Note Receivable - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding balance credit and guaranty facility		$ 315,517	$ 290,055
Due from related parties		3,615	2,667
BCP Partners Holdings, LP | Promissory Note
Accounts, Notes, Loans and Financing Receivable [Line Items]
Note to partners		5,000
Amount drawn from notes		$ 2,300
Notes, interest rate description		The note will earn interest at the greater of (i) the applicable federal rate that must be charged to avoid imputation of interest under Section 1274(d) of the code and (ii) 5.5%. Interest will be paid on December 31st of each year commencing December 31, 2021.
Due from related parties		$ 2,300	$ 0
Maturity Date		Sep. 30, 2031
Interest rate of notes		5.50%
Interest revenue	$ 0	$ 0