2.4.0.81140 - Disclosure - SUBSEQUENT EVENTtruefalsefalse1false falsefalseD2013Q2YTDhttp://www.sec.gov/CIK0000720002duration2013-01-01T00:00:002013-06-30T00:00:001true 1us-gaap_SubsequentEventsAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0SUBSEQUENT EVENT2false 2us-gaap_SubsequentEventsTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div style="font-size:10.0pt;font-family:Times New Roman;"> NOTE 14 — SUBSEQUENT EVENT   On July 10, 2013, the Company notified the remaining holders of its Fixed Rate Cumulative Perpetual Preferred Stock, Series A issued under the United States Treasury’s Capital Purchase Program (“CPP Preferred Stock”) that it intended to redeem all 15,100 outstanding shares.  The effective date for the redemption will be August 12, 2013. The shares are being redeemed from third-parties that purchased the CPP Preferred Stock from the United States Department of the Treasury in a modified Dutch auction last year.  The purchase price for shares of the Company’s CPP Preferred Stock in the redemption will be the stated liquidation value of $1,000.00 per share, plus any accrued or unpaid dividends that have been earned thereon up to, but not including, the date of redemption. The Company anticipates the total cost of redeeming the remaining shares of CPP Preferred Stock will be approximately $15.3 million. The Company has received all necessary regulatory approvals to complete the planned redemption. Following the redemption, no shares of the Company’s CPP Preferred Stock will remain outstanding.   </div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.No definition available.false0SUBSEQUENT EVENTfalseSUBSEQUENT EVENTUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.mainsourcefinancial.com/role/DisclosureSubsequentEvent12