Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Condensed Consolidated Balance Sheets
Accounts receivable, allowance for doubtful accounts	$ 6,049	$ 5,647
Accumulated depreciation	196,683	$ 193,760
Accumulated depreciation on property, plant and equipment	$ 196,683
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock shares authorized	1,600,000,000	1,600,000,000
Common stock, shares issued	267,646,667	51,693,931
Common stock, shares outstanding	265,194,961	49,242,225
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	20,000,000	20,000,000
Preferred stock, shares issued	2,778,111	3,290,050
Preferred stock, shares outstanding	2,778,111	3,290,050
Common stock held in treasury at cost (in shares)	2,451,706	2,451,706