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Fair Value (Details 1) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Residential mortgage & asset backed securities [Member]
   
Securities available for sale measured at fair value on recurring basis using significant unobservable inputs (Level 3)    
Beginning Balance   $ 2,269
Transfers out of Level 3 (a)(b)   (3,988)
Total gains or losses (realized/unrealized):    
Included in earnings     
Included in other comprehensive income (unrealized)     
Purchases, issuances, sales, and settlements:    
Purchases   1,917
Settlements   (198)
Ending Balance     
Corporate notes and bonds [Member]
   
Securities available for sale measured at fair value on recurring basis using significant unobservable inputs (Level 3)    
Beginning Balance 2,060 1,240
Transfers out of Level 3 (a)(b)     
Total gains or losses (realized/unrealized):    
Included in earnings     
Included in other comprehensive income (unrealized) -80 820
Purchases, issuances, sales, and settlements:    
Purchases     
Settlements     
Ending Balance 1,980 2,060
U.S. Government sponsored entities [Member]
   
Securities available for sale measured at fair value on recurring basis using significant unobservable inputs (Level 3)    
Beginning Balance   2,000
Transfers out of Level 3 (a)(b)   (2,000)
Total gains or losses (realized/unrealized):    
Included in earnings     
Included in other comprehensive income (unrealized)     
Purchases, issuances, sales, and settlements:    
Purchases     
Settlements     
Ending Balance     
Pooled trust preferred [Member]
   
Securities available for sale measured at fair value on recurring basis using significant unobservable inputs (Level 3)    
Beginning Balance 340 1,292
Transfers out of Level 3 (a)(b)     
Total gains or losses (realized/unrealized):    
Included in earnings   (398)
Included in other comprehensive income (unrealized) 260 438
Purchases, issuances, sales, and settlements:    
Purchases     
Settlements   (992)
Ending Balance $ 600 $ 340