Revenue - Disaggregation of Revenue By Product (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Total revenues	$ 241,734	$ 198,360	$ 150,534
Management fees
Disaggregation of Revenue [Line Items]
Total revenues	233,780	192,769	145,811
Advisory Fees
Disaggregation of Revenue [Line Items]
Total revenues	4,949	3,777	3,613
Subscriptions
Disaggregation of Revenue [Line Items]
Total revenues	523	642	641
Other Revenue
Disaggregation of Revenue [Line Items]
Total revenues	$ 2,482	$ 1,172	$ 469