XML 65 R55.htm IDEA: XBRL DOCUMENT v3.21.2
Convertible Notes - Narrative (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Oct. 15, 2021
USD ($)
shares
Apr. 04, 2018
day
$ / shares
Mar. 27, 2018
Sep. 30, 2021
USD ($)
shares
Sep. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
shares
Sep. 30, 2020
USD ($)
Sep. 22, 2021
USD ($)
Debt Instrument [Line Items]                
Aggregate principal amount exchanged       $ 46,000        
Gain on extinguishment of debt       9,840 $ 0 $ 9,840 $ 0  
Prepaid Forward                
Debt Instrument [Line Items]                
Funded Prepaid Forward       $ 45,100        
Stock underlying the Prepaid Forward (shares) | shares       1,858,500   1,858,500    
Subsequent event                
Debt Instrument [Line Items]                
Shares issued (shares) | shares 657,256              
Notes exchanged $ 5,000              
Unsecured obligations | 2.50% Convertible notes due 2023                
Debt Instrument [Line Items]                
Conversion ratio   0.0323428 0.0323428          
Initial conversion price (usd per share) | $ / shares   $ 30.92            
Contractual term   5 years            
Effective interest rate   11.52%            
Repurchase principal balance, percent   100.00%            
Aggregate principal amount exchanged       $ 46,000        
Shares issued (shares) | shares           0    
Notes exchanged       34,500   $ 34,500   $ 34,500
Gain on extinguishment of debt       5,800        
Reduction of unamortized debt discount and issuance cost       (5,600)        
Reacquisition costs       (800)        
Aggregate principal amount       $ 125,500   $ 125,500    
Unsecured obligations | 2.50% Convertible notes due 2023 | Subsequent event                
Debt Instrument [Line Items]                
Aggregate principal amount exchanged $ 5,000              
Unsecured obligations | 2.50% Convertible notes due 2023 | Option one to convert                
Debt Instrument [Line Items]                
Stock price conversion threshold, percentage   130.00%            
Consecutive trading days | day   20            
Threshold trading days | day   30            
Unsecured obligations | 2.50% Convertible notes due 2023 | Option two to convert                
Debt Instrument [Line Items]                
Consecutive trading days | day   5            
Threshold trading days | day   5            
Trading price threshold, percentage   98.00%