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Convertible Notes - Additional Information (Detail) |  | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Mar. 13, 2025 USD ($) d $ / shares | May 31, 2021 USD ($) d $ / shares shares | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) shares | Sep. 30, 2024 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |
Proceeds from issuance of Convertible Notes (Note 7) |  |  |  |  | $ 39,708,000 | $ 0
Proceeds from unwind of capped call options (Note 7) |  |  |  |  | 46,554,000 | 0
Payments for repurchase of common stock (Note 11) | $ 8,000,000.0 |  |  |  | 101,207,000 | 0
Share repurchase price (in USD per share) | $ / shares | $ 14.01 |  |  |  |  |
Loss on debt extinguishment |  |  | $ 0 | $ 0 | 82,095,000 | $ 0
Debt instrument, convertible, threshold trading days | d |  | 20 |  |  |  |
Convertible Debt |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Aggregate Principal Amount Outstanding (in millions) |  |  | 265,200,000 |  | 265,200,000 |
2026 Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Stated Interest Rate | 2.50% | 2.50% |  |  |  |
Aggregate Principal Amount Issued (in millions) |  | $ 225,500,000 | 40,200,000 |  | 40,200,000 |
Debt conversion, original debt, amount | $ 185,300,000 |  |  |  |  |
Proceeds from issuance of Convertible Notes (Note 7) |  | $ 219,800,000 |  |  |  |
Aggregate Principal Amount Outstanding (in millions) |  |  | 40,200,000 |  | 40,200,000 |
Debt issuance and offering costs |  |  | 100,000 |  | 100,000 |
Long-term debt, net of debt discount |  |  | 100,000 |  | 100,000 |
Long-term debt, current maturities |  |  | 40,200,000 |  | 40,200,000 |
Initial conversion rate |  | 0.0955338 |  |  |  |
Debt instrument, conversion price per share (in USD per share) | $ / shares |  | $ 10.47 |  |  |  |
Debt conversion, original debt, principal amount converted |  | $ 1,000 |  |  |  |
Redemption price, percentage |  | 100.00% |  |  |  |
Convertible debt, fair value disclosures |  |  | $ 45,500,000 |  | $ 45,500,000 |
Debt instrument interest rate, effective percentage |  |  | 3.10% |  | 3.10% |
2026 Notes | Debt Instrument, Conversion, Period One |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, convertible, threshold consecutive trading days | d |  | 30 |  |  |  |
2026 Notes | Debt Instrument, Conversion, Period One | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, convertible, threshold percentage of stock price trigger |  | 130.00% |  |  |  |
2026 Notes | 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 |  |  |  |
2026 Notes | Debt Instrument, Conversion, Period Two | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, convertible, threshold percentage of stock price trigger |  | 98.00% |  |  |  |
2030 Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Stated Interest Rate | 2.00% |  |  |  |  |
Aggregate Principal Amount Issued (in millions) | $ 225,000,000.0 |  |  |  |  |
Proceeds from issuance of Convertible Notes (Note 7) | 220,500,000 |  |  |  |  |
Aggregate Principal Amount Outstanding (in millions) |  |  | $ 225,000,000.0 |  | $ 225,000,000.0 |
Proceeds from unwind of capped call options (Note 7) | $ 46,600,000 |  |  |  |  |
Initial conversion rate | 0.0549058 |  |  |  |  |
Debt instrument, conversion price per share (in USD per share) | $ / shares | $ 18.21 |  |  |  |  |
2030 Notes | Convertible Debt |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Stated Interest Rate | 2.00% |  |  |  |  |
Aggregate Principal Amount Issued (in millions) | $ 225,000,000.0 |  | 225,000,000.0 |  | 225,000,000.0 |
Proceeds from issuance of Convertible Notes (Note 7) | 39,700,000 |  |  |  |  |
Aggregate Principal Amount Outstanding (in millions) |  |  | 225,000,000.0 |  | 225,000,000.0 |
Debt issuance and offering costs | $ 4,500,000 |  | 4,000,000.0 |  | 4,000,000.0 |
Debt instrument, conversion price per share (in USD per share) | $ / shares | $ 18.21 |  |  |  |  |
Redemption price, percentage | 100.00% |  |  |  |  |
Convertible debt, fair value disclosures |  |  | $ 209,200,000 |  | $ 209,200,000 |
Debt instrument interest rate, effective percentage |  |  | 2.40% |  | 2.40% |
2030 Notes | Convertible Debt | 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 |  |  |  |  |
Debt instrument, convertible, threshold percentage of stock price trigger | 130.00% |  |  |  |  |
2030 Notes | Convertible Debt | 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 |  |  |  |  |
Debt instrument, convertible, threshold percentage of stock price trigger | 98.00% |  |  |  |  |
Debt conversion, original debt, principal amount converted | $ 1,000 |  |  |  |  |
Capped Calls |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Proceeds from unwind of capped call options (Note 7) | $ 46,600,000 |  |  |  |  |
Net proceeds to pay the costs |  | $ 27,200,000 |  |  |  |
Number of shares converted (in shares) | shares |  | 21,542,871 |  |  |  |
Initial strike price (in USD per share) | $ / shares |  | $ 10.47 |  |  |  |
Initial cap price (in USD per share) | $ / shares |  | $ 15.80 |  |  |  |
Capped call shares outstanding (in shares) | shares |  |  |  |  | 3,841,222 |

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