Earnings Per Share- Basic and diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Numerator:
Net earnings	$ 7,445	$ 4,053
Denominator:
Basic weighted average shares outstanding	9,483	9,596
Effect of dilutive securities:
Employee share-based awards	62	51
Diluted weighted average shares outstanding	9,545	9,647
Basic earnings per share	$ 0.79	$ 0.42
Diluted earnings per share	$ 0.78	$ 0.42