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Convertible Senior Notes, Net of Current Portion, Capped Call Transactions, and Warrants - Narrative (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Jun. 13, 2024
USD ($)
Jun. 03, 2024
USD ($)
$ / shares
shares
Mar. 21, 2023
USD ($)
Dec. 31, 2020
USD ($)
day
Jun. 30, 2024
USD ($)
day
segment
d
Dec. 31, 2020
USD ($)
day
shares
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Mar. 31, 2023
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2020
USD ($)
Sep. 30, 2024
$ / shares
Dec. 31, 2023
$ / shares
Dec. 31, 2022
$ / shares
Mar. 31, 2019
USD ($)
Debt Instrument [Line Items]                                  
Debt instrument, repurchase amount     $ 149,700                            
Debt instrument, increase (decrease), net     157,500                            
Gain on debt extinguishment             $ 0 $ 0   $ 73,083 $ 7,200            
Convertible senior notes, net of current portion (Note 8)             470,304     470,304   $ 511,565          
Number of shares of common stock covered by called caps (shares) | shares           6,880,000                      
Reduction to additional paid-in-capital related to called caps           $ 46,100                      
Interest expense             7,000 $ 800     4,100            
Common stock, par value (in dollars per share) | (per share)                           $ 1.000 $ 1.000 $ 0.001  
Amortization of debt issuance costs and debt discount                   3,079 3,384            
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares   $ 0.75                              
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares   9,746,723                              
Class of Warrant or Right, Post-Exercise Basis, Percentage         4.99%                        
Class of Warrant or Right, Post-Exercise Basis, Term of Investor Notice         61 days                        
Class of Warrant or Right, Post-Exercise Basis, Maximum Percentage         9.99%                        
Warrants liability   $ 5,300         13,056     13,056              
Change in fair value of warrants             $ 7,800     $ 7,790 $ 0 0          
Share-Settled Warrants                                  
Debt Instrument [Line Items]                                  
Warrants and Rights Outstanding, Term   10 years                              
Cash-Settled Warrants                                  
Debt Instrument [Line Items]                                  
Warrants and Rights Outstanding, Term   10 years         10 years     10 years              
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares   $ 0.75                              
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares   2,344,775                              
Class of Warrant or Right, Available Cash             $ 100,000     $ 100,000              
Class of Warrant or Right, Settlement Amount, Annualized Interest Rate         6.00%                        
Convertible Debt                                  
Debt Instrument [Line Items]                                  
Principal Balance             511,204     511,204   589,992          
Unamortized issuance costs             10,357     10,357   6,034          
Unamortized debt discount             30,543     30,543   0          
Total net carrying value             470,304     470,304   583,958          
2024 Notes                                  
Debt Instrument [Line Items]                                  
Principal Balance             72,000     72,000              
Debt instrument, increase (decrease), net     $ 228,300                            
Gain on debt extinguishment                       7,200          
Unamortized debt discount                       0          
2024 Notes | Previously Reported                                  
Debt Instrument [Line Items]                                  
Gain on debt extinguishment                 $ 6,100                
Payment for debt extinguishment or debt prepayment cost                 $ 500                
2024 Notes | Revision of Prior Period, Adjustment                                  
Debt Instrument [Line Items]                                  
Gain on debt extinguishment                       1,100          
2024 Notes | Convertible Debt                                  
Debt Instrument [Line Items]                                  
Principal Balance             $ 72,500     $ 72,500   72,492         $ 230,000
Debt instrument stated rate (percent)             0.75%     0.75%             0.75%
Unamortized issuance costs                       99          
Unamortized debt discount                       0          
Total net carrying value                       72,393          
2026 Notes                                  
Debt Instrument [Line Items]                                  
Debt instrument, repurchase amount $ 10,300                                
Debt instrument, increase (decrease), net                   $ 154,700              
Gain on debt extinguishment             $ 5,000                    
Convertible senior notes, net of current portion (Note 8)             357,800     357,800              
Unamortized debt discount             0     0   0          
Repayments of Convertible Debt $ 4,900                                
2026 Notes | Investor                                  
Debt Instrument [Line Items]                                  
Principal Balance   $ 146,000         146,000     146,000              
2026 Notes | Debt Instrument, Redemption, First Lien Convertible Notes                                  
Debt Instrument [Line Items]                                  
Principal Balance             60,000     60,000              
Debt Instrument, Threshold Before Maturity         91 days                        
2026 Notes | Convertible Debt                                  
Debt Instrument [Line Items]                                  
Principal Balance       $ 517,500   $ 517,500 $ 361,204     $ 361,204   517,500 $ 517,500        
Debt instrument stated rate (percent)             0.00%     0.00%              
Debt instrument, increase (decrease), net                   $ 156,300              
Proceeds from debt offering, net of debt issuance costs                         $ 505,300        
Debt Instrument, Convertible, Conversion Ratio       0.0132933                          
Percentage of principal amount paid if repurchase due to fundamental change (percent)           100.00%                      
Unamortized issuance costs             $ 3,115     $ 3,115   5,935          
Remaining amortization period for debt discount and debt issuance costs             2 years 4 months 24 days     2 years 4 months 24 days              
Effective interest rate (percent)             0.40%     0.40%              
Convertible debt conversion price (in dollars per share) | $ / shares                               75.23  
Unamortized debt discount             $ 0     $ 0   0          
Total net carrying value             358,089     358,089   $ 511,565          
Debt Instrument, Convertible, Threshold Principal Amount         $ 60,000                        
2026 Notes | Convertible Debt | Debt Conversion Terms One                                  
Debt Instrument [Line Items]                                  
Threshold trading days in consideration of note conversion | day           20                      
Threshold consecutive trading days in analysis of conversion price | day           30                      
Threshold percentage of stock price if converted           130.00%                      
2026 Notes | Convertible Debt | Debt Conversion Terms Two                                  
Debt Instrument [Line Items]                                  
Threshold trading days in consideration of note conversion | day       5                          
Threshold consecutive trading days in analysis of conversion price | day       5                          
Threshold for five day period, product of sale price of common stock and conversion rate of notes           98.00%                      
Capped calls                                  
Debt Instrument [Line Items]                                  
Capped caps initial strike price (in dollars per share) | $ / shares                               75.23  
Capped caps initial cap price (in dollars per share) | $ / shares                               $ 105.58  
2029 Notes                                  
Debt Instrument [Line Items]                                  
Unamortized debt discount             30,543     30,543              
2029 Notes | Investor                                  
Debt Instrument [Line Items]                                  
Principal Balance             100,000     100,000              
Debt instrument, repurchase amount             50,000     50,000              
Class of Warrant Or Right, Additional Amount Authorized For Purchase   $ 50,000                              
2029 Notes | Debt Instrument, Redemption, First Lien Convertible Notes                                  
Debt Instrument [Line Items]                                  
Percentage of principal amount paid if repurchase due to fundamental change (percent)         100.00%                        
Debt Instrument, Redemption Price, Discount Percentage, Basis Points         50                        
2029 Notes | Convertible Debt                                  
Debt Instrument [Line Items]                                  
Principal Balance             150,000     150,000              
Debt Instrument, Convertible, Conversion Ratio         0.0132933                        
Unamortized issuance costs             $ 7,242     $ 7,242              
Remaining amortization period for debt discount and debt issuance costs             4 years 9 months 18 days     4 years 9 months 18 days              
Unamortized debt discount             $ 30,543     $ 30,543              
Total net carrying value             112,215     112,215              
Amortization of debt issuance costs and debt discount         $ 7,200                        
Debt Instrument, Covenant, Maximum Debt Junior In Lien Property         150,000                        
Debt Instrument, Covenant, Minimum Required Cash Balance         $ 60,000                        
Debt Instrument, Convertible, Trading Day Observation Period | d         50                        
Long-Term Debt, Fair Value             $ 118,100     $ 118,100              
Debt Instrument, Interest Rate, Effective Percentage             19.18%     19.18%              
Debt issuance costs attributable to liability             $ 7,600     $ 7,600              
Debt Instrument, Discount, Gross             $ 31,900     $ 31,900              
2029 Notes | Convertible Debt | Debt Conversion Terms One                                  
Debt Instrument [Line Items]                                  
Threshold trading days in consideration of note conversion | day         20                        
Threshold consecutive trading days in analysis of conversion price | day         30                        
Threshold percentage of stock price if converted         130.00%                        
2029 Notes | Convertible Debt | Debt Conversion Terms Two                                  
Debt Instrument [Line Items]                                  
Threshold trading days in consideration of note conversion | segment         5                        
Threshold consecutive trading days in analysis of conversion price | segment         5                        
Threshold for five day period, product of sale price of common stock and conversion rate of notes         98.00%                        
2029 Notes | Convertible Debt | Debt Instrument, Redemption, Period One                                  
Debt Instrument [Line Items]                                  
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed         106.50%                        
Debt Instrument, Redemption Price, Accrued And Unpaid Interest, Percentage         106.50%                        
2029 Notes | Convertible Debt | Debt Instrument, Redemption, Period Two                                  
Debt Instrument [Line Items]                                  
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed         103.25%                        
Debt Instrument, Redemption Price, Accrued And Unpaid Interest, Percentage         103.25%                        
2029 Notes | Convertible Debt | Debt Instrument, Redemption, Period Three                                  
Debt Instrument [Line Items]                                  
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed         113.00%                        
Debt Instrument, Redemption Price, Accrued And Unpaid Interest, Percentage         113.00%                        
2029 Notes | Convertible Debt | Debt Instrument, Redemption, Fundamental Change                                  
Debt Instrument [Line Items]                                  
Percentage of principal amount paid if repurchase due to fundamental change (percent)         100.00%                        
Debt Instrument, Redemption Price, Remaining Future Interest Payments, Percentage         66.00%                        
Debt Instrument, Redemption Price, Discount Percentage, Basis Points         50                        
2029 Notes | Convertible Debt | Earlier Of The Date of Issuance of Delayed Draw Notes And December 15. 2026                                  
Debt Instrument [Line Items]                                  
Debt instrument stated rate (percent)             10.83%     10.83%              
Debt Instrument, Interest Rate, Stated Percentage, Cash             4.17%     4.17%              
Debt Instrument, Interest Rate, Stated Percentage, Paid In Kind             6.66%     6.66%              
2029 Notes | Convertible Debt | Date of Issuance of Delayed Draw Notes And Prior to December 15, 2026                                  
Debt Instrument [Line Items]                                  
Debt instrument stated rate (percent)             11.375%     11.375%              
Debt Instrument, Interest Rate, Stated Percentage, Cash             4.375%     4.375%              
Debt Instrument, Interest Rate, Stated Percentage, Paid In Kind             7.00%     7.00%              
2029 Notes | Convertible Debt | On Or After December 15, 2026                                  
Debt Instrument [Line Items]                                  
Debt instrument stated rate (percent)             13.00%     13.00%              
Debt Instrument, Interest Rate, Stated Percentage, Cash             5.00%     5.00%              
Debt Instrument, Interest Rate, Stated Percentage, Paid In Kind             8.00%     8.00%              
Exchange and Purchase Agreement                                  
Debt Instrument [Line Items]                                  
Gain on debt extinguishment             $ 68,100