v3.25.4

Common Stock and Stock Compensation - Summary of Information Regarding Outstanding SARs (Detail) - Stock Appreciation Rights (SARs) - $ / shares	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted Shares Outstanding, Beginning balance	1,021,557	1,056,805
Forfeited	(17,950)	(35,248)
Restricted Shares Outstanding, Ending balance	1,003,607	1,021,557
Exercisable at end of year	1,003,607	1,021,557
Weighted-Average Grant Date Fair Value of Restricted Stock, Beginning Balance	$ 28.36	$ 28.37
Forfeited	28.24	28.64
Weighted-Average Grant Date Fair Value of Restricted Stock, Ending Balance	28.36	28.36
Average Exercise Price, Exercisable at end of year	$ 28.36	$ 28.36

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