Legal Proceedings (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Commitments, Contingencies, And Legal Proceedings [Abstract]    
Accrued litigation settlement   $ 1,730
Legal fees associated w/ litigation 338 1,000
Other (underwriting/accounting)   295
Litigation settlement $ 338 $ 3,025