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v3.22.1

Convertible Notes - Additional Information (Detail) $ / shares in Units, $ in Thousands | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
May 31, 2021 USD ($) | Mar. 31, 2022 USD ($) d $ / shares shares | Mar. 31, 2021 USD ($)
Debt Instrument [Line Items] |  |  |
Fair value of the convertible notes |  | $ 303,100 |
2.50% Convertible Senior Notes Due 2026 |  |  |
Debt Instrument [Line Items] |  |  |
Aggregate principal amount | $ 200,000 | $ 225,500 | $ 158,800
Debt interest rate | 2.50% | 2.50% |
Debt issuance and offering costs | $ 5,700 | $ 4,700 |
Proceeds from issuance of Convertible Notes, net | 219,800 |  |
Debt instrument, interest rate terms |  | The Convertible Notes are general unsecured obligations and accrue interest at a rate of 2.50% per annum payable semiannually in arrears on May 15 and November 15 of each year. |
Debt maturity date |  | May 15, 2026 |
Initial conversion rate |  | 95.5338 |
Debt conversion, original debt, principal amount converted |  | $ 1,000 |
Debt instrument, conversion price per share | $ / shares |  | $ 10.47 |
Debt instrument, convertible, threshold trading days | d |  | 20 |
Debt instrument, convertible, threshold consecutive trading days | d |  | 30 |
Debt instrument, convertible, threshold percentage of stock price trigger |  | 130.00% |
Debt Instrument, redemption, description |  | We may redeem for cash all or any portion of the Convertible Notes (subject to the partial redemption limitation described in the indenture governing the Convertible Notes), at our option, on or after May 20, 2024 and prior to the 31st scheduled trading day immediately preceding the maturity date, if the last reported sale price of our common stock has been at least 130% of the conversion price then in effect for at least 20 trading days (whether or not consecutive) during any 30 consecutive trading day period (including the last trading day of such period) ending on the trading day immediately preceding the date on which we provide notice of redemption, at a redemption price equal to 100% of the principal amount of the Convertible Notes to be redeemed, plus accrued and unpaid interest to, but excluding, the redemption date |
Debt instrument, redemption earliest date |  | May 20, 2024 |
Percentage of principal redeemed |  | 100.00% |
Debt instrument interest rate, effective percentage |  | 3.10% |
2.50% Convertible Senior Notes Due 2026 | Debt Instrument, Conversion, Period One |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, convertible, threshold trading days | d |  | 20 |
Debt instrument, convertible, threshold consecutive trading days | d |  | 30 |
2.50% Convertible Senior Notes Due 2026 | Debt Instrument, Conversion, Period One | Maximum |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, convertible, threshold percentage of stock price trigger |  | 130.00% |
2.50% Convertible Senior Notes Due 2026 | Debt Instrument, Conversion, Period Two |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, convertible, threshold trading days | d |  | 5 |
Debt instrument, convertible, threshold consecutive trading days | d |  | 10 |
2.50% Convertible Senior Notes Due 2026 | Debt Instrument, Conversion, Period Two | Maximum |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, convertible, threshold percentage of stock price trigger |  | 98.00% |
Optional Notes |  |  |
Debt Instrument [Line Items] |  |  |
Additional issue amount | 25,500 |  |
Loan Agreement |  |  |
Debt Instrument [Line Items] |  |  |
Repayments of debt | 190,200 |  |
Capped Calls |  |  |
Debt Instrument [Line Items] |  |  |
Net Proceeds to Pay the Costs | $ 27,200 | $ 27,200 |
Number of shares converted | shares |  | 21,542,871 |
Initial strike price | $ / shares |  | $ 10.47 |
Initial cap price | $ / shares |  | $ 15.80 |
Reduction to additional paid-in capital, capped calls cost |  | $ 27,200 |

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