Debt - Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Debt Instrument [Line Items]
Total interest expense	$ 5,359	$ 3,672	$ 12,841	$ 7,822
Senior Notes
Debt Instrument [Line Items]
Contractual interest expense	822	822	2,465	1,779
Amortization of debt discount	0	0	0	0
Amortization of debt issuance costs	1,288	1,291	3,863	3,366
Total interest expense	2,110	2,113	6,328	5,145
2023 notes as if converted | Senior Notes
Debt Instrument [Line Items]
Contractual interest expense	103	103	309	311
Amortization of debt discount	0	0	0	0
Amortization of debt issuance costs	38	41	113	151
Total interest expense	141	144	422	462
2025 notes as if converted | 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	2,070	2,070
Total interest expense	690	690	2,070	2,070
2027 notes as if converted | Senior Notes
Debt Instrument [Line Items]
Contractual interest expense	719	719	2,156	1,468
Amortization of debt discount	0	0	0	0
Amortization of debt issuance costs	560	560	1,680	1,145
Total interest expense	$ 1,279	$ 1,279	$ 3,836	$ 2,613