Convertible Senior Notes - Expenses and Interest (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
3.75% Convertible Senior Notes
Convertible Senior Notes
Interest expense	$ 1,690	$ 1,849
Amortization of debt issuance costs	316	331
Interest and Debt Expense, Total	$ 2,006	$ 2,180
Effective interest rate (as a percent)	4.50%	4.50%
7.0% Convertible Senior Note
Convertible Senior Notes
Interest expense	$ 296
Amortization of premium	(159)
Interest and Debt Expense, Total	$ 137
Effective interest rate (as a percent)	3.00%