Servicer and Protective Advances, Net - Schedule of Servicer and Protectective Advances, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Feb. 09, 2018	Dec. 31, 2017	Dec. 31, 2016
Receivables [Abstract]
Protective advances	$ 446,556		$ 928,552
Servicer advances	35,629		49,106
Total servicer and protective advances	482,185		977,658
Less: Allowance for uncollectible advances	(41,688)	$ 0	(164,225)	$ (146,781)
Servicer and protective advances, net	$ 440,497		$ 813,433

For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.4)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant