Commitments and Contingencies - Summary of Unfunded Commitments (Parenthetical) (Details) - USD ($) $ in Thousands		Mar. 31, 2023	Dec. 31, 2022
Commitments And Contingencies [Line Items]
Unfunded commitments	[1]	$ 363,836	$ 399,836
Bridge Loan Commitments
Commitments And Contingencies [Line Items]
Unfunded commitments		0	0
Unfunded Revolver Commitments | Merx Aviation Finance, LLC
Commitments And Contingencies [Line Items]
Unfunded commitments		$ 115,425	$ 50,000

[1] The Company also had an unfunded revolver commitment to its fully controlled affiliate Merx Aviation Finance, LLC of $115,425 and $50,000 as of March 31, 2023 and December 31, 2022, respectively. Given the Company’s controlling interest, the timing and the amount of the funding has not been determined.