Summary of Significant Accounting Policies - Reconciliation of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Dec. 31, 2020
Accounting Policies [Abstract]
Cash and cash equivalents	$ 271,899	$ 551,154	$ 211,180
2021 FL4 CLO restricted cash	0		25,000
Total cash, cash equivalents, and restricted cash shown in our consolidated statements of cash flows	$ 271,899	$ 551,154	$ 236,180	$ 289,970