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Long-term Debt - Additional Information (Detail) |  |  | 1 Months Ended | 3 Months Ended | 4 Months Ended | 12 Months Ended |
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May 12, 2020 USD ($) | Sep. 16, 2019 USD ($) | Jul. 31, 2022 USD ($) shares | Jul. 31, 2021 USD ($) shares | Jun. 30, 2021 USD ($) shares | Jan. 31, 2021 USD ($) shares | Sep. 30, 2021 USD ($) | Mar. 31, 2021 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2023 USD ($) Days $ / shares | Dec. 31, 2022 USD ($) shares | Dec. 31, 2021 USD ($) shares | Dec. 31, 2020 USD ($) | Sep. 11, 2019 USD ($) CounterParty $ / shares
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount converted |  |  |  |  |  |  |  |  |  |  | $ 98,086,000 | $ 328,017,000 |  |
Loss on conversion of debt |  |  |  |  |  |  |  |  |  |  | 32,890,000 | 100,589,000 |  |
Forfeiture of accrued interest in exchange of convertible notes |  |  |  |  |  |  |  |  |  |  | 1,287,000 | 4,171,000 |  |
Debt interest expense |  |  |  |  |  |  |  |  |  |  | 5,707,000 | $ 12,050,000 | $ 3,583,000 |
Amortization of debt issuance costs |  |  |  |  |  |  |  |  |  | $ 297,000 | $ 459,000 |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  | $ 93,033,000 |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued | shares |  |  |  |  |  |  |  |  |  |  | 3,073,000 | 10,065,000 |  |
2019 Convertible Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Premium paid for capped call transactions |  |  |  |  |  |  |  |  |  |  |  | $ 28,400,000 |  |
2020 Convertible Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Premium paid for capped call transactions |  |  |  |  |  |  |  |  |  |  |  | $ 43,100,000 |  |
Capped Call Transactions [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of counterparties | CounterParty |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
Initial conversion price | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 39.4625
Initial cap price | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 63.14
Convertible Senior Notes Due 2026 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, stated percentage |  | 3.50% |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, due and payment description |  |  |  |  |  |  |  |  |  | The Convertible Notes are senior unsecured obligations of the Company and bear interest at a rate of 3.5% per year payable semiannually in arrears on March 15 and September 15 of each year, beginning on March 15, 2020. |  |  |  |
Debt instrument, frequency of periodic payment |  |  |  |  |  |  |  |  |  | semiannually |  |  |  |
Maturity date |  | Sep. 15, 2026 |  |  |  |  |  |  |  |  |  |  |  |
Threshold trading days | Days |  |  |  |  |  |  |  |  |  | 20 |  |  |  |
Threshold consecutive trading days | Days |  |  |  |  |  |  |  |  |  | 30 |  |  |  |
Threshold percentage of stock price trigger |  |  |  |  |  |  |  |  |  | 130.00% |  |  |  |
Redemption period, start date |  |  |  |  |  |  |  |  |  | Sep. 20, 2023 |  |  |  |
Redemption price, percentage |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |
Aggregate principal amount converted |  |  |  |  | $ 700,000 |  |  |  | $ 0 |  |  |  |  |
Aggregate principal amount converted into shares | shares |  |  |  |  | 18,775 |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  | 92,736,000 | $ 93,033,000 | $ 92,736,000 |  |  |
Convertible Senior Notes Due 2026 [Member] | Prior to March 15, 2026 Convertible [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold trading days | Days |  |  |  |  |  |  |  |  |  | 20 |  |  |  |
Threshold consecutive trading days | Days |  |  |  |  |  |  |  |  |  | 30 |  |  |  |
Threshold percentage of stock price trigger |  |  |  |  |  |  |  |  |  | 130.00% |  |  |  |
Trading price per principal amount |  |  |  |  |  |  |  |  |  | $ 1,000 |  |  |  |
Convertible Senior Notes Due 2026 [Member] | Prior to March 15, 2026 Convertible [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold percentage of stock price trigger |  |  |  |  |  |  |  |  |  | 98.00% |  |  |  |
Convertible Senior Notes Due 2026 [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Terms of conversion |  |  |  |  |  |  |  |  |  | The Convertible Notes are convertible into shares of the Company’s common stock at an initial conversion rate of 25.3405 shares per $1,000 principal amount of Convertible Notes (equivalent to an initial conversion price of approximately $39.4625 per share of common stock). |  |  |  |
Conversion ratio |  |  |  |  |  |  |  |  |  | 0.0253405 |  |  |  |
Conversion price | $ / shares |  |  |  |  |  |  |  |  |  | $ 39.4625 |  |  |  |
Convertible Senior Notes Due 2026 [Member] | 2019 Convertible Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from the sale of the notes |  | $ 212,900,000 |  |  |  |  |  |  |  |  |  |  |  |
Payment of convertible debt discounts and commissions |  | 6,600,000 |  |  |  |  |  |  |  |  |  |  |  |
Payment of convertible debt offering expenses |  | 500,000 |  |  |  |  |  |  |  |  |  |  |  |
Payments of transactions cost |  | 28,400,000 |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument effective interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.50%
Debt instrument convertible carrying amount of liability component |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 145,100,000
Debt discount |  |  |  |  |  |  |  |  |  |  |  |  |  | 74,900,000
Debt issuance costs |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,100,000
Convertible Senior Notes Due 2026 [Member] | 2019 Convertible Notes [Member] | Exchange Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion ratio |  |  |  | 0.0253405 |  | 0.0253405 |  |  |  |  |  |  |  |
Debt issuance costs |  |  |  | $ 4,100,000 |  | $ 3,300,000 |  |  |  |  |  |  |  |
Increase (decrease) in net debt |  |  |  | 197,000,000.0 |  | 122,800,000 |  |  |  |  |  |  |  |
Aggregate principal amount converted |  |  |  | $ 201,100,000 |  | $ 126,100,000 |  |  |  |  |  |  |  |
Increase in shares outstanding | shares |  |  |  | 5,992,217 |  | 3,906,869 |  |  |  |  |  |  |  |
Shares issued | shares |  |  |  | 5,097,166 |  | 3,196,172 |  |  |  |  |  |  |  |
Additional shares issued | shares |  |  |  | 895,051 |  | 710,697 |  |  |  |  |  |  |  |
Additional shares issued for settlement of debt issuance cost paid | shares |  |  |  | 78,419 |  | 69,491 |  |  |  |  |  |  |  |
Loss on conversion of debt |  |  |  |  |  |  | $ 61,100,000 | $ 39,500,000 |  |  |  |  |  |
Loss on conversion of debt related to additional shares issued |  |  |  |  |  |  | 55,900,000 | 36,400,000 |  |  |  |  |  |
Additional amount issued in payment of issuance costs |  |  |  |  |  |  | $ 5,200,000 | $ 3,100,000 |  |  |  |  |  |
Forfeiture of accrued interest in exchange of convertible notes |  |  |  |  |  | $ 1,700,000 |  |  |  |  |  |  |  |
Convertible Senior Notes Due 2026 [Member] | 2019 Convertible Notes [Member] | Common Stock [Member] | Exchange Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount converted into shares | shares |  |  |  |  |  | 3,906,869 |  |  |  |  |  |  |  |
Convertible Senior Notes Due 2026 [Member] | 2019 Convertible Notes [Member] | Liability Component [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt issuance costs |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,700,000
Convertible Senior Notes Due 2026 [Member] | 2019 Convertible Notes [Member] | Equity Component [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt issuance costs |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,400,000
Convertible Senior Notes Due 2026 [Member] | 2020 Convertible Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from the sale of the notes | $ 322,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Payment of convertible debt discounts and commissions | 5,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Payment of convertible debt offering expenses | 300,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Payments of transactions cost | $ 43,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument effective interest rate | 10.50% |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument convertible carrying amount of liability component | $ 204,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt discount | 95,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt issuance costs | 6,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible Senior Notes Due 2026 [Member] | 2020 Convertible Notes [Member] | Exchange Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion ratio |  |  | 0.0253405 |  |  |  |  |  |  |  |  |  |  |
Debt issuance costs |  |  | $ 1,300,000 |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) in net debt |  |  | 96,800,000 |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount converted |  |  | $ 98,100,000 |  |  |  |  |  |  |  |  |  |  |
Shares issued | shares |  |  | 2,485,548 |  |  |  |  |  |  |  |  |  |  |
Additional shares issued | shares |  |  | 541,470 |  |  |  |  |  |  |  |  |  |  |
Additional shares issued for settlement of debt issuance cost paid | shares |  |  | 46,132 |  |  |  |  |  |  |  |  |  |  |
Loss on conversion of debt |  |  | $ 32,900,000 |  |  |  |  |  |  |  |  |  |  |
Loss on conversion of debt related to additional shares issued |  |  | 30,400,000 |  |  |  |  |  |  |  |  |  |  |
Additional amount issued in payment of issuance costs |  |  | $ 2,500,000 |  |  |  |  |  |  |  |  |  |  |
Convertible notes held in treasury |  |  |  |  |  |  |  |  | $ 425,400,000 | $ 425,400,000 | $ 425,400,000 |  |  |
Convertible Senior Notes Due 2026 [Member] | 2020 Convertible Notes [Member] | Common Stock [Member] | Exchange Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount converted into shares | shares |  |  | 3,027,018 | 5,992,217 |  |  |  |  |  |  |  |  |  |
Convertible Senior Notes Due 2026 [Member] | 2020 Convertible Notes [Member] | Liability Component [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt issuance costs | 3,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible Senior Notes Due 2026 [Member] | 2020 Convertible Notes [Member] | Equity Component [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt issuance costs | 2,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible Senior Notes Due 2026 [Member] | 2019 and 2020 Convertible Notes [Member] | Exchange Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount converted |  |  |  | $ 201,100,000 |  |  |  |  |  |  |  |  |  |
Forfeiture of accrued interest in exchange of convertible notes |  |  |  | $ 2,500,000 |  |  |  |  |  |  |  |  |  |
Convertible Senior Notes Due 2026 [Member] | Convertible Senior Notes [Member] | Exchange Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in shares outstanding | shares |  |  | 3,027,018 |  |  |  |  |  |  |  |  |  |  |
Convertible Senior Notes Due 2026 [Member] | Private Offering [Member] | 2019 Convertible Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  | $ 220,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |
Convertible Senior Notes Due 2026 [Member] | Private Offering [Member] | 2020 Convertible Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount | $ 300,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |

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