Investments in Real Estate Debt - Summary of Investments in Real Estate Debt (Details) $ in Thousands		12 Months Ended
		Dec. 31, 2021 USD ($) Position	Dec. 31, 2020 USD ($) Position
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Number of Positions | Position		56	56
Weighted Average Coupon		4.41%
Weighted Average Maturity Date	[1]	Apr. 08, 2033
Cost Basis		$ 969,590	$ 216,929
Investments in real estate debt		$ 954,077	$ 218,225
RMBS
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Number of Positions | Position		50	55
Weighted Average Coupon		3.07%	3.22%
Weighted Average Maturity Date	[1]	Jul. 09, 2045	Mar. 22, 2047
Cost Basis		$ 165,600	$ 213,863
Investments in real estate debt		$ 168,309	$ 215,358
CMBS - floating
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Number of Positions | Position		4
Weighted Average Coupon		L + 3.46%
Weighted Average Maturity Date	[1]	Jul. 15, 2038
Cost Basis		$ 296,928
Investments in real estate debt		$ 295,465
CMBS - fixed
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Number of Positions | Position		1	1
Weighted Average Coupon		6.26%	6.26%
Weighted Average Maturity Date	[1]	Jul. 25, 2039	Jul. 25, 2039
Cost Basis		$ 2,522	$ 3,066
Investments in real estate debt		$ 2,701	$ 2,867
Real Estate Debt Securities
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Number of Positions | Position		55
Weighted Average Coupon		3.34%
Weighted Average Maturity Date	[1]	Jan. 05, 2041
Cost Basis		$ 465,050
Investments in real estate debt		$ 466,475
Term Loan
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Number of Positions | Position	[2]	1
Weighted Average Coupon	[2]	L + 5.35%
Weighted Average Maturity Date	[1],[2]	Feb. 26, 2026
Cost Basis	[2]	$ 504,540
Investments in real estate debt	[2]	$ 487,602

[1] Weighted average maturity date is based on the fully extended maturity date of the underlying collateral.

[2] On February 26, 2021, the Company provided financing in the form of a term loan to an unaffiliated entity in connection with its acquisition of a premier United Kingdom holiday company. The loan is in the amount of £360 million and has an initial term of five years, with a two-year extension option