Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Accounts receivable, allowance for doubtful accounts	$ 2,573	$ 3,783
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
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	10,971,963	12,000,000
Total current assets	$ 128,113	$ 82,922
Total current liabilities	158,480	80,347
VIE
Total current assets	51,313	45,815
Total current liabilities	36,851	28,383
VIE | Asset Pledged as Collateral
Total current assets	51,300	45,800
Assets, Noncurrent	232,700	247,800
Total current liabilities	36,900	28,400
Liabilities, Noncurrent	$ 5,600	$ 2,600