Debt - Interest Expense (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revolving Credit Facility
Debt Instrument [Line Items]
Contractual interest expense			$ 810,000
Amortization of debt issuance costs			705,000
Total interest expense			1,515,000
2025 Notes | Convertible Debt
Debt Instrument [Line Items]
Contractual interest expense	$ 1,315,000	$ 1,315,000	3,946,000	$ 3,946,000
Amortization of debt discount	207,000	207,000	621,000	621,000
Amortization of debt issuance costs	165,000	165,000	494,000	494,000
Total interest expense	$ 1,687,000	$ 1,687,000	$ 5,061,000	$ 5,061,000