Long-Term Debt - Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Debt Disclosure [Abstract]
Coupon interest	$ 2,191	$ 3,047	$ 7,588	$ 9,141
Amortization of debt issuance costs	395	356	1,295	1,068
Total interest expense on convertible notes payable	$ 2,586	$ 3,403	$ 8,883	$ 10,209