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Represents the amount of impaired loans for which a specific reserve is established as a component of the allowance.

No definition available.

Name:	msfg_FinancingReceivableAllowanceForCreditLossImpairedLoansAmountForEstablishmentOfSpecificReserve
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Represents the past due period for payments of loans for recognizing the interest income.

No definition available.

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Represents the financing term of loans.

No definition available.

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Name:	us-gaap_AvailableforsaleSecuritiesOtherDisclosureItemsAbstract
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Percentage of voting equity interests acquired at the acquisition date in the business combination.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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Period Type:	duration

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
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Period Type: