XML 18 R37.htm IDEA: XBRL DOCUMENT v2.4.0.6
Securities (Details 1) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Amortized cost and fair value of securities by contractual maturity    
Held for Investment, Amortized Cost, Due in less than one year $ 0  
Held for Investment, Fair Value, Due in less than one year 0  
Available for Sale Amortized Cost, Due in less than one year 1,700  
Available for Sale, Fair Value, Due in less than one year 1,711  
Held for Investment, Amortized Cost, Due after one year through five years 376  
Held for Investment, Fair Value, Due after one year through five years 379  
Available for Sale, Amortized Cost, Due after one year through five years 441  
Available for Sale, Fair Value, Due after one year through five years 472  
Held for Investment, Amortized Cost, Due after five years through ten years 1,254  
Held for Investment, Fair Value, Due after five years through ten years 1,371  
Available for Sale, Amortized Cost, Due after five years through ten years 406  
Available for Sale, Fair Value, Due after five years through ten years 433  
Held for Investment, Amortized Cost, Due after ten years 5,029  
Held for Investment, Fair Value, Due after ten years 5,688  
Available for Sale, Amortized Cost, Due after ten years 0  
Available for Sale, Fair Value, Due after ten years 0  
Held for Investment, Amortized Cost, Total 6,659  
Held for Investment, Fair Value, Total 7,438  
Available for Sale, Amortized Cost, Total 2,547  
Available for Sale, Fair Value, Total 2,616  
Gross Amortized Cost, Held for Investment Securities 15,556 19,977
Fair value, Held for Investment Securities 16,334 20,487
Gross Amortized Cost, Available for Sale 580,813 639,847
Fair Value, Available for Sale 588,248 648,362
Mortgage-backed securities of U.S Government Sponsored Entities [Member]
   
Amortized cost and fair value of securities by contractual maturity    
Gross Amortized Cost, Held for Investment Securities 0  
Fair value, Held for Investment Securities 0  
Gross Amortized Cost, Available for Sale 169,569 135,665
Fair Value, Available for Sale 173,540 138,447
Collateralized mortgage obligations of U.S. Government Sponsored Entities [Member]
   
Amortized cost and fair value of securities by contractual maturity    
Gross Amortized Cost, Held for Investment Securities 5,991 10,475
Fair value, Held for Investment Securities 5,886 10,339
Gross Amortized Cost, Available for Sale 315,420 428,139
Fair Value, Available for Sale 316,887 436,934
Private collateralized mortgage obligations [Member]
   
Amortized cost and fair value of securities by contractual maturity    
Gross Amortized Cost, Held for Investment Securities 1,406 1,840
Fair value, Held for Investment Securities 1,443 1,880
Gross Amortized Cost, Available for Sale 93,277 73,247
Fair Value, Available for Sale 95,205 70,090
No contractual maturity [Member]
   
Amortized cost and fair value of securities by contractual maturity    
Gross Amortized Cost, Held for Investment Securities 1,500  
Fair value, Held for Investment Securities 1,567  
Gross Amortized Cost, Available for Sale 0  
Fair Value, Available for Sale $ 0