Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accounts receivable, allowance	$ 3,397	$ 3,349
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, authorized (in shares)	1,000,000	1,000,000
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, authorized (in shares)	250,000,000	250,000,000
Common stock, issued (in shares)	75,153,493	75,062,642
Common stock, outstanding (in shares)	75,153,493	75,062,642

Amount of allowance for credit loss on accounts receivable, classified as current.

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