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Related Party Transactions (Details Textual) (USD $)
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1 Months Ended | 2 Months Ended | 12 Months Ended | |||
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Dec. 31, 2012
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Feb. 29, 2012
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Mar. 07, 2013
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Dec. 31, 2012
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Feb. 28, 2013
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Dec. 31, 2011
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| Related Party Transactions (Textual) [Abstract] | ||||||
| Deposit accounts | $ 22,200,000 | $ 22,200,000 | $ 26,500,000 | |||
| Repurchased shares | 750,000 | 335,649 | 750,000 | 750,000 | ||
| Repurchase of common stock | $ 11,580,000 | $ 4,363,437 | $ 9,500,000 | $ 14,445,000 | ||
| Per share price | $ 15.44 | $ 13.00 | $ 19 | $ 15.44 | ||
| Transferred shares | 115,384 | |||||
| Remaining shares | 220,265 | |||||
| X | ||||||||||
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- Definition
Aggregate deposit with related party. No definition available.
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- Details
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| X | ||||||||||
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- Definition
Repurchase common stock shares transferred to employee stock ownership plan. No definition available.
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- Definition
Stock repurchase program remaining number of shares retired. No definition available.
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- Definition
The cash outflow to reacquire common stock during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. No definition available.
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