Quarterly report pursuant to Section 13 or 15(d)

Debt - Interest Expense (Details)

v3.22.2
Debt - Interest Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Debt Instrument [Line Items]        
Total interest expense $ 3,620 $ 2,813 $ 7,481 $ 4,151
Senior Notes        
Debt Instrument [Line Items]        
Contractual interest expense 822 819 1,644 957
Amortization of debt discount 0 0 0 0
Amortization of debt issuance costs 1,288 1,286 2,575 2,075
Total interest expense 2,110 2,105 4,219 3,032
1.75% Convertible Senior Notes due 2023 | Senior Notes        
Debt Instrument [Line Items]        
Contractual interest expense 103 104 206 208
Amortization of debt discount 0 0 0 0
Amortization of debt issuance costs 38 39 75 110
Total interest expense 141 143 281 318
0% Convertible Senior Notes due 2025 | Senior Notes        
Debt Instrument [Line Items]        
Contractual interest expense 0 0 0 0
Amortization of debt discount 0 0 0 0
Amortization of debt issuance costs 690 690 1,380 1,380
Total interest expense 690 690 1,380 1,380
0.5% Convertible Senior Notes Due 2027 | Senior Notes        
Debt Instrument [Line Items]        
Contractual interest expense 719 715 1,438 749
Amortization of debt discount 0 0 0 0
Amortization of debt issuance costs 560 557 1,120 585
Total interest expense $ 1,279 $ 1,272 $ 2,558 $ 1,334