Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accounts receivable, allowance for doubtful accounts	$ 2,511	$ 3,783
Total current assets	156,930	82,922
Cash and cash equivalents	$ 64,140	$ 12,145
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	25,000,000	25,000,000
Common stock, shares issued	12,000,000	12,000,000
Common stock, shares outstanding	10,050,037	12,000,000
Total current liabilities	$ 151,138	$ 80,347
Long-term debt (Note 10)	19,200	98,400
VIE
Total current assets	61,137	45,815
Cash and cash equivalents	17,246	11,642
Total current liabilities	42,300	28,383
Long-term debt (Note 10)	19,200	0
VIE | Asset Pledged as Collateral
Total current assets	61,100	45,800
Assets, Noncurrent	229,500	247,800
Total current liabilities	42,300	28,400
Liabilities, Noncurrent	$ 21,200	$ 2,600