Variable Interest Entities - Assets and Liabilities of Consolidated CLO (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Assets:
Cash and cash equivalents	$ 339,710	$ 217,362
Loans held-for-investment	20,402,117	18,480,919
Investment securities	890,128	860,984
Accrued interest receivable	154,148	116,262
Other assets	418,458	188,626
Total Assets	80,002,858	83,850,397
Liabilities
Accounts payable, accrued expenses and other liabilities	562,461	189,696
Carrying Value	3,690,996	2,616,116
Total Liabilities	72,837,300	77,201,590
Loans held for investment
Assets:
Loans held-for-investment	18,196,433	15,604,119
Primary beneficiary
Assets:
Total Assets	76,600
Liabilities
Total Liabilities	34,400
CLOs and SASB | Primary beneficiary
Assets:
Cash and cash equivalents	39,924	15,297
Investment securities	36,934	11,426
Accrued interest receivable	15,848	8,936
Other assets	62	11,213
Total Assets	4,462,305	3,120,444
Liabilities
Accounts payable, accrued expenses and other liabilities	13,153	3,335
Carrying Value	3,690,996	2,616,116
Total Liabilities	3,704,149	2,619,451
CLOs and SASB | Primary beneficiary | Loans held for investment
Assets:
Loans held-for-investment	$ 4,369,537	$ 3,073,572