Servicer and Protective Advance, Net - Allowance For Uncollectible Servicer And Protective Advances (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance at beginning of the year		$ 62,542	$ 34,418	$ 27,711
Provision for uncollectible advances	34,300	75,704	37,993	13,199
Charge-offs, net of recoveries and other		(25,819)	(9,869)	(6,492)
Balance at end of the year	$ 112,427	$ 112,427	$ 62,542	$ 34,418