Repurchase Agreements, Loan Participations Sold, Net, Notes Payable, Net, Secured Term Loan, Net, Debt Related to Real Estate Owned, Net, and Acquisition Facility - Summary of Loan Participations Sold (Details) - USD ($) $ in Thousands		6 Months Ended		12 Months Ended
		Jun. 30, 2022		Dec. 31, 2021
Loan Participations Sold [Line Items]
Borrowing Outstanding		$ 274,252		$ 168,322
Carrying Value		273,487		167,744
Loan held by company		$ 628,327	[1]	$ 420,844
Variable Loan One
Loan Participations Sold [Line Items]
Contractual Maturity Date		Aug. 01, 2022	[2]	Aug. 01, 2022
Maximum Extension Date		Aug. 01, 2023	[2]	Aug. 01, 2023
Borrowing Outstanding		$ 148,322	[2]	$ 148,322
Carrying Value		148,295	[2]	148,133
Loan held by company		$ 291,353	[1],[2]	$ 290,783
Variable Loan Two
Loan Participations Sold [Line Items]
Contractual Maturity Date		Oct. 18, 2023
Maximum Extension Date		Oct. 18, 2024
Borrowing Outstanding		$ 105,930
Carrying Value		105,473
Loan held by company	[1]	$ 193,033
Fixed Loan
Loan Participations Sold [Line Items]
Contractual Maturity Date		Dec. 31, 2024		Dec. 31, 2024
Maximum Extension Date		Dec. 31, 2025		Dec. 31, 2025
Borrowing Outstanding		$ 20,000		$ 20,000
Carrying Value		19,719		19,611
Loan held by company		$ 143,941	[1]	$ 130,061

[1] Includes all cash reserve balances held by the servicer.

[2] Subsequent to June 30, 2022, this participation was extended to its maximum extension date.