Asset Management Fees - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Asset Management Fees
Disaggregation of Revenue [Line Items]
Management fee, interest and principal proceeds after incentive management fee threshold, percent	20.00%
Asset Management Fees | Minimum
Disaggregation of Revenue [Line Items]
Cash received by investors in excess of benchmarks, percent	0.25%
Performance fee, net profit in excess of high water mark of respective fund, percent	10.00%
Asset Management Fees | Maximum
Disaggregation of Revenue [Line Items]
Management fee, net asset value of respective funds, percent	2.00%
Cash received by investors in excess of benchmarks, percent	0.50%
Performance fee, net profit in excess of high water mark of respective fund, percent	20.00%
Asset Management and Performance Allocation Fees
Disaggregation of Revenue [Line Items]
Management and performance fees receivable	$ 10	$ 8