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CONVERTIBLE NOTES AND OTHER DEBTS - Narrative (Details)
$ / shares in Units, € in Millions, shares in Millions
1 Months Ended 12 Months Ended
Oct. 28, 2022
Jun. 02, 2020
USD ($)
$ / shares
Sep. 13, 2019
USD ($)
$ / shares
Jun. 30, 2020
EUR (€)
Dec. 31, 2022
USD ($)
day
shares
Dec. 31, 2021
USD ($)
Dec. 19, 2019
USD ($)
Debt Instrument [Line Items]              
Convertible debt, non-current         $ 0 $ 98,941,000  
Relief loans         5,337,000 5,651,000  
Societe Generale S.A.              
Debt Instrument [Line Items]              
Stated interest rate (as a percent)       0.51%      
Proceeds from loans | €       € 5      
Relief loans         5,300,000    
Societe Generale S.A. | Other Debts, Current              
Debt Instrument [Line Items]              
Relief loans         1,300,000    
Societe Generale S.A. | Other Debts, Non-current              
Debt Instrument [Line Items]              
Relief loans         4,000,000    
JPMORGAN CHASE BANK N.A. | Revolving Credit Facility              
Debt Instrument [Line Items]              
Stated interest rate (as a percent) 2.00%            
Line of credit facility, maturity factor, period required 90 days            
Borrowings outstanding         $ 0    
Maximum | JPMORGAN CHASE BANK N.A. | Revolving Credit Facility              
Debt Instrument [Line Items]              
Line of credit facility, current borrowing capacity             $ 25,000,000
One Month LIBOR | JPMORGAN CHASE BANK N.A. | Revolving Credit Facility              
Debt Instrument [Line Items]              
Basis spread on variable rate (as a percent) 2.50%            
SOFR for interest period of one, three or six months | JPMORGAN CHASE BANK N.A. | Revolving Credit Facility              
Debt Instrument [Line Items]              
Basis spread on variable rate (as a percent) 3.00%            
2022 Notes              
Debt Instrument [Line Items]              
Debt conversion, converted instrument, shares issued (in shares) | shares         3.9    
2022 Notes | Senior Notes              
Debt Instrument [Line Items]              
Stated interest rate (as a percent)   4.375%          
Debt instrument, face amount   $ 37,700,000          
Debt instrument, convertible, conversion ratio   0.1739978          
Debt instrument, convertible, conversion price (in dollars per share) | $ / shares   $ 5.75          
2024 Notes              
Debt Instrument [Line Items]              
Debt instrument, face amount         $ 115,500,000 $ 115,500,000  
2024 Notes | Senior Notes              
Debt Instrument [Line Items]              
Stated interest rate (as a percent)     2.00%        
Debt instrument, face amount     $ 115,500,000        
Debt instrument, convertible, conversion ratio     0.1155001        
Debt instrument, convertible, conversion price (in dollars per share) | $ / shares     $ 8.66        
Carrying amount of equity component of debt instrument     $ 24,900,000        
Convertible debt, non-current         $ 114,000,000    
2024 Notes | Senior Notes | Stock price greater or equal 130 percent of Note Conversion Price              
Debt Instrument [Line Items]              
Debt instrument, convertible, threshold trading days | day         20    
Debt instrument, convertible, threshold consecutive trading days | day         30    
Threshold of stock price trigger (as a percent)         130.00%