Amount of net periodic benefit cost (credit) for defined benefit plan.

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- Definition

Amount of cost for defined contribution plan.

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Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

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No definition available.

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The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Subsequent Events - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Feb. 10, 2022	Mar. 16, 2022	Dec. 31, 2021
Common Stock [Member]
Subsequent Event [Line Items]
Number of shares authorized for repurchase			78,433
Subsequent Event [Member] \| Supplemental Director Retirement Agreements [Member]
Subsequent Event [Line Items]
Previous final base fee, percentage	70.00%
Defined Contribution Plan, Cost	$ 20,000
Revised fixed annual retirement benefits, payable	$ 200,000
Subsequent Event [Member] \| Common Stock [Member]
Subsequent Event [Line Items]
Number of shares authorized for repurchase		20,583
Stock repurchased, average cost		$ 10.58