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Equity Plan Awards - Summary of Performance option activity (Detail) - Performance Based Stock Options - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Incentive Stock Option Plans, Beginning balance	81,808	114,658	114,658
Incentive Stock Option Plans, Option exercised	0	(32,850)
Incentive Stock Option Plans, Ending balance	81,808	81,808	114,658
Weighted Average Price Per Share, Beginning balance	$ 11.49	$ 11.49	$ 11.49
Weighted Average Price Per Share, Option exercised	11.49	11.49
Weighted Average Price Per Share, Ending balance	$ 11.49	$ 11.49	$ 11.49

X

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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