XML 42 R35.htm IDEA: XBRL DOCUMENT v2.4.0.6
Mortgage Securities - Available-for-Sale (Details) (Mortgage-backed Securities, Issued by Private Enterprises [Member], USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Mortgage-backed Securities, Issued by Private Enterprises [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Cost basis $ 604 $ 611
Unrealized gain 3,516 3,267
Estimated fair value $ 4,120 $ 3,878
Average yield, percentage calculated from cost basis 182.00% [1] 237.00% [1]
[1] The average yield is calculated from the cost basis of the mortgage securities and does not give effect to changes in fair value that are reflected as a component of shareholders' equity (deficit)