Investments in Real Estate Debt - Summary of Investments in Real Estate Debt (Parenthetical) (Details) $ in Thousands, £ in Millions		Feb. 26, 2021 GBP (£)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Mortgage notes and revolving credit facility, net | $	[1]		$ 11,274,411	$ 3,278,762
United Kingdom
Schedule Of Trading Securities And Other Trading Assets [Line Items]
Mortgage notes and revolving credit facility, net | £		£ 360
Debt instrument, term		5 years

[1] The majority of the Company’s mortgages contain yield or spread maintenance provisions.