Subsequent Events (Details) - USD ($) $ in Millions		11 Months Ended	12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020		Feb. 03, 2021	Jan. 29, 2021	Dec. 31, 2019
LIBOR [Member]
Subsequent Event [Line Items]
Basis spread on variable rate	[1]		200.00%
LIBOR [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Basis spread on variable rate		210.00%
Term ABS 2021-1 [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Debt Instrument, Face Amount						$ 100.0
Warehouse Facility II [Member]
Subsequent Event [Line Items]
Debt Instrument, Face Amount			$ 400.0	[1]			$ 400.0
Warehouse Facility II [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Debt Instrument, Face Amount						$ 300.0
Warehouse Facility IV [Member]
Subsequent Event [Line Items]
Debt Instrument, Face Amount			$ 300.0	[1]			$ 300.0
Warehouse Facility IV [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Debt Instrument, Face Amount					$ 400.0

[1] Interest rate cap agreements are in place to limit the exposure to increasing interest rates.