Long-term Debt - Interest Expense on Note (Details) - Senior Notes [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Convertible Senior Notes Due 2026
Debt Instrument [Line Items]
Coupon interest	$ 476	$ 69,000	$ 0
Amortization of debt discount (1)	0	1,738,000	0
Amortization of debt issuance costs	2,140	260,000	0
Total interest expense recognized	2,616	2,067,000	0
Convertible Senior Notes Due 2025
Debt Instrument [Line Items]
Coupon interest	292	2,521	1,094
Amortization of debt discount (1)	0	7,780	3,254
Amortization of debt issuance costs	148	1,008	438
Total interest expense recognized	$ 440	$ 11,309	$ 4,786