Interest rate of Non-Cumulative Perpetual Preferred Stock, Series A

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- Definition

Non-cumulative Perpetual Preferred Stock, Series A, Shares Authorized

+ References

No definition available.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i)(2))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Subparagraph 2

-Article 4

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- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29

-Article 5

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- Definition

Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

+ References

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Shareholders' Equity (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Apr. 12, 2013
Shareholders Equity Narrative [Line Items]
5.875% Non-Cumulative Perpetual Preferred stock, Series A, authorized 115,000 shares	7,000,000us-gaap_PreferredStockSharesAuthorized
Non-cumulative Perpetual Preferred Stock, Series A, Shares Authorized	115,000	115,000	115,000
5.875% Non-Cumulative Perpetual Preferred stock, Series A, 100,000 outstanding	100,000us-gaap_PreferredStockSharesOutstanding	100,000us-gaap_PreferredStockSharesOutstanding	100,000us-gaap_PreferredStockSharesOutstanding
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	$ 0.8		$ 1.0
Citizens Republic Bancorp
Shareholders Equity Narrative [Line Items]
Interest rate of Non-Cumulative Perpetual Preferred Stock, Series A	5.875%
Citizens Republic Bancorp \| Citizens Republic Bancorp
Shareholders Equity Narrative [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 17.50
FirstMerit \| Citizens Republic Bancorp
Shareholders Equity Narrative [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	2,571,998			2,408,203