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v3.23.3

LONG-TERM DEBT - Convertible Notes (Details) $ / shares in Units, $ in Thousands |  |  | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 15, 2020 USD ($) $ / shares | Jan. 29, 2020 $ / shares | Sep. 30, 2023 USD ($) $ / shares | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Feb. 16, 2023 USD ($) | Dec. 31, 2022 USD ($) | Mar. 15, 2020 USD ($)
Long-term debt |  |  |  |  |  |  |  |
Outstanding Principal |  |  | $ 549,834 |  |  |  |  |
Unamortized debt discount of notes |  |  | 245 |  |  |  |  |
Outstanding amount |  |  | 548,219 |  |  |  | $ 445,583 |
3.875% Convertible Senior Notes due 2025 |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |
Outstanding Principal |  |  | $ 51,034 |  |  |  |  |
Interest rate (as a percent) |  |  | 3.875% |  |  |  | 3.875% | 3.875%
Outstanding amount |  |  | $ 50,789 |  |  |  | $ 50,670 | $ 75,000
2025 Notes maturing on April 15, 2025 |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |
Debt instrument conversion ratio | 12.7910 |  | 66.0051 |  |  |  |  |
Threshold principal amount for adjusted conversion price | $ 1 |  | $ 1 |  |  |  |  |
Conversion price per share (in dollars per share) | $ / shares | $ 78.18 |  | $ 15.15 |  |  |  |  |
Repurchase of notes |  |  |  | $ 11,400 | $ 12,500 |  |  |
Unamortized debt discount of notes |  |  |  | 1,600 | 2,600 |  |  |
Gain (Loss) on Extinguishment of Debt |  |  |  | $ (2,900) | $ 1,100 |  |  |
Premium initial conversion price |  | 20.00% |  |  |  |  |  |
Closing share price (in dollars per share) | $ / shares |  | $ 65.15 |  |  |  |  |  |
Dividends Declared and Paid - Common Stock (in dollars per share) | $ / shares | $ 0.13 |  |  |  |  |  |  |
Sinking fund provided |  |  | $ 0 |  |  |  |  |
Outstanding amount |  |  | 51,000 |  |  |  |  |
2025 Notes Repurchase Program | Maximum |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |
Repurchase of notes |  |  |  |  |  | $ 4,740 |  |
Convertible Debt | 2025 Notes maturing on April 15, 2025 |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |
Threshold principal amount for adjusted conversion price |  |  | 1 |  |  |  |  |
Unamortized debt discount of notes |  |  | $ 200 |  |  |  |  |

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