XML 24 R57.htm IDEA: XBRL DOCUMENT v2.4.0.6
Securities Sold Under Agreement to Repurchase (Details) (USD $)
In Thousands, unless otherwise specified
0 Months Ended 1 Months Ended 12 Months Ended
Mar. 13, 2008
May 30, 2008
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Securities Sold Under Agreement to Repurchase [Abstract]          
Securities Sold under Agreements to Repurchase $ 40,000 $ 20,000 $ 0 $ 60,000  
Repurchase agreement pricing rate (in hundredths) 3.20% 4.19%      
Description of variable rate basis 3 month Libor 3 month Libor three-month LIBOR    
Embedded Cap 3 years 3 years      
Strike price (in hundredths) 3.3675% 3.17%      
Repurchase agreement maturity date Mar. 13, 2013 Jun. 05, 2013      
Early termination fee     $ 1,657 $ 0 $ 0