Liabilities - Convertible Senior Notes - Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Non-Cash Interest Expense
Amortization of debt discount/transaction costs			$ 613	$ 514
Total Interest Expense	$ 2,435	$ 2,523	4,850	5,103
2023 Notes
Cash Interest Expense
Coupon interest expense				23
Non-Cash Interest Expense
Amortization of debt discount/transaction costs				4
2025 Notes
Cash Interest Expense
Coupon interest expense	232	737	464	1,896
Non-Cash Interest Expense
Amortization of debt discount/transaction costs	$ 22	77	$ 50	194
Convertible Debt, Fair Value by Fair Value Hierarchy Level	Level 2		Level 2
Estimated fair value	$ 51,500		$ 51,500
2027 Notes
Cash Interest Expense
Coupon interest expense	234	745	468	1,917
Non-Cash Interest Expense
Amortization of debt discount/transaction costs	$ 23	70	$ 43	175
Convertible Debt, Fair Value by Fair Value Hierarchy Level	Level 2		Level 2
Estimated fair value	$ 83,900		$ 83,900
2029 Notes
Cash Interest Expense
Coupon interest expense	1,653	753	3,306	753
Non-Cash Interest Expense
Amortization of debt discount/transaction costs	$ 271	$ 141	$ 519	$ 141
Convertible Debt, Fair Value by Fair Value Hierarchy Level	Level 2		Level 2
Estimated fair value	$ 398,500		$ 398,500