Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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States the interest rate applicable to Federal Home Loan Bank advances outstanding as of the Balance Sheet date.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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FHLB ADVANCES AND OTHER BORROWINGS (Details) - USD ($) $ / shares in Units, $ in Thousands		6 Months Ended
	May 25, 2017	Jun. 30, 2017	Dec. 31, 2016
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Total FHLB advances and other borrowings		$ 400,304	$ 237,518
Federal Home Loan Bank Advances, Interest Rate Information
Preferred stock, shares issued		2,636
Preferred stock, par value		$ 2	$ 2
Line of credit		$ 77,000
Advances		0
Principal payment on term loan		1,400
Qualifying collateralized loans		1,250,000	$ 1,180,000
Centrue
Federal Home Loan Bank Advances, Interest Rate Information
Qualifying collateralized loans		$ 367,300
Revolving Credit Facility [Member] \| Maximum
Federal Home Loan Bank Advances, Interest Rate Information
Line of credit	$ 10,000
one-month LIBOR \| Revolving Credit Facility [Member]
Federal Home Loan Bank Advances, Interest Rate Information
Basis spread on variable rate	2.00%
Series G Preferred Stock
Federal Home Loan Bank Advances, Interest Rate Information
Preferred stock, shares issued		181	181
Preferred stock, par value		$ 1,000
Midland States Bancorp, Inc \| Series G Preferred Stock
Federal Home Loan Bank Advances, Interest Rate Information
Long term debt		$ 181
Midland States Bank
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Total FHLB advances and other borrowings		270,000	$ 237,500
Obligations under capital leases ? implicit interest rate of 1.70% ? maturing through July 2018 \| Midland States Bank
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Total FHLB advances and other borrowings		8	18
Term loan
Federal Home Loan Bank Advances, Interest Rate Information
Face amount	$ 40,000
Term loan \| one-month LIBOR
Federal Home Loan Bank Advances, Interest Rate Information
Basis spread on variable rate	2.25%
Term loan \| Midland States Bancorp, Inc
Federal Home Loan Bank Advances, Interest Rate Information
Long term debt		$ 39,965
Term loan \| Midland States Bancorp, Inc \| LIBOR
Federal Home Loan Bank Advances, Interest Rate Information
Basis spread on variable rate		2.25%
Interest rate during the period		3.31%
Fixed rate, fixed term loan maturing through June 2018 \| Midland States Bank
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Total FHLB advances and other borrowings		$ 100,000	$ 112,500
Federal Home Loan Bank Advances, Interest Rate Information
FHLB advances interest rate		1.27%	1.00%
Putable fixed rate loan maturing through August 2023 \| Midland States Bank
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Total FHLB advances and other borrowings		$ 170,000	$ 125,000
Federal Home Loan Bank Advances, Interest Rate Information
FHLB advances interest rate		0.95%	0.79%
Fixed rate, fixed term maturing through June 2021 \| Centrue Bank
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Total FHLB advances and other borrowings		$ 51,150
Federal Home Loan Bank Advances, Interest Rate Information
FHLB advances interest rate		1.33%
Variable rate, fixed term maturing through March 2018 \| Centrue Bank
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Total FHLB advances and other borrowings		$ 39,000
Federal Home Loan Bank Advances, Interest Rate Information
FHLB advances interest rate		0.80%