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Fair Value Measurements (Details Textuals) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Fair Value Measurements (Textuals) [Abstract]    
Other real estate owned measured at fair value $ 29,000,000 $ 47,000,000
Write down of Other Real Estate Owned 4,000,000 8,000,000
Commitment on standby letters of credit $ 250,030,000 $ 303,705,000
Fair Value, Option, Quantitative Disclosures [Line Items]    
Closing ratio 91.00%  
Weighted average discount rate 10.10%  
Weighted average constant prepayment rate 12.70%  
MaximumMember
   
Fair Value, Option, Quantitative Disclosures [Line Items]    
Weighted average discount rate 30.00%  
MinimumMember
   
Fair Value, Option, Quantitative Disclosures [Line Items]    
Weighted average discount rate 25.00%