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Quarterly Results of Operations (Unaudited) - Schedule of Quarterly Results of Operations (Unaudited) (Footnote) (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Interim Period, Costs Not Allocable [Line Items]            
Goodwill impairment loss $ 420,200     $ 420,201 $ 0 $ 0
Charge recorded for mortgage settlement     $ 52,800      
Unfavorable Regulatory Action [Member]            
Interim Period, Costs Not Allocable [Line Items]            
Losses related to regulatory settlement $ 50,000 $ 100,000