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Long-term Debt - 2021 Notes (Details) - Senior Notes - USD ($)
1 Months Ended
Aug. 11, 2022
Dec. 01, 2021
Aug. 31, 2020
Dec. 31, 2016
Sep. 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 $ 92,800,000 26,300,000 84,200,000      
Payments of debt issuance costs   $ 400,000        
Face amount of debt repaid     14,000,000      
Repayments of senior debt     13,900,000      
2024 Notes            
Debt Instrument [Line Items]            
Face amount     $ 117,100,000   $ 24,281,000 $ 117,051,000
Interest rate     3.50%      
Debt issuance costs     $ 3,000,000      
Debt conversion, converted instrument, amount     $ 84,200,000