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Stock Based Compensation - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Apr. 27, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of option vesting rate			20.00%
Duration of options granted, years			10 years
Stock options outstanding, exercise price range, lower			$ 16.95
Stock options outstanding, exercise price range, upper			$ 48.91
Total unrecognized compensation cost related to nonvested share-based compensation arrangements granted under the Plan	$ 4,232,000		$ 4,232,000
Weighted-average period of unrecognized compensation cost recognition, years			1 year 3 months 29 days
Total fair value of shares vested			$ 521,000	$ 1,048,000
Stock compensation expense	485,000	$ 445,000	969,000	889,000
Dividends Payable	25,708,000	25,714,000	25,708,000	25,714,000	$ 25,712,000
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance measurement amount in assets	50,000,000,000		50,000,000,000
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance measurement amount in assets	$ 10,000,000,000		$ 10,000,000,000
Two Thousand Twenty One Omnibus Stock and Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of stock for issuance under the plan	1,614,517		1,614,517			2,500,000
2021 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of option vesting rate			20.00%
Other Liabilities [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividends Payable	$ 122,000	92,000	$ 122,000	92,000	$ 124,000
Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	OTHER LIABILITIES		OTHER LIABILITIES
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total fair value of shares vested			$ 1,418,000	510,000
Restricted Stock [Member] \| Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense	$ 175,000	167,000	$ 350,000	317,000
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares vesting period			2 years
Percentage of option vesting rate			20.00%
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of option vesting rate			33.30%
Performance Shares [Member] \| Executives And Other Officers [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares vesting period			3 years
Criteria period			3 years
Average adjusted earnings per share growth percentage			50.00%
Performance Shares [Member] \| Executives And Other Officers [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Issued Upon Vesting Based On Core Return Percentage			200.00%
Performance Shares [Member] \| Executives And Other Officers [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Issued Upon Vesting Based On Core Return Percentage			0.00%
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of option vesting rate			33.30%
Total unrecognized compensation cost related to nonvested share-based compensation arrangements granted under the Plan	2,478,000	2,689,000	$ 2,478,000	$ 2,689,000
Weighted-average period of unrecognized compensation cost recognition, years			1 year 21 days	1 year 29 days
Restricted Stock Units [Member] \| Employee [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense	$ 391,000	$ 420,000	$ 860,000	$ 779,000