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Lines of Credit and Long-Term Debt - Long-Term Debt - Additional Information (Details)
1 Months Ended 9 Months Ended
Nov. 09, 2022
USD ($)
Sep. 30, 2022
USD ($)
Jul. 31, 2018
USD ($)
day
$ / shares
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Aug. 18, 2022
USD ($)
Jan. 01, 2022
USD ($)
Dec. 31, 2021
USD ($)
Debt Instrument [Line Items]                
Deferred income taxes       $ (162,000) $ (180,000)      
Long-term debt, net of current portion   $ 0   0       $ 179,882,000
Restricted cash           $ 200,000,000    
Restricted cash, current   82,443,000   82,443,000       0
Gain on debt retirement       1,285,000 $ 0      
Accrued interest   721,000   721,000        
Convertible debt                
Debt Instrument [Line Items]                
Extinguishment of debt, amount   117,560,000            
Gain on debt retirement   853,000            
Subsequent Event | Convertible debt                
Debt Instrument [Line Items]                
Extinguishment of debt, amount $ 26,400,000              
Cumulative Effect, Period of Adoption, Adjustment | Accounting Standards Update 2020-06 Retrospective                
Debt Instrument [Line Items]                
Long-term debt, net of current portion             $ 18,196,000  
Cumulative Effect, Period of Adoption, Adjustment | Accounting Standards Update 2020-06 Retrospective | Additional Paid-in Capital                
Debt Instrument [Line Items]                
Stockholders' equity, including portion attributable to noncontrolling interest             36,868,000  
Cumulative Effect, Period of Adoption, Adjustment | Accounting Standards Update 2020-06 Retrospective | Accumulated Deficit                
Debt Instrument [Line Items]                
Stockholders' equity, including portion attributable to noncontrolling interest             $ 18,672,000  
3.5% Convertible Notes Due 2023                
Debt Instrument [Line Items]                
Aggregate principal amount   $ 82,440,000 $ 200,000,000 $ 82,440,000        
Proceeds from long-term debt, net of issuance costs     193,958,000          
Debt issuance costs     $ 6,042,000          
Debt instrument, interest rate, stated percentage   3.50% 3.50% 3.50%        
Conversion rate     58.6622          
Principal amount used in conversion     $ 1,000          
Conversion price (in usd per share) | $ / shares     $ 17.05          
Debt instrument redemption price, percentage     100.00%          
Carrying value of convertible debt   $ 82,069,000 $ 143,723,000 $ 82,069,000       $ 179,882,000
Equity component of convertible debt, net of issuance costs and deferred taxes     50,235,000          
Deferred income taxes     $ 13,367,000          
Effective interest rate on convertible notes   425.00%   425.00%        
Convertible notes, unamortized discount and issuance costs   $ 371,000   $ 371,000        
3.5% Convertible Notes Due 2023 | Minimum                
Debt Instrument [Line Items]                
Common stock price trading days | day     20          
Common stock price consecutive trading days | day     30          
Percentage of common share price over conversion price for conversion     130.00%          
3.5% Convertible Notes Due 2023 | Maximum                
Debt Instrument [Line Items]                
Common stock price trading days | day     5          
Common stock price consecutive trading days | day     5          
Debt instrument redemption price, percentage     98.00%