Variable Interest Entities - Assets and Liabilities of Consolidated CLO (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Assets:
Cash and cash equivalents	$ 395,799	$ 261,061
Loans held-for-investment, net	18,452,424	18,401,439
Investment securities	772,887	815,804
Accrued interest receivable	181,807	168,521
Other assets	356,076	297,477
Total Assets	77,354,380	79,043,129
Liabilities
Accounts payable, accrued expenses and other liabilities	277,330	298,999
Collateralized loan obligations and single asset securitization, net	3,672,783	3,676,224
Total Liabilities	70,237,489	71,844,422
Primary beneficiary
Assets:
Total Assets	75,400
Liabilities
Total Liabilities	35,300
CLOs and SASB | Primary beneficiary
Assets:
Cash and cash equivalents	30,673	31,611
Investment securities	11,747	36,466
Accrued interest receivable	23,132	20,088
Other assets	98	131
Total Assets	4,455,549	4,454,087
Liabilities
Accounts payable, accrued expenses and other liabilities	19,256	17,737
Collateralized loan obligations and single asset securitization, net	3,672,783	3,676,224
Total Liabilities	3,692,039	3,693,961
CLOs and SASB | Primary beneficiary | Loans held for investment
Assets:
Loans held-for-investment, net	$ 4,389,899	$ 4,365,791