Indebtedness - Additional Information (Detail)		1 Months Ended	8 Months Ended
Sep. 30, 2025 USD ($) $ / shares	Sep. 30, 2025 USD ($) $ / shares	Dec. 31, 2025 USD ($)
Debt Instrument [Line Items]
Aggregate principal amount			$ 143,750,000
Interest expense attributable to note			1,400,000
Amortization of debt discounts			$ 200,000
Senior Unsecured Debt [Member] \| Notes Due on October 1, 2031 [Member]
Debt Instrument [Line Items]
Aggregate principal amount	$ 143,800,000	$ 143,800,000
Debt instrument, maturity date	Oct. 01, 2031
Debt instrument, interest rate	3.25%	3.25%
Debt instrument periodic payment description			payable semi-annually in arrears on April 1 and October 1 of each year, beginning on April 1, 2026.
Proceeds from issuance of debt		$ 139,100,000
Debt instrument discount and offering expenses	$ 4,700,000	$ 4,700,000
Effective interest rate	3.85%	3.85%
Notes conversion ratio per $1,000 principal amount		0.0594919
Notes initial conversion price \| $ / shares	$ 16.81	$ 16.81
Senior Unsecured Debt [Member] \| Common Stock [Member] \| Notes Due on October 1, 2031 [Member]
Debt Instrument [Line Items]
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