Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Payables and Accruals [Abstract]
Accrued compensation and related expenses	$ 6,038	$ 1,948
Accrued operating expenses	15,955	7,006
Accrued marketing expenses	21,948	12,093
Accrued professional fees	1,753	873
Due to affiliates	1,005	3,751
Other	1,588	1,371
Total accrued expenses	$ 48,287	$ 27,042