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Long-term Debt - 2021 Notes (Details) - Senior Notes - USD ($)
1 Months Ended
Dec. 01, 2021
Aug. 31, 2020
Dec. 31, 2016
Jun. 30, 2022
Dec. 31, 2021
Debt Instrument [Line Items]          
Payments of debt issuance costs   $ 2,500,000      
Net loss on extinguishment of debt, including fees paid to lenders   4,800,000      
2021 Notes          
Debt Instrument [Line Items]          
Face amount     $ 125,000,000    
Interest rate     2.00%    
Proceeds from issuance of debt     $ 120,400,000    
Debt issuance costs     $ 4,600,000    
Debt conversion, converted instrument, amount $ 26,700,000        
Debt conversion, original debt, amount 26,300,000 84,200,000      
Payments of debt issuance costs 400,000        
Net loss on extinguishment of debt, including fees paid to lenders 2,200,000        
Face amount of debt repaid   14,000,000      
Repayments of senior debt   13,900,000      
Debt conversion, original debt, fair value $ 28,500,000        
2024 Notes          
Debt Instrument [Line Items]          
Face amount   $ 117,100,000   $ 117,051,000 $ 117,051,000
Interest rate   3.50%      
Debt issuance costs   $ 3,000,000      
Debt conversion, converted instrument, amount   $ 84,200,000