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Earnings per Share - Computation of Diluted EPS (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share [Abstract]
Net income	$ 8,712	$ 12,221	$ 9,861
Diluted weighted-average shares outstanding	12,077	12,007	11,950
Diluted EPS	$ 0.72	$ 1.02	$ 0.83

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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