Variable Interest Entities - Summary of Consolidated Financial Statements of VIEs (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and restricted cash	$ 95,534	$ 115,174	$ 27,412	$ 5,998
Accounts receivable	24,513	20,007
Other receivables	1,279	1,237
Inventories, net	7,770	6,438
Prepaid expenses	10,744	11,200
Total current assets	139,840	154,056
Property and equipment, net	4,909	4,192
Other assets	332	320
Intangible assets, net	17,572	18,245
Goodwill	26,626	26,626
Total assets	206,512	203,439
Current liabilities:
Accounts payable	12,596	15,559
Income taxes payable	132	132
Accrued expenses and other current liabilities	14,516	13,924
Current portion of long-term debt	0	183
Total current liabilities	31,521	29,798
Other non-current liabilities	3,801	6,900
Deferred income taxes liability	551	371
Total liabilities	74,514	99,280
Variable Interest Entity
Current assets:
Cash and restricted cash	2,248	1,618
Accounts receivable	24,513	20,007
Other receivables	1,028	935
Inventories, net	7,770	6,438
Prepaid expenses	1,146	781
Total current assets	36,705	29,779
Property and equipment, net	44	0
Other assets	273	276
Intangible assets, net	1,120	1,181
Goodwill	11,096	11,096
Total assets	49,238	42,332
Current liabilities:
Accounts payable	11,876	14,204
Income taxes payable	132	132
Accrued expenses and other current liabilities	5,228	5,539
Current portion of long-term debt	0	183
Amounts due to affiliates	76,960	56,312
Total current liabilities	94,196	76,370
Other non-current liabilities	1,917	3,203
Deferred income taxes liability	16	6
Total liabilities	$ 96,129	$ 79,579