Stockholders' Equity - Summary of the Companys Change in the Common Stock (Detail) - shares	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Class of Stock [Line Items]
Outstanding shares of voting common stock at the beginning of year	37,646,374
Exercise of stock options	0	22,044	5,653
Outstanding shares of voting common stock at the end of year	35,776,886	37,646,374
Voting Common Stock [Member]
Class of Stock [Line Items]
Outstanding shares of voting common stock at the beginning of year	37,646,000	37,900,000	37,648,000
Exercise of stock options	0	16,000	6,000
Issuance of restricted stock and performance shares, net of cancellations	183,000	125,000	97,000
Shares withheld for withholding tax payments	(81,000)	(61,000)	(81,000)
Repurchases	(1,981,000)	(342,000)	0
Reissuance of treasury stock	10,000	8,000	5,000
Treasury stock used for acquisition	0	0	225,000
Outstanding shares of voting common stock at the end of year	35,777,000	37,646,000	37,900,000