Organization, Business Environment, Basis of Presentation and Significant Accounting Policies - Narrative (Details) $ in Thousands		12 Months Ended
	Jan. 01, 2018 USD ($)	Dec. 31, 2019 USD ($) employee	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jan. 31, 2020 USD ($)	Jan. 01, 2020 USD ($)
Description of Business and Basis of Presentation [Line Items]
Financing Interest Expense		$ 372,089	$ 171,670	$ 236,311
Total number of employees | employee		5,300
Percentage of foreign based employees engaged in supporting loan servicing operations		80.00%
Current maturities of borrowings in next 12 months		$ 1,200,000
Long-term debt, gross		$ 1,030,306	452,736
Debt instrument term (years)		364 days
Servicing asset at amortized cost		$ 372,089	171,670	236,311
Other financing liabilities		(972,595)	(1,062,090)
Other secured borrowings, net		$ 1,025,791	448,061
Threshold period past due for financing receivables to be delinquent		89 days
Estimated incremental borrowing rate (percentage)		7.50%
Other restricted cash		$ 40,725	41,252	9,179
Accelerated depreciation		$ 8,300
India
Description of Business and Basis of Presentation [Line Items]
Total number of employees | employee		3,400
Philippines
Description of Business and Basis of Presentation [Line Items]
Total number of employees | employee		400
Maximum
Description of Business and Basis of Presentation [Line Items]
Maximum percentage till, the company exercise significant influence, but not control over subsidiaries or VIEs		50.00%
Senior Secured Term Loan | Secured Debt
Description of Business and Basis of Presentation [Line Items]
Long-term debt, gross		$ 326,100	231,500
Subsequent Event | Senior Secured Term Loan | Secured Debt
Description of Business and Basis of Presentation [Line Items]
Long-term debt, gross					$ 200,000
Leased Facility
Description of Business and Basis of Presentation [Line Items]
Other restricted cash		23,200
Accounting Standards Update 2019-04 | Subsequent Event
Description of Business and Basis of Presentation [Line Items]
Cumulative effect of new accounting pronouncement						$ 47,000
Restatement Adjustment
Description of Business and Basis of Presentation [Line Items]
Other financing liabilities			65,500
Other secured borrowings, net			65,500
NRZ
Description of Business and Basis of Presentation [Line Items]
Financing Interest Expense		$ 372,089	171,670	$ 236,311
NRZ | Customer Concentration Risk | Unpaid Principal Balance
Description of Business and Basis of Presentation [Line Items]
Concentration risk (percentage)		56.00%
NRZ | Customer Concentration Risk | Servicing Portfolio
Description of Business and Basis of Presentation [Line Items]
Concentration risk (percentage)		20.00%
Fair Value Agency Mortgage Servicing Rights | Retained Earnings (Accumulated Deficit)
Description of Business and Basis of Presentation [Line Items]
Cumulative effect of fair value election	$ 82,000		$ 82,043