$EFSC
Enterprise Financial Services Corp Stock $efsc

$efsc Overview Financials Valuation SEC Filings Company Website

2018 Q4 Form 10-K Financial Statement

#000102583520000014 Filed on February 21, 2020

Income Statement

Concept	2018 Q4	2018 Q3	2018 Q2
Revenue	$64.00M	$60.76M	$57.88M
YoY Change	16.82%	15.8%	12.29%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$1.500M	$1.500M	$1.500M
YoY Change	-6.25%	0.0%	-25.0%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$13.41M	$12.66M	$10.83M
YoY Change	81.57%	85.07%	83.3%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$28.43M	$24.32M	$27.13M
YoY Change	3.95%	0.61%	55.04%
Income Tax	$4.899M	$1.802M	$4.881M
% Of Pretax Income	17.23%	7.41%	17.99%
Net Earnings	$23.53M	$22.52M	$22.25M
YoY Change	212.51%	38.01%	86.12%
Net Earnings / Revenue	36.76%	37.06%	38.44%
Basic Earnings Per Share	$1.02	$0.97	$0.96
Diluted Earnings Per Share	$1.02	$0.97	$0.95
COMMON SHARES
Basic Shares Outstanding	23.07M shares	23.15M shares	23.12M shares
Diluted Shares Outstanding		23.33M shares	23.32M shares

Balance Sheet

Concept	2018 Q4	2018 Q3	2018 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$196.6M	$156.1M	$177.3M
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	$32.11M	$32.35M	$32.81M
YoY Change	-1.56%	-1.37%	-3.45%
Goodwill	$117.3M	$117.3M	$117.3M
YoY Change	0.0%	0.0%	1.0%
Intangibles	$8.553M	$9.148M	$9.768M
YoY Change	-22.64%	-22.11%	-21.59%
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	$5.646B	$5.518B	$5.510B
YoY Change	6.74%	5.47%	9.35%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$2.000M	$2.000M	$2.000M
YoY Change	0.0%	0.0%	100.0%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$223.0M	$162.0M	$167.0M
YoY Change	-12.2%	-26.03%	-23.04%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$2.000M	$2.000M	$2.000M
YoY Change	0.0%	0.0%	100.0%
LONG-TERM LIABILITIES
Long-Term Debt	$118.0M	$118.0M	$118.0M
YoY Change	0.0%	0.0%	0.0%
Other Long-Term Liabilities	$40.00M	$37.00M	$39.00M
YoY Change	5.26%	-2.63%	25.81%
Total Long-Term Liabilities	$158.0M	$155.0M	$157.0M
YoY Change	1.28%	-0.64%	5.37%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.000M	$2.000M	$2.000M
Total Long-Term Liabilities	$158.0M	$155.0M	$157.0M
Total Liabilities	$5.042B	$4.931B	$4.936B
YoY Change	6.35%	5.24%	9.93%
SHAREHOLDERS EQUITY
Retained Earnings	$304.6M	$284.0M	$264.3M
YoY Change	35.15%	28.88%	27.92%
Common Stock	$239.0K	$239.0K	$239.0K
YoY Change	0.42%	0.84%	0.84%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$42.66M	$30.11M	$26.33M
YoY Change	83.32%	29.4%	296.95%
Treasury Stock Shares	1.127M shares	827.6K shares	756.6K shares
Shareholders Equity	$603.8M	$586.8M	$574.1M
YoY Change
Total Liabilities & Shareholders Equity	$5.646B	$5.518B	$5.510B
YoY Change	6.74%	5.47%	9.35%

Cashflow Statement

Concept	2018 Q4	2018 Q3	2018 Q2
OPERATING ACTIVITIES
Net Income	$23.53M	$22.52M	$22.25M
YoY Change	212.51%	38.01%	86.12%
Depreciation, Depletion And Amortization	$1.500M	$1.500M	$1.500M
YoY Change	-6.25%	0.0%	-25.0%
Cash From Operating Activities	$48.90M	$8.000M	$29.70M
YoY Change	51.86%	-62.26%	26.92%
INVESTING ACTIVITIES
Capital Expenditures	-$600.0K	-$500.0K	-$1.500M
YoY Change	0.0%	-37.5%	66.67%
Acquisitions
YoY Change
Other Investing Activities	-$101.2M	-$18.70M	-$95.00M
YoY Change	-11.38%	-84.94%	195.03%
Cash From Investing Activities	-$101.8M	-$19.20M	-$96.60M
YoY Change	-11.32%	-84.64%	191.84%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	93.30M	-10.00M	101.1M
YoY Change	76.37%	-105.91%	-224.05%
NET CHANGE
Cash From Operating Activities	48.90M	8.000M	29.70M
Cash From Investing Activities	-101.8M	-19.20M	-96.60M
Cash From Financing Activities	93.30M	-10.00M	101.1M
Net Change In Cash	40.40M	-21.20M	34.20M
YoY Change	-236.03%	-132.47%	-137.5%
FREE CASH FLOW
Cash From Operating Activities	$48.90M	$8.000M	$29.70M
Capital Expenditures	-$600.0K	-$500.0K	-$1.500M
Free Cash Flow	$49.50M	$8.500M	$31.20M
YoY Change	50.91%	-61.36%	28.4%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	43-1706259
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CY2019	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	305134000	USD
CY2018	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	237802000	USD
CY2017	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	202539000	USD
CY2019	us-gaap	Interest Expense Domestic Deposit Liabilities Checking InterestExpenseDomesticDepositLiabilitiesChecking	7592000	USD
CY2018	us-gaap	Interest Expense Domestic Deposit Liabilities Checking InterestExpenseDomesticDepositLiabilitiesChecking	3643000	USD
CY2017	us-gaap	Interest Expense Domestic Deposit Liabilities Checking InterestExpenseDomesticDepositLiabilitiesChecking	2195000	USD
CY2019	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	26267000	USD
CY2018	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	19361000	USD
CY2017	us-gaap	Interest Expense Money Market Deposits InterestExpenseMoneyMarketDeposits	8708000	USD
CY2019	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	841000	USD
CY2018	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	597000	USD
CY2017	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	459000	USD
CY2019	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	15156000	USD
CY2018	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	10168000	USD
CY2017	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	5838000	USD
CY2019	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	7507000	USD
CY2018	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	5798000	USD
CY2017	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	5095000	USD
CY2019	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	6668000	USD
CY2018	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	5556000	USD
CY2017	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	2356000	USD
CY2019	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	2386000	USD
CY2018	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	774000	USD
CY2017	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	584000	USD
CY2019	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	232345000	USD
CY2019	us-gaap	Interest Expense InterestExpense	66417000	USD
CY2018	us-gaap	Interest Expense InterestExpense	45897000	USD
CY2017	us-gaap	Interest Expense InterestExpense	25235000	USD
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	238717000	USD
CY2018	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	191905000	USD
CY2017	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	177304000	USD
CY2019	efsc	Provision For Loan Losses Not Covered Under Fdic Loss Share ProvisionForLoanLossesNotCoveredUnderFdicLossShare	6372000	USD
CY2018	efsc	Provision For Loan Losses Not Covered Under Fdic Loss Share ProvisionForLoanLossesNotCoveredUnderFdicLossShare	6644000	USD
CY2017	efsc	Provision For Loan Losses Not Covered Under Fdic Loss Share ProvisionForLoanLossesNotCoveredUnderFdicLossShare	10130000	USD
CY2018	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	185261000	USD
CY2017	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	167174000	USD
CY2019	us-gaap	Noninterest Income NoninterestIncome	49176000	USD
CY2018	us-gaap	Noninterest Income NoninterestIncome	38347000	USD
CY2017	us-gaap	Noninterest Income NoninterestIncome	34394000	USD
CY2019	us-gaap	Labor And Related Expense LaborAndRelatedExpense	81295000	USD
CY2018	us-gaap	Labor And Related Expense LaborAndRelatedExpense	66039000	USD
CY2017	us-gaap	Labor And Related Expense LaborAndRelatedExpense	61388000	USD
CY2019	us-gaap	Occupancy Net OccupancyNet	12465000	USD
CY2018	us-gaap	Occupancy Net OccupancyNet	9550000	USD
CY2017	us-gaap	Occupancy Net OccupancyNet	9057000	USD
CY2019	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	8242000	USD
CY2018	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	6321000	USD
CY2017	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	6272000	USD
CY2019	us-gaap	Professional Fees ProfessionalFees	3683000	USD
CY2018	us-gaap	Professional Fees ProfessionalFees	3134000	USD
CY2017	us-gaap	Professional Fees ProfessionalFees	3813000	USD
CY2019	efsc	Merger Related Expenses MergerRelatedExpenses	17969000	USD
CY2018	efsc	Merger Related Expenses MergerRelatedExpenses	1271000	USD
CY2017	efsc	Merger Related Expenses MergerRelatedExpenses	6462000	USD
CY2019	us-gaap	Other Noninterest Expense OtherNoninterestExpense	41831000	USD
CY2018	us-gaap	Other Noninterest Expense OtherNoninterestExpense	32716000	USD
CY2017	us-gaap	Other Noninterest Expense OtherNoninterestExpense	28059000	USD
CY2019	us-gaap	Noninterest Expense NoninterestExpense	165485000	USD
CY2018	us-gaap	Noninterest Expense NoninterestExpense	119031000	USD
CY2017	us-gaap	Noninterest Expense NoninterestExpense	115051000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	116036000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	104577000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	86517000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23297000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15360000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	38327000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	92739000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	89217000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	48190000	USD
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.56
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.86
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.10
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.55
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.83
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.07
CY2019	us-gaap	Net Income Loss NetIncomeLoss	92739000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	89217000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	48190000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	29189000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-4626000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-2076000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-37000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	7000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	13000	USD
CY2019	efsc	Other Comprehensive Income Loss Reclassificationofgainlossonheldtomaturitysecuritiesnetoftax OtherComprehensiveIncomeLossReclassificationofgainlossonheldtomaturitysecuritiesnetoftax	-33000	USD
CY2018	efsc	Other Comprehensive Income Loss Reclassificationofgainlossonheldtomaturitysecuritiesnetoftax OtherComprehensiveIncomeLossReclassificationofgainlossonheldtomaturitysecuritiesnetoftax	3000	USD
CY2017	efsc	Other Comprehensive Income Loss Reclassificationofgainlossonheldtomaturitysecuritiesnetoftax OtherComprehensiveIncomeLossReclassificationofgainlossonheldtomaturitysecuritiesnetoftax	12000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-2262000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	100000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	27031000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4630000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2077000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	119770000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	84587000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	46113000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	387098000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	48190000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2077000	USD
CY2017	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	10249000	USD
CY2017	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	16636000	USD
CY2017	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-2909000	USD
CY2017	efsc	Sharesissuedinconnectionwithacquisition Sharesissuedinconnectionwithacquisition	141729000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4630000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	3427000	USD
CY2017	efsc	Reclassificationfortheadoptionof Asu201609 ReclassificationfortheadoptionofASU201609	0	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	548573000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	89217000	USD
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	10845000	USD
CY2018	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	19387000	USD
CY2018	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-2576000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	3452000	USD
CY2018	efsc	Reclassificationfortheadoptionofnewaccountingstandards Reclassificationfortheadoptionofnewaccountingstandards	0	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	603804000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	92739000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	92739000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	27031000	USD
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	16568000	USD
CY2019	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	15526000	USD
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-212000	USD
CY2019	efsc	Sharesissuedinconnectionwithacquisition Sharesissuedinconnectionwithacquisition	171885000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	4032000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	867185000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	92739000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	89217000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	48190000	USD
CY2019	us-gaap	Depreciation Nonproduction DepreciationNonproduction	5719000	USD
CY2018	us-gaap	Depreciation Nonproduction DepreciationNonproduction	3532000	USD
CY2017	us-gaap	Depreciation Nonproduction DepreciationNonproduction	3281000	USD
CY2019	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	6372000	USD
CY2018	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	6644000	USD
CY2017	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	10130000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	5800000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	3307000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	21105000	USD
CY2019	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-2973000	USD
CY2018	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1691000	USD
CY2017	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-2415000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5543000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2503000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2609000	USD
CY2019	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	81941000	USD
CY2018	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	36229000	USD
CY2017	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	138949000	USD
CY2019	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	77302000	USD
CY2018	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	39310000	USD
CY2017	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	145836000	USD
CY2019	us-gaap	Gain Loss On Sale Of Debt Investments GainLossOnSaleOfDebtInvestments	-49000	USD
CY2018	us-gaap	Gain Loss On Sale Of Debt Investments GainLossOnSaleOfDebtInvestments	9000	USD
CY2017	us-gaap	Gain Loss On Sale Of Debt Investments GainLossOnSaleOfDebtInvestments	22000	USD
CY2019	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	113000	USD
CY2018	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	13000	USD
CY2017	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	93000	USD
CY2019	efsc	Gain On State Tax Credits Net GainOnStateTaxCreditsNet	2549000	USD
CY2018	efsc	Gain On State Tax Credits Net GainOnStateTaxCreditsNet	2820000	USD
CY2017	efsc	Gain On State Tax Credits Net GainOnStateTaxCreditsNet	2581000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	4032000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	3452000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	3427000	USD
CY2019	efsc	Net Accretion Of Loan Discount And Indemnification Asset NetAccretionOfLoanDiscountAndIndemnificationAsset	10494000	USD
CY2018	efsc	Net Accretion Of Loan Discount And Indemnification Asset NetAccretionOfLoanDiscountAndIndemnificationAsset	1700000	USD
CY2017	efsc	Net Accretion Of Loan Discount And Indemnification Asset NetAccretionOfLoanDiscountAndIndemnificationAsset	5609000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	12975000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	77000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	43948000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	92457000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	108808000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	45791000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	23377000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-4456000	USD
CY2019	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	284235000	USD
CY2018	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	257872000	USD
CY2017	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	270090000	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	357976000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	1451000	USD
CY2017	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	144076000	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	146132000	USD
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	84189000	USD
CY2017	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	143949000	USD
CY2019	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	7447000	USD
CY2018	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	6397000	USD
CY2017	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	6510000	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	61917000	USD
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	50274000	USD
CY2017	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	43207000	USD
CY2019	efsc	Proceeds From Sale Of State Tax Credits Held For Sale ProceedsFromSaleOfStateTaxCreditsHeldForSale	14689000	USD
CY2018	efsc	Proceeds From Sale Of State Tax Credits Held For Sale ProceedsFromSaleOfStateTaxCreditsHeldForSale	14718000	USD
CY2017	efsc	Proceeds From Sale Of State Tax Credits Held For Sale ProceedsFromSaleOfStateTaxCreditsHeldForSale	15314000	USD
CY2019	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	4798000	USD
CY2018	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	875000	USD
CY2017	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	2779000	USD
CY2019	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	0	USD
CY2018	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	1256000	USD
CY2017	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	0	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	577211000	USD
CY2018	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	172026000	USD
CY2017	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	325393000	USD
CY2019	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	68963000	USD
CY2018	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	51828000	USD
CY2017	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	56412000	USD
CY2019	efsc	Payments To Acquire State Tax Credits Held For Sale PaymentsToAcquireStateTaxCreditsHeldForSale	11356000	USD
CY2018	efsc	Payments To Acquire State Tax Credits Held For Sale PaymentsToAcquireStateTaxCreditsHeldForSale	6017000	USD
CY2017	efsc	Payments To Acquire State Tax Credits Held For Sale PaymentsToAcquireStateTaxCreditsHeldForSale	18294000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	6337000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3035000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2546000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-378520000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-331618000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-312444000	USD
CY2019	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	57551000	USD
CY2018	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	-23189000	USD
CY2017	us-gaap	Net Change Noninterest Bearing Deposits Domestic NetChangeNoninterestBearingDepositsDomestic	96681000	USD
CY2019	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	44300000	USD
CY2018	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	454760000	USD
CY2017	us-gaap	Net Change Interest Bearing Deposits Domestic NetChangeInterestBearingDepositsDomestic	61204000	USD
CY2019	efsc	Proceedsfrom Paymentsfor Short Term Fhl Bank Borrowings Financing Activities ProceedsfromPaymentsforShortTermFHLBankBorrowingsFinancingActivities	95500000	USD
CY2018	efsc	Proceedsfrom Paymentsfor Short Term Fhl Bank Borrowings Financing Activities ProceedsfromPaymentsforShortTermFHLBankBorrowingsFinancingActivities	-102500000	USD
CY2017	efsc	Proceedsfrom Paymentsfor Short Term Fhl Bank Borrowings Financing Activities ProceedsfromPaymentsforShortTermFHLBankBorrowingsFinancingActivities	172500000	USD
CY2019	efsc	Proceedsfrom Long Term Fhl Bank Borrowings Financing Activities ProceedsfromLongTermFHLBankBorrowingsFinancingActivities	50000000	USD
CY2018	efsc	Proceedsfrom Long Term Fhl Bank Borrowings Financing Activities ProceedsfromLongTermFHLBankBorrowingsFinancingActivities	0	USD
CY2017	efsc	Proceedsfrom Long Term Fhl Bank Borrowings Financing Activities ProceedsfromLongTermFHLBankBorrowingsFinancingActivities	0	USD
CY2019	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	41000000	USD
CY2018	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	2000000	USD
CY2017	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	10000000	USD
CY2019	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	8714000	USD
CY2018	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	0	USD
CY2017	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	10000000	USD
CY2019	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	9436000	USD
CY2018	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	-32224000	USD
CY2017	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	-79417000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	16568000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	10845000	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	10249000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	15526000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	19387000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	16636000	USD
CY2019	us-gaap	Payments For Repurchase Of Equity PaymentsForRepurchaseOfEquity	212000	USD
CY2018	us-gaap	Payments For Repurchase Of Equity PaymentsForRepurchaseOfEquity	2576000	USD
CY2017	us-gaap	Payments For Repurchase Of Equity PaymentsForRepurchaseOfEquity	2909000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	256767000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	266039000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	221174000	USD
CY2019	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-29296000	USD
CY2018	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	43229000	USD
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-45479000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	196552000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	153323000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	198802000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	167256000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	196552000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	153323000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	65667000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	45650000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	24610000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	13582000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	10136000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	12449000	USD
CY2019	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	8148000	USD
CY2018	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	876000	USD
CY2017	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	564000	USD
CY2019	efsc	Sales Of Other Real Estate Financed SalesOfOtherRealEstateFinanced	621000	USD
CY2018	efsc	Sales Of Other Real Estate Financed SalesOfOtherRealEstateFinanced	0	USD
CY2017	efsc	Sales Of Other Real Estate Financed SalesOfOtherRealEstateFinanced	0	USD
CY2019	us-gaap	Transfer To Investments TransferToInvestments	116303000	USD
CY2018	us-gaap	Transfer To Investments TransferToInvestments	0	USD
CY2017	us-gaap	Transfer To Investments TransferToInvestments	0	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	5208000	USD
CY2018	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	USD
CY2017	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	USD
CY2019	us-gaap	Stock Issued During Period Shares Acquisitions StockIssuedDuringPeriodSharesAcquisitions	171885000	shares
CY2018	us-gaap	Stock Issued During Period Shares Acquisitions StockIssuedDuringPeriodSharesAcquisitions	0	shares
CY2017	us-gaap	Stock Issued During Period Shares Acquisitions StockIssuedDuringPeriodSharesAcquisitions	141729000	shares
CY2019	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
CY2019	us-gaap	Use Of Estimates UseOfEstimates	The consolidated financial statements of the Company have been prepared in conformity with 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, 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 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. 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.
CY2019Q4	efsc	Cash Reserve Deposit Required And Made In Accordance With Federal Reserve Bank Requirements CashReserveDepositRequiredAndMadeInAccordanceWithFederalReserveBankRequirements	9700000	USD
CY2018Q4	efsc	Cash Reserve Deposit Required And Made In Accordance With Federal Reserve Bank Requirements CashReserveDepositRequiredAndMadeInAccordanceWithFederalReserveBankRequirements	15100000	USD
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	15500000	USD
CY2019Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	16200000	USD
CY2019	efsc	Minimum Threshold Periodof Consecutive Contractual Paymentsof Financing Receivableto No Longerbe Consideredin Nonaccrual Status MinimumThresholdPeriodofConsecutiveContractualPaymentsofFinancingReceivabletoNoLongerbeConsideredinNonaccrualStatus	P6M
CY2019	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	in prior periods have been reclassified to conform to the current presentation. The reclassifications had no effect on net income or shareholders’ equity.
CY2017Q1	efsc	Numberofoperating Jc Bbranches NumberofoperatingJCBbranches	13	branch
CY2017Q1	efsc	Cashconsiderationpershareto Jc Bshareholders CashconsiderationpersharetoJCBshareholders	85.39
CY2017Q1	efsc	Commonstockofferedpershare Commonstockofferedpershare	2.75	shares
CY2017Q1	efsc	Totalsharesawardedto Jc Bshareholders TotalsharesawardedtoJCBshareholders	3300000	shares
CY2017Q1	efsc	Totalcashpaidto Jc Bshareholdersandholdersof Jc Bstockoptions TotalcashpaidtoJCBshareholdersandholdersofJCBstockoptions	29300000	USD
CY2017Q1	efsc	Efsc Closing Stock Price EFSCClosingStockPrice	42.95	USD
CY2017Q1	efsc	Transactionvalueincluding Jc Bscommonstockandstockoptions TransactionvalueincludingJCBscommonstockandstockoptions	171000000.0	USD
CY2017	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	6500000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	92739000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	89217000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	48190000	USD
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26045000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	23100000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22953000	shares
CY2019	efsc	Incremental Common Shares Attributable To Additional Dilutive Common Stock Equivalents IncrementalCommonSharesAttributableToAdditionalDilutiveCommonStockEquivalents	114000	shares
CY2018	efsc	Incremental Common Shares Attributable To Additional Dilutive Common Stock Equivalents IncrementalCommonSharesAttributableToAdditionalDilutiveCommonStockEquivalents	189000	shares
CY2017	efsc	Incremental Common Shares Attributable To Additional Dilutive Common Stock Equivalents IncrementalCommonSharesAttributableToAdditionalDilutiveCommonStockEquivalents	296000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26159000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	23289000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	23249000	shares
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.56
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.86
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.10
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.55
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.83
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.07
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1115323000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	21548000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	1554000	USD
CY2019Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	1135317000	USD
CY2019Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	181166000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	973000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	200000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	181939000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	733279000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1487000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	13397000	USD
CY2018Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	721369000	USD
CY2018Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	65679000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	16000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	1761000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	63934000	USD
CY2019	efsc	Accumulatedothercomprehensiveincomelossavailableforsalesecuritiesadjustmentpretax Accumulatedothercomprehensiveincomelossavailableforsalesecuritiesadjustmentpretax	6900000	USD
CY2019Q4	efsc	Maximum Percentage Of Shareholders Equity Security Holdings Held Of One Issuer MaximumPercentageOfShareholdersEquitySecurityHoldingsHeldOfOneIssuer	0.10
CY2019Q4	us-gaap	Security Owned And Pledged As Collateral Fair Value SecurityOwnedAndPledgedAsCollateralFairValue	484800000	USD
CY2018Q4	us-gaap	Security Owned And Pledged As Collateral Fair Value SecurityOwnedAndPledgedAsCollateralFairValue	433700000	USD
CY2019	efsc	Mortgage Backed Securities Weighted Average Life MortgageBackedSecuritiesWeightedAverageLife	P4Y
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	959000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	978000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	0	USD
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	0	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	26825000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	27355000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	4167000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	4234000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	8646000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	8945000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	130653000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	130684000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	190764000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	196018000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	0	USD
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	0	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	888129000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	902021000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount	46346000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	47021000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1115323000	USD
CY2019Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	1135317000	USD
CY2019Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	181166000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	181939000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	73	number_of_securities
CY2018Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	131	number_of_securities
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	255984000	USD
CY2019Q4	efsc	Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses SecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses	-1319000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	41491000	USD
CY2019Q4	efsc	Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses SecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses	-435000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	297475000	USD
CY2019Q4	efsc	Securities Available For Sale Continuous Unrealized Loss Position Total Aggregate Losses SecuritiesAvailableForSaleContinuousUnrealizedLossPositionTotalAggregateLosses	-1754000	USD
CY2018Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	110081000	USD
CY2018Q4	efsc	Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses SecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses	2548000	USD
CY2018Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	492727000	USD
CY2018Q4	efsc	Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses SecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses	12610000	USD
CY2018Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	602808000	USD
CY2018Q4	efsc	Securities Available For Sale Continuous Unrealized Loss Position Total Aggregate Losses SecuritiesAvailableForSaleContinuousUnrealizedLossPositionTotalAggregateLosses	15158000	USD
CY2019	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	400000	USD
CY2018	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	9000	USD
CY2017	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	22000	USD
CY2019	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	449000	USD
CY2018	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
CY2017	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	357976000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1451000	USD
CY2017	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	144076000	USD
CY2019Q4	us-gaap	Other Investments And Securities At Cost OtherInvestmentsAndSecuritiesAtCost	38000000.0	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	5314337000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	4350001000	USD
CY2018Q4	us-gaap	Notes Receivable Related Parties NotesReceivableRelatedParties	17169000	USD
CY2017Q4	us-gaap	Notes Receivable Related Parties NotesReceivableRelatedParties	5349000	USD
CY2016Q4	us-gaap	Notes Receivable Related Parties NotesReceivableRelatedParties	15406000	USD
CY2019	us-gaap	Origination Of Notes Receivable From Related Parties OriginationOfNotesReceivableFromRelatedParties	1376000	USD
CY2018	us-gaap	Origination Of Notes Receivable From Related Parties OriginationOfNotesReceivableFromRelatedParties	13995000	USD
CY2017	us-gaap	Origination Of Notes Receivable From Related Parties OriginationOfNotesReceivableFromRelatedParties	1353000	USD
CY2019	us-gaap	Repayment Of Notes Receivable From Related Parties RepaymentOfNotesReceivableFromRelatedParties	13070000	USD
CY2018	us-gaap	Repayment Of Notes Receivable From Related Parties RepaymentOfNotesReceivableFromRelatedParties	2175000	USD
CY2017	us-gaap	Repayment Of Notes Receivable From Related Parties RepaymentOfNotesReceivableFromRelatedParties	11410000	USD
CY2019Q4	us-gaap	Notes Receivable Related Parties NotesReceivableRelatedParties	5475000	USD
CY2018Q4	us-gaap	Notes Receivable Related Parties NotesReceivableRelatedParties	17169000	USD
CY2017Q4	us-gaap	Notes Receivable Related Parties NotesReceivableRelatedParties	5349000	USD
CY2019	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	1137000	USD
CY2018	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	2153000	USD
CY2017	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	1324000	USD
CY2019	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	307000	USD
CY2018	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	284000	USD
CY2017	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	643000	USD
CY2019	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	116000	USD
CY2018	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	149000	USD
CY2017	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	63000	USD
CY2018Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	45220000	USD
CY2019	efsc	Acquisitions Acquisitions	-68184000	USD
CY2019	efsc	Principalreductionsandinterestpayments Principalreductionsandinterestpayments	42862000	USD
CY2019	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	10345000	USD
CY2019	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications To From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToFromNonaccretableDifference	14601000	USD
CY2019	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Disposals Of Loans CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans	5920000	USD
CY2019Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	89568000	USD
CY2017Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	69743000	USD
CY2018	efsc	Principalreductionsandinterestpayments Principalreductionsandinterestpayments	45668000	USD
CY2018	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	6654000	USD
CY2018	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications To From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToFromNonaccretableDifference	14491000	USD
CY2018Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	45220000	USD
CY2019Q4	efsc	Loans Purchased From Fdic Outstanding Balance LoansPurchasedFromFdicOutstandingBalance	114900000	USD
CY2018Q4	efsc	Loans Purchased From Fdic Outstanding Balance LoansPurchasedFromFdicOutstandingBalance	64700000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	3301000	USD
CY2019	us-gaap	Short Term Lease Cost ShortTermLeaseCost	288000	USD
CY2019	us-gaap	Lease Cost LeaseCost	3589000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	3300000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	5200000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	14843000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	15461000	USD
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.027	Rate
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	3054000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	3097000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	2734000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	2527000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	2146000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	3203000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	16761000	USD
CY2019	efsc	Present Value Adjustment PresentValueAdjustment	1300000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	15461000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Term Of Contract LesseeOperatingLeaseTermOfContract	P3Y
CY2019	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	900000	USD
CY2019Q4	us-gaap	Derivative Fixed Interest Rate DerivativeFixedInterestRate	0.0262	Rate
CY2019	efsc	Derivative Average Term DerivativeAverageTerm	P6Y
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	230886000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	0	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	230886000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	0	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Cash SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash	230886000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral	0	USD
CY2018Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	221450000	USD
CY2018Q4	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	0	USD
CY2018Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	221450000	USD
CY2018Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	0	USD
CY2018Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Cash SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash	221450000	USD
CY2018Q4	us-gaap	Securities Sold Under Agreements To Repurchase Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral	0	USD
CY2019Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	14800000	USD
CY2019Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	14600000	USD
CY2019Q4	us-gaap	Land Land	14079000	USD
CY2018Q4	us-gaap	Land Land	8559000	USD
CY2019Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	54838000	USD
CY2018Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	32456000	USD
CY2019Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	15178000	USD
CY2018Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	9850000	USD
CY2019Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	1373000	USD
CY2018Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	1305000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	85468000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	5700000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3500000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3300000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	210300000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	117300000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	52170000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	25455000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	20061000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	60013000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	32109000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5500000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2500000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2600000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	5608000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	4814000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	4085000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	3456000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	2828000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	5285000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	26076000	USD
CY2019Q4	efsc	Interest Bearing Domestic Deposit Brokered Nexttwelvemonths InterestBearingDomesticDepositBrokeredNexttwelvemonths	165549000	USD
CY2019Q4	efsc	Interest Bearing Domestic Deposit Other Time Deposit Next Twelve Months InterestBearingDomesticDepositOtherTimeDepositNextTwelveMonths	471076000	USD
CY2019Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	636625000	USD
CY2019Q4	efsc	Interest Bearing Domestic Deposit Brokered Year Two InterestBearingDomesticDepositBrokeredYearTwo	0	USD
CY2019Q4	efsc	Interest Bearing Domestic Deposit Other Time Deposit Year Two InterestBearingDomesticDepositOtherTimeDepositYearTwo	108209000	USD
CY2019Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	108209000	USD
CY2019Q4	efsc	Interest Bearing Domestic Deposit Brokered Year Three InterestBearingDomesticDepositBrokeredYearThree	0	USD
CY2019Q4	efsc	Interest Bearing Domestic Deposit Other Time Deposit Year Three InterestBearingDomesticDepositOtherTimeDepositYearThree	13606000	USD
CY2019Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	13606000	USD
CY2019Q4	efsc	Interest Bearing Domestic Deposit Brokered Year Four InterestBearingDomesticDepositBrokeredYearFour	25069000	USD
CY2019Q4	efsc	Interest Bearing Domestic Deposit Other Time Deposit Year Four InterestBearingDomesticDepositOtherTimeDepositYearFour	8457000	USD
CY2019Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	33526000	USD
CY2019Q4	efsc	Interest Bearing Domestic Deposit Brokered Year Five InterestBearingDomesticDepositBrokeredYearFive	25140000	USD
CY2019Q4	efsc	Interest Bearing Domestic Deposit Other Time Deposit Year Five InterestBearingDomesticDepositOtherTimeDepositYearFive	3562000	USD
CY2019Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	28702000	USD
CY2019Q4	efsc	Contractual Maturities Time Deposits100000 Or More After Year Five ContractualMaturitiesTimeDeposits100000OrMoreAfterYearFive	0	USD
CY2019Q4	efsc	Contractual Maturities Time Deposits Less Than100000 After Year Five ContractualMaturitiesTimeDepositsLessThan100000AfterYearFive	5779000	USD
CY2019Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	5779000	USD
CY2019Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	215758000	USD
CY2019Q4	us-gaap	Interest Bearing Domestic Deposit Other Time Deposit InterestBearingDomesticDepositOtherTimeDeposit	610689000	USD
CY2019Q4	us-gaap	Time Deposits TimeDeposits	826447000	USD
CY2019Q4	efsc	Time Deposits250000or More TimeDeposits250000orMore	202400000	USD
CY2018Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	10457000	USD
CY2019	efsc	Related Party Deposits RelatedPartyDeposits	3031000	USD
CY2019	efsc	Related Party Withdrawals RelatedPartyWithdrawals	-3725000	USD
CY2019Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	9763000	USD
CY2019Q4	efsc	Cdars Deposits CDARSDeposits	200000	USD
CY2019Q4	efsc	Ics Deposits ICSDeposits	147900000	USD
CY2019Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	2100000	USD
CY2018Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	2000000.0	USD
CY2019Q4	us-gaap	Subordinated Debt SubordinatedDebt	141258000	USD
CY2018Q4	us-gaap	Subordinated Debt SubordinatedDebt	118156000	USD
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-2077000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-4630000	USD
CY2019	efsc	Numberof Unconsolidated Statutory Business Trusts NumberofUnconsolidatedStatutoryBusinessTrusts	13
CY2019Q4	efsc	Investmentstrustpreferredsecurities Investmentstrustpreferredsecurities	2900000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	170000000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Of Amounts Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueWithinOneYearOfBalanceSheetDate	0.0173
CY2018Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	70000000	USD
CY2018Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Of Amounts Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueWithinOneYearOfBalanceSheetDate	0.0263
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary By Interest Rate Type One To Five Years FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeOneToFiveYears	52406000	USD
CY2019Q4	efsc	Federal Home Loan Bank Advances Maturities Summary Average Interest Rateof Amounts Duein Oneto Five Yearsof Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateofAmountsDueinOnetoFiveYearsofBalanceSheetDate	0.0162
CY2018Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary By Interest Rate Type One To Five Years FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeOneToFiveYears	0	USD
CY2018Q4	efsc	Federal Home Loan Bank Advances Maturities Summary Average Interest Rateof Amounts Duein Oneto Five Yearsof Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateofAmountsDueinOnetoFiveYearsofBalanceSheetDate	0
CY2019Q4	us-gaap	Federal Home Loan Bank Advances FederalHomeLoanBankAdvances	222406000	USD
CY2019Q4	efsc	Federal Home Loan Bank Advances Maturities Summary Average Interst Rateof Amounts FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterstRateofAmounts	0.0170
CY2018Q4	us-gaap	Federal Home Loan Bank Advances FederalHomeLoanBankAdvances	70000000	USD
CY2018Q4	efsc	Federal Home Loan Bank Advances Maturities Summary Average Interst Rateof Amounts FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterstRateofAmounts	0.0263
CY2019Q4	us-gaap	Convertible Debt ConvertibleDebt	50000000	USD
CY2019	efsc	Convertibleadvancesweightedaverageinterestrate Convertibleadvancesweightedaverageinterestrate	0.0156	Rate
CY2019Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	4700000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	230886000	USD
CY2018Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	221450000	USD
CY2016Q1	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	25000000	USD
CY2019Q4	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2018Q4	us-gaap	Line Of Credit LineOfCredit	2000000	USD
CY2019Q4	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	40000000.0	USD
CY2019Q4	us-gaap	Loans Payable LoansPayable	34286000	USD
CY2019	us-gaap	Loss Contingency Disclosures LossContingencyDisclosures	LITIGATION AND OTHER CONTINGENCIES <div style="line-height:120%;text-align:justify;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div><div style="line-height:120%;text-align:justify;font-size:11pt;"><span 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. Management believes there are no such legal proceedings pending or threatened against the Company or its subsidiaries in the ordinary course of business, directly, indirectly, or in the aggregate that, 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. </span></div><div style="line-height:120%;text-align:justify;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;"><br/></span></div><div style="line-height:120%;text-align:justify;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;">As previously reported, in connection with its acquisition of Trinity/LANB, the Company, as successor-in-interest to Trinity, was a party to certain consolidated proceedings pending in the First Judicial Circuit Court for the State of New Mexico, styled Trinity Capital Corporation, et al v. Atlantic Specialty Ins. Co., et al. The lawsuit sought declaratory relief, defense costs, and damages related to claims for bad faith breach of insurance contracts and violations of New </span></div>Mexico insurance statutes. In January 2020, the parties settled all pending matters related to the pending claims and lawsuit, and proceeds were received by the Company in connection with this settlement. In addition, the pending proceedings were dismissed on January 31, 2020.
CY2019Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	1530530	shares
CY2018Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	1580816	shares
CY2015Q2	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	2000000	shares
CY2019Q4	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	552158	shares
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2018	efsc	Share Based Compensation Arrangement By Share Based Payment Award Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantsInPeriodWeightedAverageGrantDateFairValue	50190
CY2019	efsc	Share Based Compensation Arrangement By Share Based Payment Award Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantsInPeriodWeightedAverageGrantDateFairValue	47460
CY2018	efsc	Other Comprehensive Income Loss Netof Tax Adjustment For Change In Accounting Policy Portion Attributableto Parent OtherComprehensiveIncomeLossNetofTaxAdjustmentForChangeInAccountingPolicyPortionAttributabletoParent	-834000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	27031000	USD
CY2019	us-gaap	Debt Securities Held To Maturity Transfer Derivative Hedge Gain Loss DebtSecuritiesHeldToMaturityTransferDerivativeHedgeGainLoss	0	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	500000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1600000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2100000	USD
CY2019Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	4600000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4032000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3452000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3427000	USD
CY2019Q1	us-gaap	Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures	99308	shares
CY2018Q1	us-gaap	Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures	134600	shares
CY2018	efsc	Target Shares Issuableas Long Term Incentive Awards TargetSharesIssuableasLongTermIncentiveAwards	15726000	USD
CY2019	efsc	Target Shares Issuableas Long Term Incentive Awards TargetSharesIssuableasLongTermIncentiveAwards	20860000	USD
CY2018	efsc	Maximum Shares Issuableas Long Term Incentive Awards MaximumSharesIssuableasLongTermIncentiveAwards	31452000	USD
CY2019	efsc	Maximum Shares Issuableas Long Term Incentive Awards MaximumSharesIssuableasLongTermIncentiveAwards	41720000	USD
CY2018	efsc	Unrecognized Compensation Cost Long Term Incentives UnrecognizedCompensationCostLongTermIncentives	440000000	USD
CY2019	efsc	Unrecognized Compensation Cost Long Term Incentives UnrecognizedCompensationCostLongTermIncentives	705000000	USD
CY2019	efsc	Defined Contribution Plan Employee Minimum Age To Participate DefinedContributionPlanEmployeeMinimumAgeToParticipate	P21Y
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	3200000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2800000	USD
CY2017	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2000000.0	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	15470000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	9621000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	15845000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2027000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2432000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1377000	USD
CY2019	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	17497000	USD
CY2018	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	12053000	USD
CY2017	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	17222000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	4262000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2812000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	20989000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1538000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	495000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	116000	USD
CY2019	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	5800000	USD
CY2018	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	3307000	USD
CY2017	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	21105000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23297000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15360000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	38327000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	24368000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	21961000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	30281000	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	962000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	506000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	961000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2816000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2423000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1676000	USD
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Life Insurance IncomeTaxReconciliationNondeductibleExpenseLifeInsurance	628000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Life Insurance IncomeTaxReconciliationNondeductibleExpenseLifeInsurance	452000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Life Insurance IncomeTaxReconciliationNondeductibleExpenseLifeInsurance	715000	USD
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	749000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	294000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	407000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	12117000	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	278000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	50000	USD
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CY2019	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	526000	USD
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$EFSC
Enterprise Financial Services Corp Stock $efsc

2018 Q4 Form 10-K Financial Statement

#000102583520000014 Filed on February 21, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EFSC Enterprise Financial Services Corp Stock $efsc

2018 Q4 Form 10-K Financial Statement

#000102583520000014 Filed on February 21, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EFSC
Enterprise Financial Services Corp Stock $efsc