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Unaudited Condensed Consolidated Statements of Stockholders’ Equity - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Accumulated Other Comprehensive (Loss) Income
Beginning balance, shares at Dec. 31, 2021   198,084,000      
Beginning balance at Dec. 31, 2021 $ 197,551 $ 198 $ 947,160 $ (748,012) $ (1,795)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock upon exercise of stock options (in shares)   202,000      
Issuance of common stock upon exercise of stock options 225   225    
Issuance of common stock upon vesting of restricted stock awards and ESPP (in shares)   392,000      
Stock-based compensation 22,346   22,346    
Repurchased common stock (in shares)   (79,000)      
Repurchased common stock (1,102)     (1,102)  
Other comprehensive income (loss) 1,440       1,440
Net income (loss) (25,753)     (25,753)  
Ending balance, shares at Mar. 31, 2022   198,599,000      
Ending balance at Mar. 31, 2022 194,707 $ 198 969,731 (774,867) (355)
Beginning balance, shares at Dec. 31, 2021   198,084,000      
Beginning balance at Dec. 31, 2021 197,551 $ 198 947,160 (748,012) (1,795)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Other comprehensive income (loss) 3,649        
Net income (loss) (38,496)        
Ending balance, shares at Jun. 30, 2022   196,079,000      
Ending balance at Jun. 30, 2022 170,948 $ 196 994,558 (825,660) 1,854
Beginning balance, shares at Mar. 31, 2022   198,599,000      
Beginning balance at Mar. 31, 2022 194,707 $ 198 969,731 (774,867) (355)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock upon exercise of stock options (in shares)   174,000      
Issuance of common stock upon exercise of stock options 1,262   1,262    
Issuance of common stock upon vesting of restricted stock awards and ESPP (in shares)   268,000      
Issuance of common stock upon vesting of restricted stock awards 0 $ 1 (1)    
Shares surrendered for settlement of minimum statutory tax withholdings (in shares)   (1,000)      
Shares surrendered for settlement of minimum statutory tax withholdings (30)   (30)    
Stock-based compensation 23,596   23,596    
Repurchased common stock (in shares)   (2,961,000)      
Repurchased common stock (38,053) $ (3)   (38,050)  
Other comprehensive income (loss) 2,209       2,209
Net income (loss) (12,743)     (12,743)  
Ending balance, shares at Jun. 30, 2022   196,079,000      
Ending balance at Jun. 30, 2022 170,948 $ 196 994,558 (825,660) 1,854
Beginning balance, shares at Dec. 31, 2022   190,822,000      
Beginning balance at Dec. 31, 2022 142,375 $ 190 1,032,550 (891,862) 1,497
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock upon exercise of stock options (in shares)   28,000      
Issuance of common stock upon exercise of stock options 22   22    
Issuance of common stock upon vesting of restricted stock awards and ESPP (in shares)   1,164,000      
Issuance of common stock upon vesting of restricted stock awards 0 $ 1 (1)    
Stock-based compensation 17,378   17,378    
Repurchased common stock (in shares)   (771,000)      
Repurchased common stock (6,768) $ (1)   (6,767)  
Other comprehensive income (loss) (631)       (631)
Net income (loss) (2,358)     (2,358)  
Ending balance, shares at Mar. 31, 2023   191,244,000      
Ending balance at Mar. 31, 2023 150,017 $ 190 1,049,948 (900,987) 866
Beginning balance, shares at Dec. 31, 2022   190,822,000      
Beginning balance at Dec. 31, 2022 $ 142,375 $ 190 1,032,550 (891,862) 1,497
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Repurchased common stock (in shares) (1,149,080)        
Repurchased common stock $ (9,800)        
Other comprehensive income (loss) (1,167)        
Net income (loss) (963)        
Ending balance, shares at Jun. 30, 2023   191,657,000      
Ending balance at Jun. 30, 2023 168,349 $ 191 1,070,461 (902,633) 330
Beginning balance, shares at Mar. 31, 2023   191,244,000      
Beginning balance at Mar. 31, 2023 150,017 $ 190 1,049,948 (900,987) 866
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock upon exercise of stock options (in shares)   362,000      
Issuance of common stock upon exercise of stock options 2,951   2,951    
Issuance of common stock upon vesting of restricted stock awards and ESPP (in shares)   661,000      
Issuance of common stock upon vesting of restricted stock awards 0 $ 1 (1)    
Shares surrendered for settlement of minimum statutory tax withholdings (in shares)   (232,000)      
Shares surrendered for settlement of minimum statutory tax withholdings (2,469)   (2,469)    
Stock-based compensation $ 20,031   20,031    
Repurchased common stock (in shares) (378,363) (378,000)      
Repurchased common stock $ (3,041)     (3,041)  
Other comprehensive income (loss) (536)       (536)
Net income (loss) 1,395     1,395  
Ending balance, shares at Jun. 30, 2023   191,657,000      
Ending balance at Jun. 30, 2023 $ 168,349 $ 191 $ 1,070,461 $ (902,633) $ 330