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Equity - Statement of Stockholders' Equity (Details) - USD ($)
shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Mar. 31, 2023
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2023
Jun. 30, 2022
Increase (Decrease) in Stockholders' Equity            
Balance at the beginning of the period $ 585,559 $ 577,824 $ 403,570 $ 437,628 $ 577,824 $ 437,628
Net Income (Loss) (85,320) 8,741 9,655 13,330 (76,579) 22,985
Other comprehensive income (loss), net of tax (39) 476 (272) (822)    
Share-based compensation expense 7,932 7,027 6,278 4,481    
Partial extinguishment of 2025 and 2027 Notes 102,140          
Net issuance under employee stock plans 2,328 (8,509) 1,506 (6,787)    
Balance at the end of the period 612,600 585,559 420,737 403,570 612,600 420,737
Cumulative Effect, Period of Adoption, Adjustment            
Increase (Decrease) in Stockholders' Equity            
Balance at the beginning of the period       (44,260)   (44,260)
Common Stock            
Increase (Decrease) in Stockholders' Equity            
Balance at the beginning of the period $ 517 $ 517 $ 513 $ 507 $ 517 $ 507
Balance (in shares) 51,693 51,660 51,243 50,653 51,660 50,653
Partial extinguishment of 2025 and 2027 Notes $ 45          
Partial extinguishment of 2025 and 2027 Notes (in shares) 4,460          
Net issuance under employee stock plans $ 2   $ 2 $ 6    
Net issuance under employee stock plans (in shares) 185 33 182 590    
Balance at the end of the period $ 564 $ 517 $ 515 $ 513 $ 564 $ 515
Balance (in shares) 56,338 51,693 51,425 51,243 56,338 51,425
Additional Paid-in Capital            
Increase (Decrease) in Stockholders' Equity            
Balance at the beginning of the period $ 1,076,698 $ 1,078,180 $ 1,057,808 $ 1,116,921 $ 1,078,180 $ 1,116,921
Share-based compensation expense 7,932 7,027 6,278 4,481    
Partial extinguishment of 2025 and 2027 Notes 102,095          
Net issuance under employee stock plans 2,326 (8,509) 1,504 (6,793)    
Balance at the end of the period 1,189,051 1,076,698 1,065,590 1,057,808 1,189,051 1,065,590
Additional Paid-in Capital | Cumulative Effect, Period of Adoption, Adjustment            
Increase (Decrease) in Stockholders' Equity            
Balance at the beginning of the period       (56,801)   (56,801)
Accumulated Deficit            
Increase (Decrease) in Stockholders' Equity            
Balance at the beginning of the period (493,060) (501,801) (655,412) (681,283) (501,801) (681,283)
Net Income (Loss) (85,320) 8,741 9,655 13,330    
Balance at the end of the period (578,380) (493,060) (645,757) (655,412) (578,380) (645,757)
Accumulated Deficit | Cumulative Effect, Period of Adoption, Adjustment            
Increase (Decrease) in Stockholders' Equity            
Balance at the beginning of the period       12,541   12,541
Accumulated Other Comprehensive Income            
Increase (Decrease) in Stockholders' Equity            
Balance at the beginning of the period 1,404 928 661 1,483 928 1,483
Other comprehensive income (loss), net of tax (39) 476 (272) (822)    
Balance at the end of the period $ 1,365 $ 1,404 $ 389 $ 661 $ 1,365 $ 389