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Condensed Consolidated Statements of Stockholders' Equity - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2020   74,543      
Beginning balance at Dec. 31, 2020 $ 139,050 $ 75 $ 815,624 $ 112 $ (676,761)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of restricted stock, net of shares withheld for taxes, and other (in shares)   420      
Issuance of restricted stock, net of shares withheld for taxes, and other (525)   (525)    
Stock-based compensation expense 3,677   3,677    
Net loss (18,821)       (18,821)
Other comprehensive loss, net of tax (443)     (443)  
Ending balance (in shares) at Mar. 31, 2021   74,963      
Ending balance at Mar. 31, 2021 $ 122,938 $ 75 818,776 (331) (695,582)
Beginning balance (in shares) at Dec. 31, 2021 76,919 76,919      
Beginning balance at Dec. 31, 2021 $ 94,596 $ 77 831,424 (907) (735,998)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of restricted stock, net of shares withheld for taxes, and other (in shares)   280      
Issuance of restricted stock, net of shares withheld for taxes, and other (87)   (87)    
Stock-based compensation expense 4,042   4,042    
Net loss (76,288)       (76,288)
Other comprehensive loss, net of tax $ (150)     (150)  
Ending balance (in shares) at Mar. 31, 2022 77,199 77,199      
Ending balance at Mar. 31, 2022 $ 22,113 $ 77 $ 835,379 $ (1,057) $ (812,286)