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Indebtedness, net (Narrative) (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
May 31, 2021
USD ($)
day
$ / shares
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
Debt Instrument [Line Items]            
Amortization of principal   $ 500 $ 1,000 $ 1,000 $ 2,400  
Indebtedness, gross   1,237,250   1,237,250   $ 1,180,750
Net proceeds from long-term debt       70,500 83,231  
Convertible senior notes | Convertible Senior Notes            
Debt Instrument [Line Items]            
Indebtedness, gross   $ 86,250   $ 86,250   $ 86,250
Face amount of debt $ 86,250          
Interest rate 4.50% 4.50%   4.50%    
Net proceeds from long-term debt $ 82,800          
Coupon interest expense   $ 970 464 $ 1,900 464  
Carrying amount of the equity component 6,300          
Initial discount $ 9,300          
Discount amortization   $ 139 $ 185 $ 271 $ 185  
Conversion rate 0.1577909          
Conversion price (in dollars per share) | $ / shares $ 6.34          
Threshold percentage of stock price trigger 130.00%          
Threshold trading days | day 20          
Threshold consecutive trading days | day 30          
Redemption price, percentage 100.00%          
Convertible senior notes | Convertible Senior Notes | Discount rate            
Debt Instrument [Line Items]            
Debt instrument, measurement input 0.071