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Liabilities - Convertible Senior Notes - Interest Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Non-Cash Interest Expense        
Amortization of debt discount/transaction costs     $ 833 $ 935
Total Interest Expense $ 1,936 $ 2,442 6,178 7,292
2025 Notes        
Cash Interest Expense        
Coupon interest expense   232 39 696
Non-Cash Interest Expense        
Amortization of debt discount/transaction costs   26 $ 4 76
Convertible Debt, Fair Value by Fair Value Hierarchy Level Level 2   Level 2  
2027 Notes        
Cash Interest Expense        
Coupon interest expense   234 $ 347 702
Non-Cash Interest Expense        
Amortization of debt discount/transaction costs   23 $ 30 66
Convertible Debt, Fair Value by Fair Value Hierarchy Level Level 2   Level 2  
2029 Notes        
Cash Interest Expense        
Coupon interest expense $ 1,653 1,653 $ 4,959 4,959
Non-Cash Interest Expense        
Amortization of debt discount/transaction costs 283 $ 274 799 $ 793
Estimated fair value $ 290,700   $ 290,700  
Convertible Debt, Fair Value by Fair Value Hierarchy Level Level 2   Level 2