Summary of Significant Accounting Policies (Details)			12 Months Ended
	Nov. 06, 2021 USD ($)	Nov. 05, 2021 USD ($) property unit	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jan. 01, 2020 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
REO assets as a percent of consolidated VIE assets			1.00%
Loans as a percent of consolidated VIE assets			99.00%
Permitted reinvestment under static investment in VIEs			$ 0
Allowance for credit losses			67,270,000	$ 77,444,000
Number of properties in portfolio investment | property		59
Number of units in portfolio investment | unit		15,057
Contributions from non-controlling interests			219,757,000	$ 11,775,000	$ 183,520,000
Cumulative effect of investment company fair value adjustment			1,236,476,000
Accounting Standards Update [Extensible List]				Accounting Standards Updated 2020-06 [Member]	Accounting Standards Update 2016-13 [Member]
Retained earnings (accumulated deficit)			$ 493,106,000	$ (629,733,000)
Woodstar Fund
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Percentage of interest sold		20.60%
Contributions from non-controlling interests	$ 214,200,000	$ 216,000,000
Fund term		8 years
Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Additional paid-in capital				(3,700,000)
Retained earnings (accumulated deficit)				$ (2,200,000)
Reclassification Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses						$ 32,300,000