XML 48 R37.htm IDEA: XBRL DOCUMENT v3.22.1
Debt - Narrative (Details)
 3 Months Ended
May 12, 2020
USD ($)
Mar. 31, 2022
USD ($)
trading_day
$ / shares
Mar. 31, 2021
USD ($)
shares
Dec. 31, 2021
USD ($)
Debt Instrument [Line Items]        
Loss on debt conversion and extinguishment   $ 450,000 $ 432,000  
2025 Notes        
Debt Instrument [Line Items]        
Debt conversion amount     $ 5,000,000  
Conversion (shares) | shares     428,669  
Shares in satisfaction of make-whole payment (shares) | shares     32,221  
Loss on debt conversion and extinguishment     $ 400,000  
Convertible Debt | 2025 Notes        
Debt Instrument [Line Items]        
Proceeds from completed registered offering $ 100,000,000      
Debt issued in exchange transaction 80,400,000      
Stated interest rate of debt issued   3.25%    
Principal amount per note   $ 1,000    
Conversion ratio   79.2896    
Conversion price ($ per share) | $ / shares   $ 12.61    
Threshold percentage of stock price trigger   130.00%    
Threshold of trading days | trading_day   20    
Threshold of consecutive trading days | trading_day   30    
Aggregate percentage of holders to declare notes due and payable in default event   25.00%    
Percentage of principal and accrued interest that may be called in default event   100.00%    
Percentage of principal and accrued interest that may be called in event of bankruptcy, insolvency or reorganization   100.00%    
Stock price trigger (in dollars per share) | $ / shares   $ 10.51    
Interest make-whole payment discount rate   1.00%    
Principal amount $ 180,400,000 $ 161,898,000   $ 161,898,000
Notes held by related parties   80,400,000   80,400,000
Accrued interest due to related parties   $ 1,100,000   $ 400,000
Effective interest rate   4.23%   4.06%