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Subsequent Events - Additional Information (Detail) $ in Thousands |  |  |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 14, 2023 USD ($) | Feb. 10, 2023 | Jun. 14, 2021 Day shares | Aug. 13, 2020 USD ($) Day shares | Jun. 16, 2020 USD ($) Day shares | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2023
Principal amount | $ 115,000 |  |  |  |  | $ 325,000 | $ 325,000 |  |
Loss on extinguishment of debt (Note 11) |  |  |  |  |  | 0 | $ 0 | $ (2,387) |
Convertible Senior Notes Due 2023 [Member] |  |  |  |  |  |  |  |  |
Principal amount |  |  |  | $ 25,000 | $ 150,000 | $ 325,000 |  |  |
Covertible senior notes year of maturity |  |  |  | 2023 | 2023 |  |  |  |
Maximum number of shares issuable upon conversion | shares |  |  | 21,812,089 | 21,812,089 | 21,812,089 |  |  |  |
Redemption provisions - Convertible notes, threshold consecutive trading days | Day |  |  | 30 | 30 |  |  |  |  |
Redemption provisions - Convertible notes redemption price as a percentage of principal amount accrued interest and unpaid interest |  |  | 100.00% | 100.00% | 100.00% |  |  |  |
Maximum Conversion Rate |  | 167.7853 |  |  |  |  |  |  |
Two Thousand And Twenty Notes [Member] |  |  |  |  |  |  |  |  |
Principal amount | 125,118 |  |  |  |  |  |  |  |
Loss on extinguishment of debt (Note 11) | 9,721 |  |  |  |  |  |  |  |
Convertible Senior Notes Due 2028 [Member] |  |  |  |  |  |  |  |  |
Principal amount | 130,000 |  |  |  |  |  |  |  |
Proceeds from Convertible Debt | $ 126,375 |  |  |  |  |  |  |  |
Covertible senior notes year of maturity | 2028 |  |  |  |  |  |  |  |
Convertible debt instrument terms of conversion |  |  |  |  | Conversion price: Convertible at an initial conversion rate into shares of the Company’s common stock, per $1,000 principal amount of notes (equivalent to an initial conversion price as disclosed in the table above), subject to adjustment. | Conversion: Holders may convert at their option at any time prior to the close of business on the business day immediately preceding May 15, 2028 only under the following circumstances: (i) during any calendar quarter commencing after the calendar quarter ending on June 30, 2023 (and only during such calendar quarter), if the last reported sale price of the Company’s common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on the last trading day of theimmediately preceding calendar quarter is greater than or equal to 130% of the conversion price on each applicable trading day; (ii) during the five business day period after any ten consecutive trading day period (the “measurement period”) in which the trading price per $1,000 principal amount of the 2023 Notes for each trading day of the measurement period was less than 98% of the product of the last reported sales price of the Company’s common stock and the conversion rate on each such trading day; (iii) upon a notice of redemption delivered by the Company in accordance with the terms of the indenture but only with respect to the 2023 Notes called (or deemed called) for redemption; or (iv) upon the occurrence of specified corporate events. On or after May 15, 2028, until the close of business on the second scheduled trading day immediately preceding the maturity date, holders may convert their 2023 Notes at any time, regardless of the foregoing circumstances. |  |  |
Redemption provisions - Convertible notes |  |  |  | Redemption price: The Company may redeem for cash all or any portion of the notes, at its option, on or after August 20, 2025 and on or prior to the 55th scheduled trading day immediately preceding the maturity date, if the last reported sale price of the Company’s common stock has been at least 130% of the conversion price then in effect for at least 20 trading days (whether or not consecutive), including the trading day immediately preceding the date on which the Company provides notice of redemption, during any 30 consecutive trading day period ending on, and including, the trading day immediately preceding the date on which the Company provides notice of redemption, at a redemption price equal to 100% of the principal amount of the 2023 Notes to be redeemed, plus accrued and unpaid interest to, but excluding the redemption date. No sinking fund is provided for the 2023 Notes. | Redemption price: The Company may redeem for cash all or any portion of the notes, at its option, on or after August 20, 2025 and on or prior to the 55th scheduled trading day immediately preceding the maturity date, if the last reported sale price of the Company’s common stock has been at least 130% of the conversion price then in effect for at least 20 trading days (whether or not consecutive), including the trading day immediately preceding the date on which the Company provides notice of redemption, during any 30 consecutive trading day period ending on, and including, the trading day immediately preceding the date on which the Company provides notice of redemption, at a redemption price equal to 100% of the principal amount of the 2023 Notes to be redeemed, plus accrued and unpaid interest to, but excluding the redemption date. No sinking fund is provided for the 2023 Notes. |  |  |  |
Redemption provisions - Convertible notes, threshold trading days | Day |  |  | 20 | 20 | 20 |  |  |  |
Redemption provisions - Convertible notes, threshold consecutive trading days | Day |  |  | 30 | 30 | 30 |  |  |  |
Redemption provisions - Convertible notes redemption price as a percentage of principal amount accrued interest and unpaid interest |  |  |  |  | 100.00% |  |  |  |
Number Of Threshold Trading Days For Determining The Share Price |  |  | 5 days | 5 days | 5 days |  |  |  |
Measurement period for determining share price |  |  | 10 days | 10 days | 10 days |  |  |  |
Share price as a percentage of last reported price and conversion rate |  |  | 98.00% | 98.00% | 98.00% |  |  |  |
Subsequent Event [Member] | Convertible Senior Notes Due 2028 [Member] |  |  |  |  |  |  |  |  |
Convertible note bears interest rate |  |  |  |  |  |  |  |  | 5.75%

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