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Earnings Per Share- Basic and diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Numerator:
Net earnings	$ 4,864	$ 4,495	$ 12,309	$ 8,548
Denominator:
Basic weighted average shares outstanding	9,440	9,549	9,461	9,572
Effect of dilutive securities:
Employee share-based awards	102	115	164	83
Diluted weighted average shares outstanding	9,542	9,664	9,625	9,655
Basic earnings per share	$ 0.51	$ 0.47	$ 1.30	$ 0.89
Diluted earnings per share	$ 0.50	$ 0.47	$ 1.28	$ 0.89

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