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Borrowings (Details 1) (USD $)
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3 Months Ended | ||
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Mar. 31, 2013
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Dec. 31, 2012
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Mar. 31, 2012
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| Trust preferred capital notes qualify for Tier 1 capital | |||
| Principal | $ 58,500,000 | ||
| Investment | 113,445,000 | 113,844,000 | 111,569,000 |
| Spread to 3-Month LIBOR | 1.45% | ||
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Trust Preferred Capital Note - Statutory Trust I [Member]
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| Trust preferred capital notes qualify for Tier 1 capital | |||
| Principal | 22,500,000 | ||
| Investment | 696,000 | ||
| Spread to 3-Month LIBOR | 2.75% | ||
| Rate | 3.03% | ||
| Maturity | Jun. 17, 2034 | ||
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Trust Preferred Capital Note - Statutory Trust II [Member]
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| Trust preferred capital notes qualify for Tier 1 capital | |||
| Principal | 36,000,000 | ||
| Investment | $ 1,114,000 | ||
| Spread to 3-Month LIBOR | 1.40% | ||
| Rate | 1.68% | ||
| Maturity | Jun. 15, 2036 |
| X | ||||||||||
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- Definition
The percentage points added to the reference rate to compute the variable rate on the debt instrument. No definition available.
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| X | ||||||||||
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- Definition
Interest rate stated in the contractual debt agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
Date of maturity of a debt security categorized as held-to-maturity, in CCYY-MM-DD format. No definition available.
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| X | ||||||||||
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- Definition
The aggregate carrying amounts, as of the balance sheet date, of assets not separately disclosed in the balance sheet. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash inflow from issuance of preferred stocks by a business trust or other special purpose entity, mainly established by a bank holding entity, to third party investors. The trust's assets are deeply subordinated debentures of the bank holding entity. Most trust preferred securities are subject to a mandatory redemption upon the repayment of the debentures. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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