Variable Interest Entities - Assets and Liabilities of Consolidated CLO (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Assets:
Cash and cash equivalents	$ 264,209	$ 217,362
Carrying Value	19,006,029	18,480,919
Investment securities	869,189	860,984
Accrued interest receivable	123,801	116,262
Other assets	261,192	188,626
Total Assets	81,187,898	83,850,397
Liabilities
Accounts payable, accrued expenses and other liabilities	196,145	189,696
Collateralized loan obligations and single asset securitization, net	3,797,895	2,616,116
Total Liabilities	74,278,245	77,201,590
Loans held for investment
Assets:
Carrying Value	16,321,517	15,604,119
Primary beneficiary
Assets:
Total Assets	75,400
Liabilities
Total Liabilities	30,800
CLOs and SASB | Primary beneficiary
Assets:
Cash and cash equivalents	39,194	15,297
Investment securities	29,132	11,426
Accrued interest receivable	12,187	8,936
Other assets	34,150	11,213
Total Assets	4,564,657	3,120,444
Liabilities
Accounts payable, accrued expenses and other liabilities	6,076	3,335
Collateralized loan obligations and single asset securitization, net	3,797,895	2,616,116
Total Liabilities	3,803,971	2,619,451
CLOs and SASB | Primary beneficiary | Loans held for investment
Assets:
Carrying Value	$ 4,449,994	$ 3,073,572