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v3.23.3

Convertible Senior Notes, Net - Narrative (Details) | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2023 USD ($) $ / shares | Jun. 30, 2023 USD ($) | Mar. 31, 2023 USD ($) | Sep. 30, 2022 USD ($) | Jun. 30, 2019 USD ($) | Sep. 30, 2023 USD ($) $ / shares | Sep. 30, 2022 USD ($) | Dec. 31, 2017 USD ($) offering | Oct. 26, 2023 USD ($) | Dec. 31, 2022 USD ($) | Jun. 30, 2022 USD ($) | Mar. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2018 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' equity attributable to parent |  | $ 2,211,782,000 | $ 2,214,991,000 | $ 2,347,561,000 | $ 2,407,685,000 |  | $ 2,211,782,000 | $ 2,407,685,000 |  |  | $ 2,354,504,000 | $ 2,273,312,000 | $ 2,251,018,000 | $ 2,294,626,000 |
Realized gain on extinguishment of debt |  | 30,000 |  |  | 0 |  | 495,000 | 0 |  |  |  |  |  |  |
Adjustment due to Adoption of ASU |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' equity attributable to parent | [1] |  |  |  |  |  |  |  |  |  |  |  |  | (3,416,000) |
Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' equity attributable to parent |  | $ 1,414,000 | 1,413,000 | 1,413,000 | 1,406,000 |  | $ 1,414,000 | 1,406,000 |  |  | 1,406,000 | 1,406,000 | 1,405,000 | 1,399,000 |
Share price (in dollars per share) | $ / shares |  | $ 10.13 |  |  |  |  | $ 10.13 |  |  |  |  |  |  |  |
Additional Paid-In-Capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' equity attributable to parent |  | $ 2,723,170,000 | 2,718,920,000 | 2,714,555,000 | 2,712,390,000 |  | $ 2,723,170,000 | 2,712,390,000 |  |  | 2,716,907,000 | 2,707,872,000 | 2,703,354,000 | 2,721,042,000 |
Additional Paid-In-Capital | Adjustment due to Adoption of ASU |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' equity attributable to parent | [1] |  |  |  |  |  |  |  |  |  |  |  |  | (15,408,000) |
Accumulated Deficit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' equity attributable to parent |  | (512,870,000) | (505,410,000) | (368,475,000) | (306,179,000) |  | (512,870,000) | (306,179,000) |  |  | (363,877,000) | $ (436,034,000) | $ (453,809,000) | (427,883,000) |
Accumulated Deficit | Adjustment due to Adoption of ASU |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' equity attributable to parent | [1] |  |  |  |  |  |  |  |  |  |  |  |  | 11,992,000 |
2023 Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, repurchase amount |  | $ 10,000,000 | $ 36,800,000 | $ 7,100,000 |  |  | 10,000,000 |  |  |  |  |  |  |  |
Debt instrument, redemption price, percentage |  | 99.70% | 99.30% | 97.00% |  |  |  |  |  |  |  |  |  |  |
Realized gain on extinguishment of debt |  | $ 30,000 |  |  |  |  | 500,000 |  |  |  |  |  |  |  |
Convertible Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  | 176,064,000 |  |  |  |  | 176,064,000 |  |  |  | 230,000,000 |  |  |  |
Interest expense |  | 2,400,000 |  |  | 5,500,000 |  | 8,200,000 | 19,800,000 |  |  |  |  |  |  |
Non-cash interest expense |  | 300,000 |  |  | 600,000 |  | 1,100,000 | 2,100,000 |  |  |  |  |  |  |
Convertible Debt | 2022 Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of debt offerings issued | offering |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  | $ 345,000,000 |  |  | $ 345,000,000 | $ 345,000,000 |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  | 4.75% |  |  |  |  |  |
Proceeds from convertible debt |  |  |  |  |  |  |  |  | $ 337,500,000 |  |  |  |  |  |
Convertible Debt | 2022 Notes | Additional Paid-In-Capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible debt, carrying amount of equity component |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,000,000 |
Convertible Debt | 2023 Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  | $ 176,064,000 |  |  |  |  | $ 176,064,000 |  |  |  | $ 230,000,000 |  |  |  | $ 230,000,000
Stated interest rate |  | 5.38% |  |  |  |  | 5.38% |  |  |  | 5.38% |  |  |  | 5.375%
Proceeds from convertible debt |  |  |  |  |  | $ 223,700,000 |  |  |  |  |  |  |  |  |
Convertible senior notes, net |  | $ 176,000,000 |  |  |  |  | $ 176,000,000 |  |  |  |  |  |  |  |
Unamortized discount |  | $ 100,000 |  |  |  |  | $ 100,000 |  |  |  |  |  |  |  |
Convertible Debt | 2023 Notes | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  |  |  | $ 176,100,000 |  |  |  |  |
Convertible Debt | 2023 Notes | Additional Paid-In-Capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible debt, carrying amount of equity component |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,400,000 |
Convertible Debt | 2022 and 2023 Notes | Additional Paid-In-Capital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible debt, carrying amount of equity component |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 15,400,000 |
[1] | Refer to "Note 10 - Convertible Senior Notes, Net" for detail

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