payments For Repurchase Of Warrants PaymentsForRepurchaseOfWarrants	1000000	USD
CY2010	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2012	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	45000	USD
CY2011	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2010	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	3121000	USD
CY2011	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	3577000	USD
CY2012	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	3757000	USD
CY2010	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	1750000	USD
CY2011	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	1750000	USD
CY2012	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	1711000	USD
CY2012	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	278163000	USD
CY2011	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	431374000	USD
CY2010	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	323834000	USD
CY2011	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2012	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2010	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	224471000	USD
CY2010	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	20000000	USD
CY2010	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	957000	USD
CY2010	us-gaap	Preferred Stock Accretion Of Redemption Discount PreferredStockAccretionOfRedemptionDiscount	0	USD
CY2012	us-gaap	Preferred Stock Accretion Of Redemption Discount PreferredStockAccretionOfRedemptionDiscount	0	USD
CY2011	us-gaap	Preferred Stock Accretion Of Redemption Discount PreferredStockAccretionOfRedemptionDiscount	0	USD
CY2012	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	1488000	USD
CY2010	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	1750000	USD
CY2011	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	1750000	USD
CY2011Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2012Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2012	us-gaap	Preferred Stock Redemption Discount PreferredStockRedemptionDiscount	-1707000	USD
CY2010	us-gaap	Preferred Stock Redemption Discount PreferredStockRedemptionDiscount	-717000	USD
CY2011	us-gaap	Preferred Stock Redemption Discount PreferredStockRedemptionDiscount	-774000	USD
CY2012Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2011	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	164460000	USD
CY2011	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	6061000	USD
CY2010	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	6130000	USD
CY2012	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	9238000	USD
CY2012	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	78825000	USD
CY2011Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2011Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	35000	shares
CY2012Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2011Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	35000	shares
CY2012Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2011Q4	us-gaap	Preferred Stock Value PreferredStockValue	33293000	USD
CY2012Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2012Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	64221000	USD
CY2011Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	59385000	USD
CY2012	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:6px;padding-top:6px;text-align:left;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">Certain amounts from prior years have been reclassified to conform to the current year’s presentation.</font></div></div>
CY2011	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	0	USD
CY2010	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	52780000	USD
CY2012	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	173500000	USD
CY2012	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	3000	USD
CY2010	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	14883000	USD
CY2011	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	32612000	USD
CY2012	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	12000000	USD
CY2011	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2010	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2010	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	357000	USD
CY2011	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	1468000	USD
CY2012	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	1558000	USD
CY2012	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	122955000	USD
CY2010	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	114112000	USD
CY2010	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	79995000	USD
CY2011	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	33484000	USD
CY2011	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	0	USD
CY2012	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	0	USD
CY2010	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	93000	USD
CY2011	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	84456000	USD
CY2012	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	110876000	USD
CY2010	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	126987000	USD
CY2011	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	71405000	USD
CY2012	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	93737000	USD
CY2010	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	91813000	USD
CY2010	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	17607000	USD
CY2012	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	53850000	USD
CY2011	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	43828000	USD
CY2011	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	0	USD
CY2011	us-gaap	Repayment Of Notes Receivable From Related Parties RepaymentOfNotesReceivableFromRelatedParties	-10401000	USD
CY2011	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	23254000	USD
CY2011	us-gaap	Rental Income Nonoperating RentalIncomeNonoperating	150000	USD
CY2012	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	22790000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	38702000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	42939000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	18986000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	21121000	USD
CY2011	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	16103000	USD
CY2010	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	4000000	USD
CY2012	us-gaap	Proceeds From Sales Of Business Affiliate And Productive Assets ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets	0	USD
CY2012Q4	us-gaap	Secured Debt SecuredDebt	3810000	USD
CY2010	us-gaap	Rental Income Nonoperating RentalIncomeNonoperating	126000	USD
CY2012	us-gaap	Rental Income Nonoperating RentalIncomeNonoperating	163000	USD
CY2010	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	33735000	USD
CY2012	us-gaap	Repayment Of Notes Receivable From Related Parties RepaymentOfNotesReceivableFromRelatedParties	-4700000	USD
CY2010	us-gaap	Repayment Of Notes Receivable From Related Parties RepaymentOfNotesReceivableFromRelatedParties	-1764000	USD
CY2010	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	73580000	USD
CY2012	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	195500000	USD
CY2010	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2011	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2012	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	300000	USD
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	56218000	USD
CY2011Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	35097000	USD
CY2012Q4	us-gaap	Subordinated Debt SubordinatedDebt	85081000	USD
CY2011Q4	us-gaap	Subordinated Debt SubordinatedDebt	85081000	USD
CY2012Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	229560000	USD
CY2011Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	154545000	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	2537000	USD
CY2011	us-gaap	Share Based Compensation ShareBasedCompensation	1466000	USD
CY2010	us-gaap	Share Based Compensation ShareBasedCompensation	1947000	USD
CY2011Q4	us-gaap	Secured Debt SecuredDebt	0	USD
CY2010Q4	us-gaap	Stockholders Equity StockholdersEquity	179801000	USD
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	367203	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	132000	USD
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	0	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	327000	USD
CY2012Q4	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	-177000	USD
CY2011	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	2743900	shares
CY2010	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	1931610	shares
CY2012	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	0	shares
CY2012	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	238290	shares
CY2010	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	74971	shares
CY2011	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	140561	shares
CY2010	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	14883000	USD
CY2011	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	32612000	USD
CY2012	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1561000	USD
CY2011	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1468000	USD
CY2010	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	357000	USD
CY2012	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	-35000000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	235745000	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	239565000	USD
CY2009Q4	us-gaap	Stockholders Equity StockholdersEquity	163912000	USD
CY2012Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	98000	USD
CY2012Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	3152000	USD
CY2012Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	69921000	USD
CY2012Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	334424000	USD
CY2012Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	103106000	USD
CY2012Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	69009000	USD
CY2012Q4	us-gaap	Time Deposits TimeDeposits	579710000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2012Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	396896000	USD
CY2011Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	550535000	USD
CY2012Q4	us-gaap	Time Deposits Less Than100000 TimeDepositsLessThan100000	182814000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	305000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	488000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	446000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	2884000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	38000	USD
CY2010Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	861000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	771000	USD
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17859000	shares
CY2011Q4	efsc	Accumulated Other Comprehensive Income Loss Dedesignated Derivative Amount AccumulatedOtherComprehensiveIncomeLossDedesignatedDerivativeAmount	0	USD
CY2012Q4	efsc	Accumulated Other Comprehensive Income Loss Dedesignated Derivative Amount AccumulatedOtherComprehensiveIncomeLossDedesignatedDerivativeAmount	0	USD
CY2012Q4	efsc	Amount Of Estimated Clawback Liability AmountOfEstimatedClawbackLiability	575000	USD
CY2008Q4	efsc	Amount Paid To Enter Into Series Of Interest Rate Caps AmountPaidToEnterIntoSeriesOfInterestRateCaps	2100000	USD
CY2010Q1	efsc	Amount Paid To Enter Into Series Of Interest Rate Caps AmountPaidToEnterIntoSeriesOfInterestRateCaps	751000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	114000	USD
CY2010Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	280000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	103000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	311000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	347000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	270000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	49000	USD
CY2011Q4	us-gaap	Time Deposits Less Than100000 TimeDepositsLessThan100000	266386000	USD
CY2010	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	37763000	USD
CY2011	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	22913000	USD
CY2012	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	26484000	USD
CY2012Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	76000	shares
CY2011Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	76000	shares
CY2012Q4	us-gaap	Treasury Stock Value TreasuryStockValue	1743000	USD
CY2011Q4	us-gaap	Treasury Stock Value TreasuryStockValue	1743000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1148000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1057000	USD
CY2009Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1337000	USD
CY2010Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4003000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2011	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	2849000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	741000	USD
CY2012	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">The consolidated financial statements of the Company have been prepared in conformity in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”.) In preparing the consolidated financial statements, management is required to make estimates and assumptions, which significantly affect the reported amounts in the consolidated financial statements. Such estimates include the valuation of loans, goodwill, intangible assets, indemnification assets, and other long-lived assets, along with assumptions used in the calculation of income taxes, among others. These estimates and assumptions are based on management's best estimates and judgment. Management evaluates its estimates and assumptions on an ongoing basis using historical experience and other factors, including the current economic environment, which management believes to be reasonable under the circumstances. Management adjusts such estimates and assumptions when facts and circumstances dictate. Decreased real estate values, volatile credit markets, and persistent high unemployment have combined to increase the uncertainty inherent in such estimates and assumptions. As future events and their effects cannot be determined with precision, actual results could differ significantly from these estimates. Changes in those estimates resulting from continuing changes in the economic environment will be reflected in the financial statements in future periods. </font></div></div>
CY2010	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	14747000	shares
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19338000	shares
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	18145000	shares
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	16683000	shares
CY2010	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	14747000	shares
CY2012Q4	efsc	Collateral Pledged CollateralPledged	3270000	USD
CY2012Q4	efsc	Contractual Maturities Time Deposits100000 Or More After Year Five ContractualMaturitiesTimeDeposits100000OrMoreAfterYearFive	0	USD
CY2012Q4	efsc	Contractual Maturities Time Deposits100000 Or More Next Twelve Months ContractualMaturitiesTimeDeposits100000OrMoreNextTwelveMonths	232805000	USD
CY2010	efsc	Cash Received From Acquisition Of First National Bank Of Olathe CashReceivedFromAcquisitionOfFirstNationalBankOfOlathe	0	USD
CY2011	efsc	Cash Received From Acquisition Of First National Bank Of Olathe CashReceivedFromAcquisitionOfFirstNationalBankOfOlathe	112778000	USD
CY2012	efsc	Cash Received From Acquisition Of First National Bank Of Olathe CashReceivedFromAcquisitionOfFirstNationalBankOfOlathe	12544000	USD
CY2011	efsc	Cash Received From Acquisition Of Legacy Bank CashReceivedFromAcquisitionOfLegacyBank	8926000	USD
CY2012	efsc	Cash Received From Acquisition Of Legacy Bank CashReceivedFromAcquisitionOfLegacyBank	0	USD
CY2010	efsc	Cash Received From Acquisition Of Legacy Bank CashReceivedFromAcquisitionOfLegacyBank	0	USD
CY2012Q4	efsc	Cash Reserve Deposit Required And Made In Accordance With Federal Reserve Bank Requirements CashReserveDepositRequiredAndMadeInAccordanceWithFederalReserveBankRequirements	16500000	USD
CY2011Q4	efsc	Cash Reserve Deposit Required And Made In Accordance With Federal Reserve Bank Requirements CashReserveDepositRequiredAndMadeInAccordanceWithFederalReserveBankRequirements	16600000	USD
CY2012	efsc	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Other CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldOther	5582000	USD
CY2011	efsc	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Other CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldOther	8850000	USD
CY2011	efsc	Change In Fdic Loss Share Receivable ChangeInFdicLossShareReceivable	-3494000	USD
CY2010	efsc	Change In Fdic Loss Share Receivable ChangeInFdicLossShareReceivable	99000	USD
CY2012	efsc	Change In Fdic Loss Share Receivable ChangeInFdicLossShareReceivable	-14869000	USD
CY2011Q4	efsc	Collateral Pledged CollateralPledged	2650000	USD
CY2012Q4	efsc	Contractual Maturities Time Deposits100000 Or More Year Five ContractualMaturitiesTimeDeposits100000OrMoreYearFive	2454000	USD
CY2012Q4	efsc	Contractual Maturities Time Deposits100000 Or More Year Four ContractualMaturitiesTimeDeposits100000OrMoreYearFour	48839000	USD
CY2012Q4	efsc	Contractual Maturities Time Deposits100000 Or More Year Three ContractualMaturitiesTimeDeposits100000OrMoreYearThree	77018000	USD
CY2012Q4	efsc	Contractual Maturities Time Deposits100000 Or More Year Two ContractualMaturitiesTimeDeposits100000OrMoreYearTwo	35780000	USD
CY2012Q4	efsc	Contractual Maturities Time Deposits Less Than100000 After Year Five ContractualMaturitiesTimeDepositsLessThan100000AfterYearFive	98000	USD
CY2012Q4	efsc	Contractual Maturities Time Deposits Less Than100000 Next Twelve Months ContractualMaturitiesTimeDepositsLessThan100000NextTwelveMonths	101619000	USD
CY2012Q4	efsc	Contractual Maturities Time Deposits Less Than100000 Year Five ContractualMaturitiesTimeDepositsLessThan100000YearFive	698000	USD
CY2012Q4	efsc	Contractual Maturities Time Deposits Less Than100000 Year Four ContractualMaturitiesTimeDepositsLessThan100000YearFour	21082000	USD
CY2012Q4	efsc	Contractual Maturities Time Deposits Less Than100000 Year Three ContractualMaturitiesTimeDepositsLessThan100000YearThree	26088000	USD
CY2012Q4	efsc	Contractual Maturities Time Deposits Less Than100000 Year Two ContractualMaturitiesTimeDepositsLessThan100000YearTwo	33229000	USD
CY2011	efsc	Dedesignated Derivative Instruments Gain Recognized In Income DedesignatedDerivativeInstrumentsGainRecognizedInIncome	162000	USD
CY2011Q4	efsc	Deferred Tax Assets Asset Purchase Tax Basis Difference Net DeferredTaxAssetsAssetPurchaseTaxBasisDifferenceNet	52881000	USD
CY2012Q4	efsc	Deferred Tax Assets Asset Purchase Tax Basis Difference Net DeferredTaxAssetsAssetPurchaseTaxBasisDifferenceNet	18399000	USD
CY2012Q4	efsc	Deferred Tax Assets Basis Difference On Other Real Estate DeferredTaxAssetsBasisDifferenceOnOtherRealEstate	1222000	USD
CY2011Q4	efsc	Deferred Tax Assets Basis Difference On Other Real Estate DeferredTaxAssetsBasisDifferenceOnOtherRealEstate	1382000	USD
CY2011Q4	efsc	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Deferred Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsDeferredCompensation	2272000	USD
CY2012Q4	efsc	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Deferred Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsDeferredCompensation	2815000	USD
CY2012Q3	efsc	Provision For Loan Losses Covered Under Fdic Loss Share ProvisionForLoanLossesCoveredUnderFdicLossShare	10889000	USD
CY2011Q4	efsc	Deferred Tax Liability Fdic Loss Guarantee Receivable Net DeferredTaxLiabilityFdicLossGuaranteeReceivableNet	66606000	USD
CY2012Q4	efsc	Deferred Tax Liability Fdic Loss Guarantee Receivable Net DeferredTaxLiabilityFdicLossGuaranteeReceivableNet	23259000	USD
CY2011Q4	efsc	Deferred Tax Liability State Tax Credits Held For Sale Net Of Economic Hedge DeferredTaxLiabilityStateTaxCreditsHeldForSaleNetOfEconomicHedge	1903000	USD
CY2012Q4	efsc	Deferred Tax Liability State Tax Credits Held For Sale Net Of Economic Hedge DeferredTaxLiabilityStateTaxCreditsHeldForSaleNetOfEconomicHedge	1875000	USD
CY2012	efsc	Defined Contribution Plan Employee Minimum Age To Participate DefinedContributionPlanEmployeeMinimumAgeToParticipate	P21Y
CY2012	efsc	Fdic And Other Insurance FdicAndOtherInsurance	3491000	USD
CY2010	efsc	Fdic And Other Insurance FdicAndOtherInsurance	4402000	USD
CY2011	efsc	Fdic And Other Insurance FdicAndOtherInsurance	4119000	USD
CY2012	efsc	Fdic Shared Loss Agreement Duration Bank Is Required To Reimburse Fdic FdicSharedLossAgreementDurationBankIsRequiredToReimburseFdic	P8Y
CY2012	efsc	Financing Receivable Credit Quality Time Period Expected To Return To Perform FinancingReceivableCreditQualityTimePeriodExpectedToReturnToPerform	P12M
CY2012Q4	efsc	Financing Receivable Modifications Reserve FinancingReceivableModificationsReserve	159000	USD
CY2012Q4	efsc	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing Number Of Loans FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruingNumberOfLoans	1	loan
CY2010Q4	efsc	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing Number Of Loans FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruingNumberOfLoans	0	loan
CY2011Q4	efsc	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing Number Of Loans FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruingNumberOfLoans	1	loan
CY2012Q4	efsc	Finite Lived Intangible Assets Amortization Expense Total FiniteLivedIntangibleAssetsAmortizationExpenseTotal	7406000	USD
CY2010	efsc	Gain On State Tax Credits Net GainOnStateTaxCreditsNet	2250000	USD
CY2011	efsc	Gain On State Tax Credits Net GainOnStateTaxCreditsNet	3645000	USD
CY2012	efsc	Gain On State Tax Credits Net GainOnStateTaxCreditsNet	2207000	USD
CY2011	efsc	Incremental Common Shares Attributable To Additional Dilutive Common Stock Equivalents IncrementalCommonSharesAttributableToAdditionalDilutiveCommonStockEquivalents	23000	shares
CY2012	efsc	Incremental Common Shares Attributable To Additional Dilutive Common Stock Equivalents IncrementalCommonSharesAttributableToAdditionalDilutiveCommonStockEquivalents	40000	shares
CY2010	efsc	Incremental Common Shares Attributable To Additional Dilutive Common Stock Equivalents IncrementalCommonSharesAttributableToAdditionalDilutiveCommonStockEquivalents	0	shares
CY2012Q4	efsc	Interest Bearing Deposits Greater Than90 Days InterestBearingDepositsGreaterThan90Days	1000000	USD
CY2011Q4	efsc	Interest Bearing Deposits Greater Than90 Days InterestBearingDepositsGreaterThan90Days	1502000	USD
CY2010	efsc	Loan Legal And Other Real Estate Expense LoanLegalAndOtherRealEstateExpense	9941000	USD
CY2012	efsc	Loan Legal And Other Real Estate Expense LoanLegalAndOtherRealEstateExpense	6732000	USD
CY2011	efsc	Loan Legal And Other Real Estate Expense LoanLegalAndOtherRealEstateExpense	10703000	USD
CY2011	efsc	Loans And Leases Receivable Impaired Loans Contractual Interest Including Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedLoansContractualInterestIncludingInterestLostOnNonaccrualLoans	3000000	USD
CY2010	efsc	Loans And Leases Receivable Impaired Loans Contractual Interest Including Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedLoansContractualInterestIncludingInterestLostOnNonaccrualLoans	3500000	USD
CY2012	efsc	Loans And Leases Receivable Impaired Loans Contractual Interest Including Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedLoansContractualInterestIncludingInterestLostOnNonaccrualLoans	2700000	USD
CY2011Q4	efsc	Loans Purchased From Fdic Outstanding Balance LoansPurchasedFromFdicOutstandingBalance	496200000	USD
CY2012Q4	efsc	Loans Purchased From Fdic Outstanding Balance LoansPurchasedFromFdicOutstandingBalance	301200000	USD
CY2012	efsc	Loss Contingency Expected Trial Duration LossContingencyExpectedTrialDuration	P4W
CY2011Q4	efsc	Maximum Percentage Of Shareholders Equity Security Holdings Held Of One Issuer MaximumPercentageOfShareholdersEquitySecurityHoldingsHeldOfOneIssuer	0.10
CY2012Q4	efsc	Maximum Percentage Of Shareholders Equity Security Holdings Held Of One Issuer MaximumPercentageOfShareholdersEquitySecurityHoldingsHeldOfOneIssuer	0.10
CY2012	efsc	Mortgage Backed Securities Weighted Average Life MortgageBackedSecuritiesWeightedAverageLife	P3Y
CY2011	efsc	Net Accretion Of Loan Discount And Indemnification Asset NetAccretionOfLoanDiscountAndIndemnificationAsset	13950000	USD
CY2012	efsc	Net Accretion Of Loan Discount And Indemnification Asset NetAccretionOfLoanDiscountAndIndemnificationAsset	24398000	USD
CY2010	efsc	Net Accretion Of Loan Discount And Indemnification Asset NetAccretionOfLoanDiscountAndIndemnificationAsset	5652000	USD
CY2010	efsc	Net Cash Proceeds Received From Fdic Loss Share Receivable NetCashProceedsReceivedFromFdicLossShareReceivable	5009000	USD
CY2011	efsc	Net Cash Proceeds Received From Fdic Loss Share Receivable NetCashProceedsReceivedFromFdicLossShareReceivable	41415000	USD
CY2012	efsc	Net Cash Proceeds Received From Fdic Loss Share Receivable NetCashProceedsReceivedFromFdicLossShareReceivable	91641000	USD
CY2009Q1	efsc	Number Of Interest Rate Swaps Previously Held But Now Terminated NumberOfInterestRateSwapsPreviouslyHeldButNowTerminated	2	swap_agreement
CY2012	efsc	Number Of States Company Files Income Tax Returns With NumberOfStatesCompanyFilesIncomeTaxReturnsWith	9	state
CY2011Q4	efsc	Other Real Estate Covered Under Fdic Loss Share OtherRealEstateCoveredUnderFdicLossShare	36471000	USD
CY2012Q4	efsc	Other Real Estate Covered Under Fdic Loss Share OtherRealEstateCoveredUnderFdicLossShare	17173000	USD
CY2011Q4	efsc	Other Real Estate Not Covered Under Fdic Loss Share OtherRealEstateNotCoveredUnderFdicLossShare	17217000	USD
CY2012Q4	efsc	Other Real Estate Not Covered Under Fdic Loss Share OtherRealEstateNotCoveredUnderFdicLossShare	9327000	USD
CY2010	efsc	Payments To Acquire State Tax Credits Held For Sale PaymentsToAcquireStateTaxCreditsHeldForSale	15869000	USD
CY2012	efsc	Payments To Acquire State Tax Credits Held For Sale PaymentsToAcquireStateTaxCreditsHeldForSale	19157000	USD
CY2011	efsc	Payments To Acquire State Tax Credits Held For Sale PaymentsToAcquireStateTaxCreditsHeldForSale	1838000	USD
CY2011	efsc	Prepaid Fdic Insurance PrepaidFdicInsurance	2904000	USD
CY2010	efsc	Prepaid Fdic Insurance PrepaidFdicInsurance	3027000	USD
CY2012	efsc	Prepaid Fdic Insurance PrepaidFdicInsurance	2933000	USD
CY2011	efsc	Proceeds From Sale Of State Tax Credits Held For Sale ProceedsFromSaleOfStateTaxCreditsHeldForSale	16690000	USD
CY2012	efsc	Proceeds From Sale Of State Tax Credits Held For Sale ProceedsFromSaleOfStateTaxCreditsHeldForSale	10606000	USD
CY2010	efsc	Proceeds From Sale Of State Tax Credits Held For Sale ProceedsFromSaleOfStateTaxCreditsHeldForSale	9569000	USD
CY2012	efsc	Provision For Loan Losses Covered Under Fdic Loss Share ProvisionForLoanLossesCoveredUnderFdicLossShare	14033000	USD
CY2011	efsc	Provision For Loan Losses Covered Under Fdic Loss Share ProvisionForLoanLossesCoveredUnderFdicLossShare	2803000	USD
CY2010	efsc	Provision For Loan Losses Covered Under Fdic Loss Share ProvisionForLoanLossesCoveredUnderFdicLossShare	0	USD
CY2012Q2	efsc	Provision For Loan Losses Covered Under Fdic Loss Share ProvisionForLoanLossesCoveredUnderFdicLossShare	206000	USD
CY2011Q1	efsc	Provision For Loan Losses Covered Under Fdic Loss Share ProvisionForLoanLossesCoveredUnderFdicLossShare	0	USD
CY2011Q3	efsc	Provision For Loan Losses Covered Under Fdic Loss Share ProvisionForLoanLossesCoveredUnderFdicLossShare	2672000	USD
CY2012Q4	efsc	Provision For Loan Losses Covered Under Fdic Loss Share ProvisionForLoanLossesCoveredUnderFdicLossShare	653000	USD
CY2012Q1	efsc	Provision For Loan Losses Covered Under Fdic Loss Share ProvisionForLoanLossesCoveredUnderFdicLossShare	2285000	USD
CY2011Q2	efsc	Provision For Loan Losses Covered Under Fdic Loss Share ProvisionForLoanLossesCoveredUnderFdicLossShare	275000	USD
CY2011Q4	efsc	Provision For Loan Losses Covered Under Fdic Loss Share ProvisionForLoanLossesCoveredUnderFdicLossShare	-144000	USD
CY2012	efsc	Provision For Loan Losses Not Covered Under Fdic Loss Share ProvisionForLoanLossesNotCoveredUnderFdicLossShare	8757000	USD
CY2010	efsc	Provision For Loan Losses Not Covered Under Fdic Loss Share ProvisionForLoanLossesNotCoveredUnderFdicLossShare	33735000	USD
CY2011	efsc	Provision For Loan Losses Not Covered Under Fdic Loss Share ProvisionForLoanLossesNotCoveredUnderFdicLossShare	13300000	USD
CY2012Q1	efsc	Provision For Loan Losses Not Covered Under Fdic Loss Share ProvisionForLoanLossesNotCoveredUnderFdicLossShare	1718000	USD
CY2012Q4	efsc	Provision For Loan Losses Not Covered Under Fdic Loss Share ProvisionForLoanLossesNotCoveredUnderFdicLossShare	5916000	USD
CY2012Q2	efsc	Provision For Loan Losses Not Covered Under Fdic Loss Share ProvisionForLoanLossesNotCoveredUnderFdicLossShare	75000	USD
CY2011Q4	efsc	Provision For Loan Losses Not Covered Under Fdic Loss Share ProvisionForLoanLossesNotCoveredUnderFdicLossShare	0	USD
CY2011Q2	efsc	Provision For Loan Losses Not Covered Under Fdic Loss Share ProvisionForLoanLossesNotCoveredUnderFdicLossShare	4300000	USD
CY2012Q3	efsc	Provision For Loan Losses Not Covered Under Fdic Loss Share ProvisionForLoanLossesNotCoveredUnderFdicLossShare	1048000	USD
CY2011Q3	efsc	Provision For Loan Losses Not Covered Under Fdic Loss Share ProvisionForLoanLossesNotCoveredUnderFdicLossShare	5400000	USD
CY2011Q1	efsc	Provision For Loan Losses Not Covered Under Fdic Loss Share ProvisionForLoanLossesNotCoveredUnderFdicLossShare	3600000	USD
CY2012	efsc	Sales Of Other Real Estate Financed SalesOfOtherRealEstateFinanced	5619000	USD
CY2011	efsc	Sales Of Other Real Estate Financed SalesOfOtherRealEstateFinanced	5621000	USD
CY2010	efsc	Sales Of Other Real Estate Financed SalesOfOtherRealEstateFinanced	8609000	USD
CY2012	efsc	State Tax Credit Term StateTaxCreditTerm	P10Y
CY2012Q4	efsc	State Tax Credits Held For Sale StateTaxCreditsHeldForSale	61284000	USD
CY2011Q4	efsc	State Tax Credits Held For Sale StateTaxCreditsHeldForSale	50446000	USD
CY2011Q4	efsc	State Tax Credits Held For Sale Fair Value Disclosure StateTaxCreditsHeldForSaleFairValueDisclosure	26350000	USD
CY2012Q4	efsc	State Tax Credits Held For Sale Fair Value Disclosure StateTaxCreditsHeldForSaleFairValueDisclosure	23020000	USD
CY2012Q2	dei	Entity Public Float EntityPublicFloat	182393876	USD
CY2012	dei	Entity Registrant Name EntityRegistrantName	ENTERPRISE FINANCIAL SERVICES CORP
CY2012	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2012	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2012Q4	efsc	Unrealized Gain Derivative Instruments UnrealizedGainDerivativeInstruments	1700000	USD
CY2012	efsc	Years Of Tax Credits Generated YearsOfTaxCreditsGenerated	P10Y
CY2012	dei	Amendment Flag AmendmentFlag	false
CY2012	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2012	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q4
CY2012	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2012
CY2012	dei	Document Period End Date DocumentPeriodEndDate	2012-12-31
CY2012	dei	Document Type DocumentType	10-K
CY2012	dei	Entity Central Index Key EntityCentralIndexKey	0001025835
CY2013Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	18038212	shares
CY2012	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2012	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer

Files In Submission

Name	View Source	Status
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a20121231-ex1014.htm	Edgar Link	pending
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a20121231-ex121.htm	Edgar Link	pending
a20121231-ex211.htm	Edgar Link	pending
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R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R100.htm	Edgar Link	pending
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$EFSC
Enterprise Financial Services Corp Stock $efsc

2012 Form 10-K Financial Statement

#000102583513000014 Filed on March 15, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EFSC Enterprise Financial Services Corp Stock $efsc

2012 Form 10-K Financial Statement

#000102583513000014 Filed on March 15, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EFSC
Enterprise Financial Services Corp Stock $efsc