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Convertible Senior Notes - General (Details) - 2.75% Convertible Senior Notes due 2027
$ / shares in Units, $ in Thousands
1 Months Ended
Jun. 11, 2020
USD ($)
D
$ / shares
Jun. 30, 2020
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Long-Term Debt        
Convertible Notes $ 287,500   $ 287,500 $ 287,500
Interest rate (as a percent) 2.75%      
Net proceeds from the debt $ 242,200      
Threshold trading days | D 20      
Threshold consecutive trading days | D 30      
Premium percentage on conversion price 130.00%      
Number of business days | D 5      
Measurement period 10 days      
Denomination for conversion of debt $ 1,000      
Product of sale price and conversion rate (as a percent) 98.00%      
Conversion ratio 17.8269      
Initial conversion price | $ / shares $ 56.10      
Redemption price percentage on principal amount to be redeemed 100.00%      
Principal amount of the convertible notes to be repurchased (as a percent) 100.00%      
Carrying amount of liability component   $ 189,800    
Discount rate (as a percent)   9.50%    
Carrying amount of the equity component representing the conversion option   $ 97,700    
Transaction cost on convertible notes   9,600    
Transaction cost on convertible notes attributable to equity component   $ 3,300