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Stock-Based Compensation - Stock Option Activity (Details)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended
Mar. 31, 2022
USD ($)
$ / shares
shares
Number of Options  
Outstanding at beginning of period (in shares) | shares 800
Granted (in shares) | shares 120
Exercised (in shares) | shares 0
Forfeited/canceled/expired (in shares) | shares (74)
Outstanding at end of period (in shares) | shares 846
Vested and expected to vest at end of period (in shares) | shares 846
Exercisable at end of period (in shares) | shares 630
Weighted-Average Exercise Price  
Outstanding at beginning of period (in dollars per share) | $ / shares $ 45.55
Granted (in dollars per share) | $ / shares 34.56
Exercised (in dollars per share) | $ / shares 0
Forfeited/canceled/expired (in dollars per share) | $ / shares 65.54
Outstanding at end of period (in dollars per share) | $ / shares 42.25
Vested and expected to vest at end of period (in dollars per share) | $ / shares 42.25
Exercisable at end of period (in dollars per share) | $ / shares $ 41.92
Weighted-Average Remaining Contractual Term (in years)  
Outstanding at end of period 3 years 8 months 23 days
Vested and expected to vest at end of period 3 years 8 months 23 days
Exercisable at end of period 2 years 10 months 2 days
Aggregate Intrinsic Value  
Exercised | $ $ 0
Outstanding at end of period | $ 1,587
Vested and expected to vest at end of period | $ 1,587
Exercisable at end of period | $ $ 1,587