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Commitments and Contingencies (Continuing and Discontinued Operations) (Details 4) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Mortgage loans
Geographic concentration
California
Dec. 31, 2013
Mortgage loans
Geographic concentration
Oregon
Dec. 31, 2013
Mortgage loans
Geographic concentration
Washington
Dec. 31, 2013
Mortgage loans
Geographic concentration
Idaho
Dec. 31, 2013
Properties kept as security for long-term mortgage portfolio
Geographic concentration
California
Dec. 31, 2013
Properties kept as security for long-term mortgage portfolio
Geographic concentration
Florida
Concentration of Risk                
Aggregate unpaid principal balance of loans secured by properties $ 129,191 $ 118,786         $ 3,800,000 $ 802,200
Percentage of risk     33.00% 16.00% 11.00% 5.00% 52.00% 11.00%