Quarterly report pursuant to Section 13 or 15(d)

Equity Securities, at Fair Value Equity Securities (Details)

v2.4.0.8
Equity Securities, at Fair Value Equity Securities (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2013
Dec. 31, 2012
Dec. 19, 2012
Schedule of Equity Securities [Line Items]        
Equity Securities, Shares       17,824,647
Investment in Common Stock of Silver Bay, Ownership Percentage       47.70%
Initial Public Offering of Silver Bay Common Stock, Price Per Share       $ 18.50
Equity Securities, Cost Basis     $ 329,756  
Equity Securities, Gross Unrealized Gain (Loss)     5,882  
Equity securities, at fair value 0 0 335,638  
Realized Investment Gains (Losses)   13,725    
Equity Securities, Unrealized Gain (Loss) $ (13,725) $ (5,882)