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Convertible Notes - Additional Information (Detail) $ / shares in Units, $ in Thousands |  |  |  |  | 3 Months Ended | 23 Months Ended | 33 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
May 20, 2023 USD ($) | Jan. 01, 2021 USD ($) | Aug. 13, 2020 USD ($) Day $ / shares | Jun. 16, 2020 USD ($) Day $ / shares | Mar. 31, 2021 USD ($) | Mar. 31, 2020 USD ($) | May 21, 2023 Day | May 13, 2023 Day | Dec. 31, 2020 USD ($)
Convertible Senior Notes [Line Items] |  |  |  |  |  |  |  |  |
Convertible senior notes face value |  |  |  |  | $ 175,000 |  |  |  | $ 175,000
Debt instrument convertible threshold percentage of stock price trigger | 130.00% |  |  |  |  |  |  |  |
Principal amount of the convertible notes | $ 1,000 |  |  |  |  |  |  |  |
Implementation of ASU 2020-06 [Member] |  |  |  |  |  |  |  |  |
Convertible Senior Notes [Line Items] |  |  |  |  |  |  |  |  |
Reduction of unamortized discount upon implementation of ASU 2020-06 |  | $ 4,207 |  |  |  |  |  |  |
Increase in unamortized issuance costs upon implementation of ASU 2020-06 |  | $ 119 |  |  |  |  |  |  |
Accounts Payable and Accrued Liabilities [Member] |  |  |  |  |  |  |  |  |
Convertible Senior Notes [Line Items] |  |  |  |  |  |  |  |  |
Interest payable |  |  |  |  | 2,209 |  |  |  | $ 342
Convertible Senior Notes Due Two Thousand And Twenty Three [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |  |  |  |  |  |
Convertible Senior Notes [Line Items] |  |  |  |  |  |  |  |  |
Fair value of debt component of convertible senior notes |  |  |  |  | 214,972 |  |  |  |
Convertible Senior Notes Due Two Thousand And Twenty Three [Member] | Private Placement [Member] |  |  |  |  |  |  |  |  |
Convertible Senior Notes [Line Items] |  |  |  |  |  |  |  |  |
Convertible senior notes face value |  |  | $ 25,000 | $ 150,000 |  |  |  |  |
Convertible senior notes stated rate of interest |  |  | 4.25% | 4.25% |  |  |  |  |
Covertible senior notes year of maturity |  |  | 2023 | 2023 |  |  |  |  |
Convertible senior notes maturity date |  |  | Jun. 15, 2023 | Jun. 15, 2023 |  |  |  |  |
Redemption provisions - Convertible notes redemption price as a percentage of principal amount accrued interest and unpaid interest |  |  | 100.00% | 100.00% |  |  |  |  |
Debt instrument percentage of principal amount due to lenders entitled to declare repurchase |  |  | 25.00% | 25.00% |  |  |  |  |
Share price as a percentage of last reported price and conversion rate |  |  | 98.00% | 98.00% |  |  |  |  |
Convertible Senior Notes Due Two Thousand And Twenty Three [Member] | Private Placement [Member] | Conversion Price [Member] |  |  |  |  |  |  |  |  |
Convertible Senior Notes [Line Items] |  |  |  |  |  |  |  |  |
Convertible debt instrument conversion price | $ / shares |  |  | $ 5.92 | $ 5.92 |  |  |  |  |
Convertible debt instrument terms of conversion |  |  | Convertible at an initial conversion rate of 168.9189 shares of the Company’s common stock, per $1,000 principal amount of notes | Convertible at an initial conversion rate of 168.9189 shares of the Company’s common stock, per $1,000 principal amount of notes |  |  |  |  |
Debt instrument conversion ratio |  |  | 168.9189 | 168.9189 |  |  |  |  |
Convertible Senior Notes Due Two Thousand And Twenty Three [Member] | Private Placement [Member] | Redemption Provisions [Member] |  |  |  |  |  |  |  |  |
Convertible Senior Notes [Line Items] |  |  |  |  |  |  |  |  |
Redemption provisions - Convertible notes |  |  | Redemption price of $7.70: The Company may redeem for cash all or any portion of the notes, at its option, on or after June 20, 2021 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, 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 notes to be redeemed, plus accrued and unpaid interest to, but excluding the redemption date. No sinking fund is provided for the Convertible Notes. | Redemption price of $7.70: The Company may redeem for cash all or any portion of the notes, at its option, on or after June 20, 2021 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, 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 notes to be redeemed, plus accrued and unpaid interest to, but excluding the redemption date. No sinking fund is provided for the Convertible Notes. |  |  |  |  |
Convertible Senior Notes Due Two Thousand And Twenty Three [Member] | Private Placement [Member] | Conversion Rate Increase [Member] |  |  |  |  |  |  |  |  |
Convertible Senior Notes [Line Items] |  |  |  |  |  |  |  |  |
Maximum Conversion Rate |  |  | 270.2702 | 270.2702 |  |  |  |  |
Maximum number of shares issuable upon conversion | Day |  |  | 47,297,285 | 47,297,285 |  |  |  |  |
Convertible Senior Notes Due Two Thousand And Twenty Three [Member] | Private Placement [Member] | Scenario, Forecast [Member] |  |  |  |  |  |  |  |  |
Convertible Senior Notes [Line Items] |  |  |  |  |  |  |  |  |
Redemption provisions - Convertible notes, threshold trading days | Day |  |  |  |  |  |  | 20 | 20 |
Redemption provisions - Convertible notes, threshold consecutive trading days | Day |  |  |  |  |  |  | 30 | 30 |
Number Of Threshold Trading Days For Determining The Share Price |  |  |  |  |  |  |  | 5 days |
Measurement period for determining share price |  |  |  |  |  |  |  | 10 days |
Convertible Debt [Member] |  |  |  |  |  |  |  |  |
Convertible Senior Notes [Line Items] |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  | 2,296 |  |  |  |
If-Converted Value of Convertible Notes |  |  |  |  | $ 184,755 |  |  |  |
Former Credit Facility [Member] |  |  |  |  |  |  |  |  |
Convertible Senior Notes [Line Items] |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  | $ 2,419 |  |  |
US National Bank Association [Member] | Convertible Senior Notes Due Two Thousand And Twenty Three [Member] | Private Placement [Member] | Redemption Provisions [Member] |  |  |  |  |  |  |  |  |
Convertible Senior Notes [Line Items] |  |  |  |  |  |  |  |  |
Redemption provisions - Convertible notes redemption price as a percentage of principal amount accrued interest and unpaid interest |  |  |  | 100.00% |  |  |  |  |

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