Borrowings - Schedule of Other Secured Borrowings (Footnote) (Details) - USD ($)				3 Months Ended	9 Months Ended	12 Months Ended
	Jan. 27, 2020	Mar. 18, 2019	Dec. 05, 2016	Mar. 31, 2019	Dec. 31, 2019	Dec. 31, 2019	Nov. 26, 2019	Jul. 01, 2019	Jun. 30, 2019	Feb. 04, 2019
Debt Instrument [Line Items]
Available borrowing capacity					$ 288,394,000	$ 288,394,000
Proceeds from issuance of debt		$ 120,000,000.0
Maximum borrowing capacity								$ 300,000,000
SSTL
Debt Instrument [Line Items]
Periodic prepayment of SSTL				$ 4,200,000	6,400,000
Participation Agreement Two
Debt Instrument [Line Items]
Maximum borrowing capacity										$ 300,000,000
Other Secured Borrowings | Participation Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity									$ 250,000,000.0
Other Secured Borrowings | Participation Agreement Two
Debt Instrument [Line Items]
Beneficial interest						100.00%
Mortgage Loan Warehouse Facilities | Other Secured Borrowings
Debt Instrument [Line Items]
Available borrowing capacity					0	$ 0
Mortgage Loan Warehouse Facilities | Other Secured Borrowings | Repurchase Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity					175,000,000	175,000,000
Borrowings available on committed basis					100,000,000	100,000,000
Mortgage Loan Warehouse Facilities | Other Secured Borrowings | Mortgage Loan Warehouse/MSR Facilities
Debt Instrument [Line Items]
Maximum borrowing capacity					100,000,000	100,000,000
Mortgage Loan Warehouse Facilities | Other Secured Borrowings | Master Repurchase Agreement
Debt Instrument [Line Items]
Available borrowing capacity					250,000,000	250,000,000
Borrowings available on committed basis					200,000,000	$ 200,000,000
Beneficial interest						100.00%
Mortgage Loan Warehouse Facilities | Other Secured Borrowings | Master Repurchase Agreement
Debt Instrument [Line Items]
Available borrowing capacity					50,000,000	$ 50,000,000
Mortgage Loan Warehouse Facilities | Other Secured Borrowings | Master Repurchase Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity					200,000,000.0	200,000,000.0
Mortgage Loan Warehouse Facilities | Other Secured Borrowings | Mortgage Warehouse Agreement Two
Debt Instrument [Line Items]
Maximum borrowing capacity					50,000,000.0	$ 50,000,000.0
Stated Interest Rate of Underlying Mortgage Loans | Other Secured Borrowings | Participation Agreement Two
Debt Instrument [Line Items]
Interest rate (percentage)						(0.25%)
Other Secured Borrowings
Debt Instrument [Line Items]
Available borrowing capacity					179,974,000	$ 179,974,000
Other Secured Borrowings | SSTL
Debt Instrument [Line Items]
Available borrowing capacity					0	0
Other Secured Borrowings | Ginnie Mae Mortgage Servicing Rights Financing Facility
Debt Instrument [Line Items]
Available borrowing capacity					27,680,000	27,680,000
Other Secured Borrowings | Ocwen Excess Spread-Collateralized Notes, Series 2019-PLS1 Class A
Debt Instrument [Line Items]
Available borrowing capacity					0	0
Debt instrument, face amount							$ 100,000,000.0
Other Secured Borrowings | OASIS Series 2014-1
Debt Instrument [Line Items]
Available borrowing capacity					0	0
Other Secured Borrowings | Mortgage Loan Warehouse Facilities
Debt Instrument [Line Items]
Available borrowing capacity					108,420,000	108,420,000
Other Secured Borrowings | Mortgage Loan Warehouse Facilities | Repurchase Agreement
Debt Instrument [Line Items]
Available borrowing capacity					8,427,000	8,427,000
Other Secured Borrowings | Mortgage Loan Warehouse Facilities | Participation Agreement
Debt Instrument [Line Items]
Available borrowing capacity					0	0
Other Secured Borrowings | Mortgage Loan Warehouse Facilities | Mortgage Loan Warehouse/MSR Facilities
Debt Instrument [Line Items]
Available borrowing capacity					0	0
Other Secured Borrowings | Mortgage Loan Warehouse Facilities | Master Repurchase Agreement
Debt Instrument [Line Items]
Available borrowing capacity					60,773,000	60,773,000
Other Secured Borrowings | Mortgage Loan Warehouse Facilities | Master Repurchase Agreement
Debt Instrument [Line Items]
Available borrowing capacity					$ 0	$ 0
Interest rate (percentage)						0.25%
Interest rate at floor (percentage)					4.00%	4.00%
Other Secured Borrowings | Mortgage Loan Warehouse Facilities | Master Repurchase Agreement
Debt Instrument [Line Items]
Available borrowing capacity					$ 0	$ 0
Other Secured Borrowings | Mortgage Loan Warehouse Facilities | Participation Agreement Two
Debt Instrument [Line Items]
Available borrowing capacity					0	0
Other Secured Borrowings | Mortgage Loan Warehouse Facilities | Mortgage Warehouse Agreement Two
Debt Instrument [Line Items]
Available borrowing capacity					$ 39,220,000	$ 39,220,000
Other Secured Borrowings | Eurodollar | SSTL
Debt Instrument [Line Items]
Interest rate (percentage)						5.00%
Interest rate at floor (percentage)					1.00%	1.00%
Other Secured Borrowings | LIBOR | Mortgage Loan Warehouse Facilities | Mortgage Loan Warehouse/MSR Facilities
Debt Instrument [Line Items]
Interest rate (percentage)						2.50%
Interest rate at floor (percentage)					3.50%	3.50%
Other Secured Borrowings | LIBOR | Mortgage Loan Warehouse Facilities | Master Repurchase Agreement
Debt Instrument [Line Items]
Interest rate (percentage)						1.70%
Other Secured Borrowings | LIBOR | Mortgage Loan Warehouse Facilities | Mortgage Warehouse Agreement Two
Debt Instrument [Line Items]
Interest rate (percentage)						3.50%
Interest rate at floor (percentage)					5.30%	5.30%
Other Secured Borrowings | LIBOR | Mortgage Loan Warehouse Facilities | Ginnie Mae Mortgage Servicing Rights Financing Facility
Debt Instrument [Line Items]
Interest rate (percentage)						3.95%
Other Secured Borrowings | LIBOR | Mortgage Loan Warehouse Facilities | Ocwen Excess Spread-Collateralized Notes, Series 2019-PLS1 Class A
Debt Instrument [Line Items]
Debt instrument stated percentage of interest (percentage)					5.07%	5.07%
Other Secured Borrowings | Unpaid Principal Balance of Reference Pool of Freddie Mac Mortgages | OASIS Series 2014-1
Debt Instrument [Line Items]
Debt basis points of benchmark (percentage)						0.21%
Senior Secured Term Loan Option One | Federal Funds Rate | Other Secured Borrowings | SSTL
Debt Instrument [Line Items]
Interest rate (percentage)			0.50%
Senior Secured Term Loan Option One | Eurodollar | Other Secured Borrowings | SSTL
Debt Instrument [Line Items]
Interest rate (percentage)			4.00%
Senior Secured Term Loan Option One | Base Rate | Other Secured Borrowings | SSTL
Debt Instrument [Line Items]
Interest rate at floor (percentage)			2.00%
Senior Secured Term Loan Option Two | Eurodollar | Other Secured Borrowings | SSTL
Debt Instrument [Line Items]
Interest rate (percentage)			5.00%
Interest rate at floor (percentage)			1.00%
Subsequent Event | Other Secured Borrowings | SSTL
Debt Instrument [Line Items]
Periodic prepayment of SSTL	$ 5,000,000.0
Repayments of debt	126,100,000
Maximum borrowing capacity	$ 200,000,000.0