$MSBI
Midland States Bancorp Inc Stock $msbi

$msbi Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-Q Financial Statement

#000146602621000012 Filed on November 04, 2021

Income Statement

Concept	2021 Q4	2021 Q3	2020 Q3
Revenue
YoY Change
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	$3.500M	$1.400M	$2.200M
YoY Change	-10.26%	-36.36%	22.22%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$7.094M	$10.33M
YoY Change		-31.35%	-33.57%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$30.60M	$25.43M	$3.270M
YoY Change	184.76%	677.68%	-80.38%
Income Tax	$7.490M	$5.883M	$3.184M
% Of Pretax Income	24.48%	23.13%	97.37%
Net Earnings	$23.11M	$19.55M	$86.00K
YoY Change	177.33%	22630.23%	-99.32%
Net Earnings / Revenue
Basic Earnings Per Share		$0.86	$0.00
Diluted Earnings Per Share	$1.034M	$0.86	$0.00
COMMON SHARES
Basic Shares Outstanding	22.02M shares	22.52M shares	22.94M shares
Diluted Shares Outstanding		22.58M shares	22.94M shares

Balance Sheet

Concept	2021 Q4	2021 Q3	2020 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.587B	$1.553B	$1.071B
YoY Change	55.84%	45.04%	-0.12%
Cash & Equivalents	$680.4M	$662.6M	$461.2M
Short-Term Investments	$906.6M	$890.8M	$609.8M
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$79.22M	$71.24M	$74.97M
YoY Change	6.87%	-4.97%	-20.16%
Goodwill	$161.9M	$161.9M	$161.9M
YoY Change	0.0%	0.0%	-5.36%
Intangibles	$24.37M	$26.07M	$29.94M
YoY Change	-14.12%	-12.94%	-18.4%
Long-Term Investments	$36.30M	$42.20M	$50.80M
YoY Change	-35.87%	-16.93%	11.89%
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$7.444B	$7.094B	$6.700B
YoY Change	8.38%	5.88%	9.59%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable			$4.100M
YoY Change			-39.71%
Accrued Expenses	$10.70M	$10.80M	$13.00M
YoY Change	-10.83%	-16.92%	-20.73%
Deferred Revenue
YoY Change
Short-Term Debt	$76.80M	$66.67M	$58.63M
YoY Change	11.38%	13.72%	-52.06%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$10.70M	$10.80M	$17.10M
YoY Change	-10.83%	-36.84%	-26.29%
LONG-TERM LIABILITIES
Long-Term Debt	$188.5M	$188.2M	$218.4M
YoY Change	-13.77%	-13.83%	-9.34%
Other Long-Term Liabilities	$83.20M	$128.9M	$54.90M
YoY Change	23.44%	134.79%	-10.88%
Total Long-Term Liabilities	$271.7M	$317.1M	$273.3M
YoY Change	-5.0%	16.03%	-9.65%
TOTAL LIABILITIES
Total Short-Term Liabilities	$10.70M	$10.80M	$17.10M
Total Long-Term Liabilities	$271.7M	$317.1M	$273.3M
Total Liabilities	$6.780B	$6.436B	$6.078B
YoY Change	8.53%	5.89%	11.35%
SHAREHOLDERS EQUITY
Retained Earnings	$212.5M	$195.6M	$154.0M
YoY Change	35.92%	27.0%	-3.19%
Common Stock	$221.0K	$222.0K	$226.0K
YoY Change	-0.9%	-1.77%	-7.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$663.8M	$657.8M	$621.9M
YoY Change
Total Liabilities & Shareholders Equity	$7.444B	$7.094B	$6.700B
YoY Change	8.38%	5.88%	9.59%

Cashflow Statement

Concept	2021 Q4	2021 Q3	2020 Q3
OPERATING ACTIVITIES
Net Income	$23.11M	$19.55M	$86.00K
YoY Change	177.33%	22630.23%	-99.32%
Depreciation, Depletion And Amortization	$3.500M	$1.400M	$2.200M
YoY Change	-10.26%	-36.36%	22.22%
Cash From Operating Activities	$33.30M	$84.40M	$189.3M
YoY Change	-64.27%	-55.41%	291.12%
INVESTING ACTIVITIES
Capital Expenditures	-$800.0K	-$900.0K	-$700.0K
YoY Change	33.33%	28.57%	-22.22%
Acquisitions
YoY Change
Other Investing Activities	-$392.5M	-$230.6M	-$303.3M
YoY Change	6.34%	-23.97%	376.14%
Cash From Investing Activities	-$393.3M	-$231.5M	-$304.0M
YoY Change	6.38%	-23.85%	370.59%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	377.7M	384.6M	56.10M
YoY Change	140.88%	585.56%	-68.85%
NET CHANGE
Cash From Operating Activities	33.30M	84.40M	189.3M
Cash From Investing Activities	-393.3M	-231.5M	-304.0M
Cash From Financing Activities	377.7M	384.6M	56.10M
Net Change In Cash	17.70M	237.5M	-58.60M
YoY Change	-114.79%	-505.29%	-135.75%
FREE CASH FLOW
Cash From Operating Activities	$33.30M	$84.40M	$189.3M
Capital Expenditures	-$800.0K	-$900.0K	-$700.0K
Free Cash Flow	$34.10M	$85.30M	$190.0M
YoY Change	-63.65%	-55.11%	285.4%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0001466026
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-35272
	dei	Entity Registrant Name EntityRegistrantName	MIDLAND STATES BANCORP, INC.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	IL
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	37-1233196
	dei	Entity Address Address Line1 EntityAddressAddressLine1	1201 Network Centre Drive
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	62401
	dei	Entity Address City Or Town EntityAddressCityOrTown	Effingham
	dei	Entity Address State Or Province EntityAddressStateOrProvince	IL
	dei	City Area Code CityAreaCode	217
	dei	Local Phone Number LocalPhoneNumber	342-7321
	dei	Security12b Title Security12bTitle	Common stock, $0.01 par value
	dei	Trading Symbol TradingSymbol	MSBI
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
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	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	150448000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	111317000	USD
CY2021Q3	msbi	Wealth Management Revenue WealthManagementRevenue	7175000	USD
CY2020Q3	msbi	Wealth Management Revenue WealthManagementRevenue	5559000	USD
	msbi	Wealth Management Revenue WealthManagementRevenue	19635000	USD
	msbi	Wealth Management Revenue WealthManagementRevenue	16934000	USD
CY2021Q3	msbi	Fees And Commissions Mortgage Banking And Servicing And Other Commercial FeesAndCommissionsMortgageBankingAndServicingAndOtherCommercial	411000	USD
CY2020Q3	msbi	Fees And Commissions Mortgage Banking And Servicing And Other Commercial FeesAndCommissionsMortgageBankingAndServicingAndOtherCommercial	926000	USD
	msbi	Fees And Commissions Mortgage Banking And Servicing And Other Commercial FeesAndCommissionsMortgageBankingAndServicingAndOtherCommercial	1045000	USD
	msbi	Fees And Commissions Mortgage Banking And Servicing And Other Commercial FeesAndCommissionsMortgageBankingAndServicingAndOtherCommercial	5607000	USD
CY2021Q3	msbi	Fees And Commissions Mortgage Banking And Servicing And Other Residential FeesAndCommissionsMortgageBankingAndServicingAndOtherResidential	1287000	USD
CY2020Q3	msbi	Fees And Commissions Mortgage Banking And Servicing And Other Residential FeesAndCommissionsMortgageBankingAndServicingAndOtherResidential	3049000	USD
	msbi	Fees And Commissions Mortgage Banking And Servicing And Other Residential FeesAndCommissionsMortgageBankingAndServicingAndOtherResidential	4423000	USD
	msbi	Fees And Commissions Mortgage Banking And Servicing And Other Residential FeesAndCommissionsMortgageBankingAndServicingAndOtherResidential	7527000	USD
CY2021Q3	msbi	Commissions And Fees Income From Depositor Accounts CommissionsAndFeesIncomeFromDepositorAccounts	2268000	USD
CY2020Q3	msbi	Commissions And Fees Income From Depositor Accounts CommissionsAndFeesIncomeFromDepositorAccounts	2092000	USD
	msbi	Commissions And Fees Income From Depositor Accounts CommissionsAndFeesIncomeFromDepositorAccounts	6010000	USD
	msbi	Commissions And Fees Income From Depositor Accounts CommissionsAndFeesIncomeFromDepositorAccounts	6454000	USD
CY2021Q3	msbi	Fees And Commissions From Debit Cards FeesAndCommissionsFromDebitCards	3651000	USD
CY2020Q3	msbi	Fees And Commissions From Debit Cards FeesAndCommissionsFromDebitCards	3283000	USD
	msbi	Fees And Commissions From Debit Cards FeesAndCommissionsFromDebitCards	10823000	USD
	msbi	Fees And Commissions From Debit Cards FeesAndCommissionsFromDebitCards	9129000	USD
CY2021Q3	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	160000	USD
CY2020Q3	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	1721000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	537000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	1721000	USD
CY2021Q3	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	3037000	USD
CY2020Q3	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	1418000	USD
	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	5460000	USD
	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	9993000	USD
CY2021Q3	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	869000	USD
CY2020Q3	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	897000	USD
	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	2592000	USD
	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	2689000	USD
CY2021Q3	us-gaap	Noninterest Income Other NoninterestIncomeOther	2359000	USD
CY2020Q3	us-gaap	Noninterest Income Other NoninterestIncomeOther	2810000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	7771000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	6845000	USD
CY2021Q3	us-gaap	Noninterest Income NoninterestIncome	15143000	USD
CY2020Q3	us-gaap	Noninterest Income NoninterestIncome	18919000	USD
	us-gaap	Noninterest Income NoninterestIncome	47376000	USD
	us-gaap	Noninterest Income NoninterestIncome	46913000	USD
CY2021Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	22175000	USD
CY2020Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	21118000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	64774000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	62921000	USD
CY2021Q3	us-gaap	Occupancy Net OccupancyNet	3701000	USD
CY2020Q3	us-gaap	Occupancy Net OccupancyNet	4866000	USD
	us-gaap	Occupancy Net OccupancyNet	11437000	USD
	us-gaap	Occupancy Net OccupancyNet	14021000	USD
CY2021Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	6495000	USD
CY2020Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	5722000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	18776000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	16657000	USD
CY2021Q3	us-gaap	Professional Fees ProfessionalFees	1738000	USD
CY2020Q3	us-gaap	Professional Fees ProfessionalFees	1861000	USD
	us-gaap	Professional Fees ProfessionalFees	9472000	USD
	us-gaap	Professional Fees ProfessionalFees	5322000	USD
CY2021Q3	us-gaap	Marketing Expense MarketingExpense	860000	USD
CY2020Q3	us-gaap	Marketing Expense MarketingExpense	738000	USD
	us-gaap	Marketing Expense MarketingExpense	2037000	USD
	us-gaap	Marketing Expense MarketingExpense	2513000	USD
CY2021Q3	us-gaap	Communication Communication	689000	USD
CY2020Q3	us-gaap	Communication Communication	916000	USD
	us-gaap	Communication Communication	2335000	USD
	us-gaap	Communication Communication	3152000	USD
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1445000	USD
CY2020Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1557000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4430000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4948000	USD
CY2021Q3	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0	USD
CY2020Q3	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	12651000	USD
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0	USD
	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	12857000	USD
CY2021Q3	msbi	Federal Home Loan Bank Advances Prepayment Fees FederalHomeLoanBankAdvancesPrepaymentFees	0	USD
CY2020Q3	msbi	Federal Home Loan Bank Advances Prepayment Fees FederalHomeLoanBankAdvancesPrepaymentFees	0	USD
	msbi	Federal Home Loan Bank Advances Prepayment Fees FederalHomeLoanBankAdvancesPrepaymentFees	3677000	USD
	msbi	Federal Home Loan Bank Advances Prepayment Fees FederalHomeLoanBankAdvancesPrepaymentFees	0	USD
CY2021Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	4189000	USD
CY2020Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	4472000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	12374000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	14571000	USD
CY2021Q3	us-gaap	Noninterest Expense NoninterestExpense	41292000	USD
CY2020Q3	us-gaap	Noninterest Expense NoninterestExpense	53901000	USD
	us-gaap	Noninterest Expense NoninterestExpense	129312000	USD
	us-gaap	Noninterest Expense NoninterestExpense	136962000	USD
CY2021Q3	us-gaap	Income Loss Attributable To Parent IncomeLossAttributableToParent	25431000	USD
CY2020Q3	us-gaap	Income Loss Attributable To Parent IncomeLossAttributableToParent	3270000	USD
	us-gaap	Income Loss Attributable To Parent IncomeLossAttributableToParent	68512000	USD
	us-gaap	Income Loss Attributable To Parent IncomeLossAttributableToParent	21268000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5883000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3184000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10302000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7064000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	19548000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	86000	USD
	us-gaap	Net Income Loss NetIncomeLoss	58210000	USD
	us-gaap	Net Income Loss NetIncomeLoss	14204000	USD
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.86
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.00
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.56
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.59
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.86
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.00
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.55
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.59
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22520499	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22937837	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22544898	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	23567000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	22577880	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	22937837	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	22613972	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	23578518	shares
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	19548000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	86000	USD
	us-gaap	Net Income Loss NetIncomeLoss	58210000	USD
	us-gaap	Net Income Loss NetIncomeLoss	14204000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	662000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-134000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-5514000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	5260000	USD
CY2021Q3	msbi	Other Comprehensive Income Loss Provision For Credit Loss OtherComprehensiveIncomeLossProvisionForCreditLoss	-184000	USD
CY2020Q3	msbi	Other Comprehensive Income Loss Provision For Credit Loss OtherComprehensiveIncomeLossProvisionForCreditLoss	181000	USD
	msbi	Other Comprehensive Income Loss Provision For Credit Loss OtherComprehensiveIncomeLossProvisionForCreditLoss	-224000	USD
	msbi	Other Comprehensive Income Loss Provision For Credit Loss OtherComprehensiveIncomeLossProvisionForCreditLoss	308000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	160000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	1721000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	537000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	1721000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	87000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-460000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-1726000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	1058000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	231000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1214000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-4549000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2789000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	729000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	-137000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	5881000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	-1120000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	201000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	-38000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	1618000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	-308000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	528000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-99000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	4263000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-812000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	759000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1313000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-286000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1977000	USD
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	20307000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-1227000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	57924000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	16181000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	648186000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	19548000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	759000	USD
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.28
CY2021Q3	msbi	Dividends Common Stock And Share Based Compensation DividendsCommonStockAndShareBasedCompensation	6299000	USD
CY2021Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	5240000	USD
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	438000	USD
CY2021Q3	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	452000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	657844000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	621391000	USD
	us-gaap	Net Income Loss NetIncomeLoss	58210000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-286000	USD
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.84
	msbi	Dividends Common Stock And Share Based Compensation DividendsCommonStockAndShareBasedCompensation	18927000	USD
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	6448000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1424000	USD
	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	2480000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	657844000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	633589000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	86000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1313000	USD
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.2675
CY2020Q3	msbi	Dividends Common Stock And Share Based Compensation DividendsCommonStockAndShareBasedCompensation	6111000	USD
CY2020Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	5011000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	406000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	234000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	621880000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	661911000	USD
	us-gaap	Net Income Loss NetIncomeLoss	14204000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1977000	USD
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.8025
	msbi	Dividends Common Stock And Share Based Compensation DividendsCommonStockAndShareBasedCompensation	18926000	USD
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	32730000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1624000	USD
	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	992000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	621880000	USD
	us-gaap	Profit Loss ProfitLoss	58210000	USD
	us-gaap	Profit Loss ProfitLoss	14204000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	2926000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	34303000	USD
	us-gaap	Depreciation Depreciation	4223000	USD
	us-gaap	Depreciation Depreciation	5499000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4430000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4948000	USD
	msbi	Amortization Of Operating Lease Right Of Use Asset AmortizationOfOperatingLeaseRightOfUseAsset	1281000	USD
	msbi	Amortization Of Operating Lease Right Of Use Asset AmortizationOfOperatingLeaseRightOfUseAsset	2179000	USD
	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	2497000	USD
	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	2544000	USD
	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	1424000	USD
	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	1624000	USD
	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	2592000	USD
	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	2689000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-3141000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-2445000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	537000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	1721000	USD
	msbi	Gains Losses On Sales Of Other Real Estate Excluding Write Downs GainsLossesOnSalesOfOtherRealEstateExcludingWriteDowns	418000	USD
	msbi	Gains Losses On Sales Of Other Real Estate Excluding Write Downs GainsLossesOnSalesOfOtherRealEstateExcludingWriteDowns	-6000	USD
	msbi	Write Down Of Other Real Estate Owned WriteDownOfOtherRealEstateOwned	426000	USD
	msbi	Write Down Of Other Real Estate Owned WriteDownOfOtherRealEstateOwned	1282000	USD
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	394905000	USD
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	500684000	USD
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	634445000	USD
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	855015000	USD
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	3799000	USD
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	12128000	USD
	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	5460000	USD
	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	9993000	USD
	msbi	Gain Loss On Sale Of Mortgage Service Rights Held For Sale GainLossOnSaleOfMortgageServiceRightsHeldForSale	-222000	USD
	msbi	Gain Loss On Sale Of Mortgage Service Rights Held For Sale GainLossOnSaleOfMortgageServiceRightsHeldForSale	-1075000	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	0	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-12857000	USD
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-1502000	USD
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	8715000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	21279000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	14292000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	4436000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-1885000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	301093000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	405860000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	338456000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	134799000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	14777000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	164213000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	154107000	USD
	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	232000	USD
	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	3280000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-55487000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	959915000	USD
	msbi	Proceeds From Sale Of Commercial Fha Origination Platform ProceedsFromSaleOfCommercialFHAOriginationPlatform	0	USD
	msbi	Proceeds From Sale Of Commercial Fha Origination Platform ProceedsFromSaleOfCommercialFHAOriginationPlatform	7500000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1853000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1989000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	646000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	7000	USD
	msbi	Payments To Acquire Nonmarketable Equity Securities PaymentsToAcquireNonmarketableEquitySecurities	0	USD
	msbi	Payments To Acquire Nonmarketable Equity Securities PaymentsToAcquireNonmarketableEquitySecurities	6260000	USD
	msbi	Proceeds From Sale Of Nonmarketable Equity Securities ProceedsFromSaleOfNonmarketableEquitySecurities	14405000	USD
	msbi	Proceeds From Sale Of Nonmarketable Equity Securities ProceedsFromSaleOfNonmarketableEquitySecurities	0	USD
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	9089000	USD
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	1900000	USD
	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	550000	USD
	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	0	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	2715000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-85189000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-942729000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	500360000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	484482000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-2291000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-23404000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	350000000	USD
	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	304000000	USD
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	689000000	USD
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	103604000	USD
	us-gaap	Repayments Of Subordinated Debt RepaymentsOfSubordinatedDebt	31075000	USD
	us-gaap	Repayments Of Subordinated Debt RepaymentsOfSubordinatedDebt	7250000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	18927000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	18926000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	6448000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	32730000	USD
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	2480000	USD
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	992000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	105099000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	603560000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	321003000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	66691000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	341640000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	394505000	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	662643000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	461196000	USD
	us-gaap	Interest Paid Net InterestPaidNet	25561000	USD
	us-gaap	Interest Paid Net InterestPaidNet	38905000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-6648000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2562000	USD
	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	123117000	USD
	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	390628000	USD
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	583000	USD
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	12359000	USD
	msbi	Transfer Of Premises And Equipment To Assets Held For Sale TransferOfPremisesAndEquipmentToAssetsHeldForSale	0	USD
	msbi	Transfer Of Premises And Equipment To Assets Held For Sale TransferOfPremisesAndEquipmentToAssetsHeldForSale	11344000	USD
	msbi	Pending Settlements On Securities Sold Purchased Net PendingSettlementsOnSecuritiesSoldPurchasedNet	62923000	USD
	msbi	Pending Settlements On Securities Sold Purchased Net PendingSettlementsOnSecuritiesSoldPurchasedNet	-23151000	USD
	us-gaap	Nature Of Operations NatureOfOperations	B<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%">USINESS</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"> D</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%">ESCRIPTION</span><div style="margin-bottom:12pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Midland States Bancorp, Inc. (the “Company,” “we,” “our,” or “us”) is a diversified financial holding company headquartered in Effingham, Illinois. Our wholly owned banking subsidiary, Midland States Bank (the “Bank”), has branches across Illinois and in Missouri, and provides a full range of commercial and consumer banking products and services, business equipment financing, merchant credit card services, trust and investment management services, and insurance and financial planning services. </span></div><div style="margin-bottom:12pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Our principal business activity has been lending to and accepting deposits from individuals, businesses, municipalities and other entities. We have derived income principally from interest charged on loans and, to a lesser extent, from interest and dividends earned on investment securities. We have also derived income from noninterest sources, such as: fees received in connection with various lending and deposit services; wealth management services; commercial Federal Housing Administration ("FHA") mortgage loan servicing; residential mortgage loan originations, sales and servicing; and, from time to time, gains on sales of assets. Our principal expenses include interest expense on deposits and borrowings, operating expenses, such as salaries and employee benefits, occupancy and equipment expenses, data processing costs, professional fees and other noninterest expenses, provisions for credit losses and income tax expense.</span></div>
CY2021Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	881829000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	13964000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	4874000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	142000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	890777000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	661713000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	16510000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	1146000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	366000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	676711000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis	18619000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	18770000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis	85146000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	87740000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis	250694000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	256065000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis	39978000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	41172000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	487392000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	487030000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	881829000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	890777000	USD
CY2021Q3	msbi	Proceeds From Sale Of Debt Securities Available For Sale Settled And Not Yet Settled ProceedsFromSaleOfDebtSecuritiesAvailableForSaleSettledAndNotYetSettled	2160000	USD
CY2020Q3	msbi	Proceeds From Sale Of Debt Securities Available For Sale Settled And Not Yet Settled ProceedsFromSaleOfDebtSecuritiesAvailableForSaleSettledAndNotYetSettled	28256000	USD
	msbi	Proceeds From Sale Of Debt Securities Available For Sale Settled And Not Yet Settled ProceedsFromSaleOfDebtSecuritiesAvailableForSaleSettledAndNotYetSettled	14777000	USD
	msbi	Proceeds From Sale Of Debt Securities Available For Sale Settled And Not Yet Settled ProceedsFromSaleOfDebtSecuritiesAvailableForSaleSettledAndNotYetSettled	28256000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	160000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	1721000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	537000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	1721000	USD
CY2021Q2	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	326000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Not Previously Recorded DebtSecuritiesAvailableForSaleAllowanceForCreditLossNotPreviouslyRecorded	-184000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	142000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	366000	USD
	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Not Previously Recorded DebtSecuritiesAvailableForSaleAllowanceForCreditLossNotPreviouslyRecorded	-224000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	142000	USD
CY2020Q2	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	127000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Not Previously Recorded DebtSecuritiesAvailableForSaleAllowanceForCreditLossNotPreviouslyRecorded	181000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	308000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Not Previously Recorded DebtSecuritiesAvailableForSaleAllowanceForCreditLossNotPreviouslyRecorded	308000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	308000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	297850000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	4148000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	11749000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	494000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	309599000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	4642000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	56085000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	666000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	0	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	56085000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	666000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	78	security
CY2021Q3	msbi	Available For Sale Securities In Unrealized Loss Positions Aggregate Depreciation Percentage AvailableForSaleSecuritiesInUnrealizedLossPositionsAggregateDepreciationPercentage	0.0148
CY2021Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	4915554000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	5103331000	USD
CY2021Q3	us-gaap	Financing Receivable Deferred Income FinancingReceivableDeferredIncome	4300000	USD
CY2020Q4	us-gaap	Financing Receivable Deferred Income FinancingReceivableDeferredIncome	700000	USD
CY2021Q3	us-gaap	Deferred Discounts Finance Charges And Interest Included In Receivables DeferredDiscountsFinanceChargesAndInterestIncludedInReceivables	45900000	USD
CY2020Q4	us-gaap	Deferred Discounts Finance Charges And Interest Included In Receivables DeferredDiscountsFinanceChargesAndInterestIncludedInReceivables	46500000	USD
CY2021Q3	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	26600000	USD
CY2020Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	138100000	USD
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	58664000	USD
CY2021Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	0	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	3660000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	671000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	55675000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	60443000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	3950000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	10271000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1553000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	55675000	USD
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	47093000	USD
CY2020Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	10970000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	5661000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	369000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	52771000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	28028000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	33149000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	22349000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1160000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	52771000	USD
CY2021Q3	msbi	Financing Receivables Probability Of Default Non Accrual Loans Threshold Balance Minimum FinancingReceivablesProbabilityOfDefaultNonAccrualLoansThresholdBalanceMinimum	500000	USD
CY2021Q3	msbi	Financing Receivable Nonaccrual With Allowance FinancingReceivableNonaccrualWithAllowance	25004000	USD
CY2021Q3	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	23054000	USD
CY2021Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	48058000	USD
CY2020Q4	msbi	Financing Receivable Nonaccrual With Allowance FinancingReceivableNonaccrualWithAllowance	38489000	USD
CY2020Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	11139000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	49628000	USD
	us-gaap	Financing Receivable Change In Present Value Interest Income FinancingReceivableChangeInPresentValueInterestIncome	0	USD
CY2020Q3	us-gaap	Financing Receivable Change In Present Value Interest Income FinancingReceivableChangeInPresentValueInterestIncome	0	USD
CY2021Q3	us-gaap	Financing Receivable Change In Present Value Interest Income FinancingReceivableChangeInPresentValueInterestIncome	0	USD
	us-gaap	Financing Receivable Change In Present Value Interest Income FinancingReceivableChangeInPresentValueInterestIncome	0	USD
CY2021Q3	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	600000	USD
	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	2100000	USD
CY2020Q3	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	600000	USD
	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	2600000	USD
CY2021Q3	msbi	Loans And Leases Receivable Impaired Troubled Debt Interest Income Recognized LoansAndLeasesReceivableImpairedTroubledDebtInterestIncomeRecognized	21000	USD
	msbi	Loans And Leases Receivable Impaired Troubled Debt Interest Income Recognized LoansAndLeasesReceivableImpairedTroubledDebtInterestIncomeRecognized	94000	USD
CY2020Q3	msbi	Loans And Leases Receivable Impaired Troubled Debt Interest Income Recognized LoansAndLeasesReceivableImpairedTroubledDebtInterestIncomeRecognized	17000	USD
	msbi	Loans And Leases Receivable Impaired Troubled Debt Interest Income Recognized LoansAndLeasesReceivableImpairedTroubledDebtInterestIncomeRecognized	46000	USD
CY2021Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	4915554000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	5103331000	USD
CY2021Q3	msbi	Financing Receivable Modifications Recorded Investment Accruing FinancingReceivableModificationsRecordedInvestmentAccruing	6244000	USD
CY2021Q3	msbi	Financing Receivable Modifications Recorded Investment Nonaccrual FinancingReceivableModificationsRecordedInvestmentNonaccrual	6653000	USD
CY2021Q3	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	12897000	USD
CY2020Q4	msbi	Financing Receivable Modifications Recorded Investment Accruing FinancingReceivableModificationsRecordedInvestmentAccruing	2901000	USD
CY2020Q4	msbi	Financing Receivable Modifications Recorded Investment Nonaccrual FinancingReceivableModificationsRecordedInvestmentNonaccrual	9524000	USD
CY2020Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	12425000	USD
	us-gaap	Financing Receivable Change In Method Credit Loss Expense Reversal FinancingReceivableChangeInMethodCreditLossExpenseReversal	700000	USD
CY2020	us-gaap	Financing Receivable Change In Method Credit Loss Expense Reversal FinancingReceivableChangeInMethodCreditLossExpenseReversal	800000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0	USD
CY2021Q3	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0	USD
CY2021Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	6	loan
CY2021Q3	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	500000	USD
CY2021Q3	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	478000	USD
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	20	loan
	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	3336000	USD
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	3309000	USD
CY2020Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	14	loan
CY2020Q3	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	1736000	USD
CY2020Q3	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	1657000	USD
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	31	loan
	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	4303000	USD
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	4067000	USD
	msbi	Number Of Main Regions NumberOfMainRegions	4	region
CY2021Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	116271000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	115292000	USD
CY2021Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	45030000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	41168000	USD
CY2021Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	71241000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	74124000	USD
CY2021Q3	us-gaap	Depreciation Depreciation	1400000	USD
	us-gaap	Depreciation Depreciation	4200000	USD
CY2020Q3	us-gaap	Depreciation Depreciation	2200000	USD
	us-gaap	Depreciation Depreciation	5500000	USD
CY2021Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	8500000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	9200000	USD
CY2021Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	10800000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	12000000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P10Y
CY2021Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	510000	USD
CY2020Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	883000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	1547000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	2453000	USD
CY2021Q3	us-gaap	Operating Lease Payments OperatingLeasePayments	589000	USD
CY2020Q3	us-gaap	Operating Lease Payments OperatingLeasePayments	942000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	1975000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	2669000	USD
CY2021Q3	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	USD
CY2020Q3	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	96000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	689000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1536000	USD
CY2021Q3	msbi	Operating Leases Right Of Use Assets Derecognized Due To Terminations Or Impairment OperatingLeasesRightOfUseAssetsDerecognizedDueToTerminationsOrImpairment	0	USD
CY2020Q3	msbi	Operating Leases Right Of Use Assets Derecognized Due To Terminations Or Impairment OperatingLeasesRightOfUseAssetsDerecognizedDueToTerminationsOrImpairment	4440000	USD
	msbi	Operating Leases Right Of Use Assets Derecognized Due To Terminations Or Impairment OperatingLeasesRightOfUseAssetsDerecognizedDueToTerminationsOrImpairment	210000	USD
	msbi	Operating Leases Right Of Use Assets Derecognized Due To Terminations Or Impairment OperatingLeasesRightOfUseAssetsDerecognizedDueToTerminationsOrImpairment	4453000	USD
CY2021Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y9M18D
CY2020Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y3M18D
CY2021Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y9M18D
CY2020Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y3M18D
CY2021Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0288
CY2020Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0289
CY2021Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0288
CY2020Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0289
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	374000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	2244000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	2014000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1718000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	814000	USD
CY2021Q3	msbi	Lessee Operating Lease Liability Payments Due After Year Four LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour	4947000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	12111000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1324000	USD
CY2021Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	10787000	USD
CY2021Q2	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	33732000	USD
CY2020Q2	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	56751000	USD
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	38322000	USD
CY2019Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	57637000	USD
CY2021Q3	msbi	Servicing Asset At Amortized Cost Refinancing Fee Received From Third Party ServicingAssetAtAmortizedCostRefinancingFeeReceivedFromThirdParty	-165000	USD
CY2020Q3	msbi	Servicing Asset At Amortized Cost Refinancing Fee Received From Third Party ServicingAssetAtAmortizedCostRefinancingFeeReceivedFromThirdParty	0	USD
	msbi	Servicing Asset At Amortized Cost Refinancing Fee Received From Third Party ServicingAssetAtAmortizedCostRefinancingFeeReceivedFromThirdParty	439000	USD
	msbi	Servicing Asset At Amortized Cost Refinancing Fee Received From Third Party ServicingAssetAtAmortizedCostRefinancingFeeReceivedFromThirdParty	0	USD
CY2021Q3	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	30139000	USD
CY2020Q3	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	56278000	USD
CY2021Q3	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	30139000	USD
CY2020Q3	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	56278000	USD
CY2021Q2	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0	USD
CY2020Q2	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	13519000	USD
CY2020Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0	USD
CY2019Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	4944000	USD
CY2021Q3	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveries	0	USD
CY2020Q3	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveries	1418000	USD
	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveries	0	USD
	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveries	9993000	USD
CY2021Q3	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Aggregate Write Downs ValuationAllowanceForImpairmentOfRecognizedServicingAssetsAggregateWriteDowns	0	USD
CY2020Q3	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Aggregate Write Downs ValuationAllowanceForImpairmentOfRecognizedServicingAssetsAggregateWriteDowns	0	USD
	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Aggregate Write Downs ValuationAllowanceForImpairmentOfRecognizedServicingAssetsAggregateWriteDowns	0	USD
	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Aggregate Write Downs ValuationAllowanceForImpairmentOfRecognizedServicingAssetsAggregateWriteDowns	0	USD
CY2021Q3	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0	USD
CY2020Q3	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	14937000	USD
CY2021Q3	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0	USD
CY2020Q3	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	14937000	USD
CY2021Q3	msbi	Servicing Asset At Fair Value Amount Net Of Valuation Allowance ServicingAssetAtFairValueAmountNetOfValuationAllowance	30139000	USD
CY2020Q3	msbi	Servicing Asset At Fair Value Amount Net Of Valuation Allowance ServicingAssetAtFairValueAmountNetOfValuationAllowance	41341000	USD
CY2021Q3	msbi	Servicing Asset At Fair Value Amount Net Of Valuation Allowance ServicingAssetAtFairValueAmountNetOfValuationAllowance	30139000	USD
CY2020Q3	msbi	Servicing Asset At Fair Value Amount Net Of Valuation Allowance ServicingAssetAtFairValueAmountNetOfValuationAllowance	41341000	USD
CY2021Q2	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	34255000	USD
CY2020Q2	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	43232000	USD
CY2020Q4	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	38322000	USD
CY2019Q4	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	52693000	USD
CY2021Q3	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	31012000	USD
CY2020Q3	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	41341000	USD
CY2021Q3	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	31012000	USD
CY2020Q3	us-gaap	Servicing Asset At Amortized Value Fair Value ServicingAssetAtAmortizedValueFairValue	41341000	USD
	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.0819
CY2020	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Prepayment Speed ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed	0.0818
	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.1177
CY2020	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.1148
CY2021Q3	us-gaap	Goodwill Goodwill	161904000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	161904000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	73196000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	47131000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	26065000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	71083000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	42701000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	28382000	USD
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1400000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4400000	USD
CY2020Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1600000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4900000	USD
CY2021Q3	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-400000	USD
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-1300000	USD
CY2020Q3	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-1700000	USD
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-400000	USD
CY2021Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	1672901000	USD
CY2020Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	1469579000	USD
CY2021Q3	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	1697326000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Checking InterestBearingDomesticDepositChecking	1568888000	USD
CY2021Q3	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	852836000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	785871000	USD
CY2021Q3	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	665710000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	597966000	USD
CY2021Q3	us-gaap	Interest Bearing Domestic Deposit Time Deposits InterestBearingDomesticDepositTimeDeposits	712603000	USD
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Time Deposits InterestBearingDomesticDepositTimeDeposits	678712000	USD
CY2021Q3	us-gaap	Deposits Deposits	5601376000	USD
CY2020Q4	us-gaap	Deposits Deposits	5101016000	USD
CY2021Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	66666000	USD
CY2020Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	68957000	USD
	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	69764000	USD
CY2020	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	60306000	USD
	us-gaap	Shortterm Debt Maximum Monthend Outstanding Amount ShorttermDebtMaximumMonthendOutstandingAmount	77497000	USD
CY2020	us-gaap	Shortterm Debt Maximum Monthend Outstanding Amount ShorttermDebtMaximumMonthendOutstandingAmount	77136000	USD
	msbi	Short Term Debt Weighted Average Interest Rate During Period ShortTermDebtWeightedAverageInterestRateDuringPeriod	0.0012
CY2020	msbi	Short Term Debt Weighted Average Interest Rate During Period ShortTermDebtWeightedAverageInterestRateDuringPeriod	0.0030
CY2021Q3	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0012
CY2020Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0012
CY2021Q3	us-gaap	Collateralized Agreements CollateralizedAgreements	79700000	USD
CY2020Q4	us-gaap	Collateralized Agreements CollateralizedAgreements	76500000	USD
CY2020Q4	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2021Q3	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2021Q3	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	45000000	USD
CY2021Q3	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	440171000	USD
CY2020Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	779171000	USD
CY2021Q3	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	2090000000.00	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	1860000000	USD
CY2021Q3	us-gaap	Subordinated Debt SubordinatedDebt	138998000	USD
CY2020Q4	us-gaap	Subordinated Debt SubordinatedDebt	169795000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	19548000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	86000	USD
	us-gaap	Net Income Loss NetIncomeLoss	58210000	USD
	us-gaap	Net Income Loss NetIncomeLoss	14204000	USD
CY2021Q3	us-gaap	Dividends Common Stock DividendsCommonStock	6239000	USD
CY2020Q3	us-gaap	Dividends Common Stock DividendsCommonStock	6047000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	18741000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	18732000	USD
CY2021Q3	us-gaap	Dividends Share Based Compensation DividendsShareBasedCompensation	60000	USD
CY2020Q3	us-gaap	Dividends Share Based Compensation DividendsShareBasedCompensation	64000	USD
	us-gaap	Dividends Share Based Compensation DividendsShareBasedCompensation	186000	USD
	us-gaap	Dividends Share Based Compensation DividendsShareBasedCompensation	194000	USD
CY2021Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	126000	USD
CY2020Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	0	USD
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	386000	USD
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	0	USD
CY2021Q3	msbi	Undistributed Earnings To Common Shareholders UndistributedEarningsToCommonShareholders	13123000	USD
CY2020Q3	msbi	Undistributed Earnings To Common Shareholders UndistributedEarningsToCommonShareholders	-6025000	USD
	msbi	Undistributed Earnings To Common Shareholders UndistributedEarningsToCommonShareholders	38897000	USD
	msbi	Undistributed Earnings To Common Shareholders UndistributedEarningsToCommonShareholders	-4722000	USD
CY2021Q3	us-gaap	Dividends Common Stock DividendsCommonStock	6239000	USD
CY2020Q3	us-gaap	Dividends Common Stock DividendsCommonStock	6047000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	18741000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	18732000	USD
CY2021Q3	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Basic UndistributedEarningsLossAvailableToCommonShareholdersBasic	13123000	USD
CY2020Q3	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Basic UndistributedEarningsLossAvailableToCommonShareholdersBasic	-6025000	USD
	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Basic UndistributedEarningsLossAvailableToCommonShareholdersBasic	38897000	USD
	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Basic UndistributedEarningsLossAvailableToCommonShareholdersBasic	-4722000	USD
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	19362000	USD
CY2020Q3	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	0	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	22000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	57638000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	14010000	USD
CY2021Q3	us-gaap	Dividends Common Stock DividendsCommonStock	6239000	USD
CY2020Q3	us-gaap	Dividends Common Stock DividendsCommonStock	6047000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	18741000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	18732000	USD
CY2021Q3	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Diluted UndistributedEarningsLossAvailableToCommonShareholdersDiluted	13123000	USD
CY2020Q3	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Diluted UndistributedEarningsLossAvailableToCommonShareholdersDiluted	-6025000	USD
	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Diluted UndistributedEarningsLossAvailableToCommonShareholdersDiluted	38897000	USD
	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Diluted UndistributedEarningsLossAvailableToCommonShareholdersDiluted	-4722000	USD
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	19362000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	22000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	57638000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	14010000	USD
CY2021Q3	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	0	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	153374000	USD
	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	1000	USD
	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	0	USD
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	19362000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	22000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	57639000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	14010000	USD
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22520499	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22937837	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22544898	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	23567000	shares
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	57381	shares
CY2020Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	69074	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	11518	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	22577880	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	22937837	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	22613972	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	23578518	shares
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.86
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.00
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.56
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.59
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.86
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.00
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.55
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.59
CY2021Q3	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	26621000	USD
CY2021Q3	us-gaap	Fair Value Option Loans Held As Assets Aggregate Difference FairValueOptionLoansHeldAsAssetsAggregateDifference	499000	USD
CY2021Q3	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	26122000	USD
CY2020Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	138090000	USD
CY2020Q4	us-gaap	Fair Value Option Loans Held As Assets Aggregate Difference FairValueOptionLoansHeldAsAssetsAggregateDifference	810000	USD
CY2020Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	137280000	USD
CY2021Q3	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	-231000	USD
CY2020Q3	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	-270000	USD
	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	-361000	USD
	us-gaap	Fair Value Option Changes In Fair Value Gain Loss1 FairValueOptionChangesInFairValueGainLoss1	517000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5883000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	19548000	USD
CY2021Q3	us-gaap	Loss Contingency Estimate Of Possible Loss LossContingencyEstimateOfPossibleLoss	0	USD
CY2021Q3	us-gaap	Loss Contingency Loss In Period LossContingencyLossInPeriod	0	USD
CY2020Q3	us-gaap	Loss Contingency Loss In Period LossContingencyLossInPeriod	0	USD
	us-gaap	Loss Contingency Loss In Period LossContingencyLossInPeriod	0	USD
	us-gaap	Loss Contingency Loss In Period LossContingencyLossInPeriod	0	USD
CY2021Q3	msbi	Liability For Unresolved Repurchase Demands LiabilityForUnresolvedRepurchaseDemands	200000	USD
CY2020Q4	msbi	Liability For Unresolved Repurchase Demands LiabilityForUnresolvedRepurchaseDemands	300000	USD
CY2021Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	51396000	USD
CY2021Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-184000	USD
CY2021Q3	us-gaap	Noninterest Income NoninterestIncome	15143000	USD
CY2021Q3	us-gaap	Noninterest Expense NoninterestExpense	41292000	USD
CY2021Q3	us-gaap	Income Loss Attributable To Parent IncomeLossAttributableToParent	25431000	USD
	us-gaap	Noninterest Income NoninterestIncome	47376000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	2926000	USD
CY2021Q3	us-gaap	Assets Assets	7093959000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	34303000	USD
	us-gaap	Noninterest Expense NoninterestExpense	129312000	USD
	us-gaap	Income Loss Attributable To Parent IncomeLossAttributableToParent	68512000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10302000	USD
	us-gaap	Net Income Loss NetIncomeLoss	58210000	USD
CY2021Q3	us-gaap	Assets Assets	7093959000	USD
CY2020Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	49980000	USD
CY2020Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	11728000	USD
CY2020Q3	us-gaap	Noninterest Income NoninterestIncome	18919000	USD
CY2020Q3	us-gaap	Noninterest Expense NoninterestExpense	53901000	USD
CY2020Q3	us-gaap	Income Loss Attributable To Parent IncomeLossAttributableToParent	3270000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3184000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	86000	USD
CY2020Q3	us-gaap	Assets Assets	6700045000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	145620000	USD
	us-gaap	Noninterest Income NoninterestIncome	46913000	USD
	us-gaap	Noninterest Expense NoninterestExpense	136962000	USD
	us-gaap	Income Loss Attributable To Parent IncomeLossAttributableToParent	21268000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7064000	USD
	us-gaap	Net Income Loss NetIncomeLoss	14204000	USD
CY2020Q3	us-gaap	Assets Assets	6700045000	USD

Files In Submission

Name	View Source	Status
0001466026-21-000012-index-headers.html	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
msbi-20210930.htm	Edgar Link	pending
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msbi-20210930_cal.xml	Edgar Link	unprocessable
msbi-20210930_def.xml	Edgar Link	unprocessable
msbi-20210930_htm.xml	Edgar Link	completed
msbi-20210930_lab.xml	Edgar Link	unprocessable
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$MSBI
Midland States Bancorp Inc Stock $msbi

2021 Q4 Form 10-Q Financial Statement

#000146602621000012 Filed on November 04, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MSBI Midland States Bancorp Inc Stock $msbi

2021 Q4 Form 10-Q Financial Statement

#000146602621000012 Filed on November 04, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MSBI
Midland States Bancorp Inc Stock $msbi