Other Assets (Details) - USD ($) $ in Thousands		Mar. 31, 2022	Dec. 31, 2021	Jul. 01, 2021	Mar. 31, 2021	Dec. 31, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Treasury Bills		$ 299,998	$ 0
REO		145,568	156,223		$ 220,393	$ 249,699
Goodwill			61,076	$ 61,076
Intangible assets, net		18,100	21,400
Capital contributions made to loan origination partners		70,783	71,673
Other interest-earning assets		53,636	57,522
Interest receivable		57,090	50,191
Other loan related receivables		49,612	34,191
Lease right-of-use asset		39,243	39,370
Other		62,237	73,910
Total Other Assets	[1]	$ 857,343	$ 565,556
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]		Total Other Assets	Total Other Assets
Real estate held-for-investment		$ 6,500	$ 11,300
Accumulated amortization		$ 9,900	$ 6,600
Borrowing rate		7.50%

[1] See Note 6 for information regarding the Company’s pledged assets.