Comprehensive Income (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Comprehensive Income
Net earnings		$ 5,607	$ 4,864	$ 12,257	$ 12,309
Foreign currency translation adjustments		61	262	(1,031)	(44)
Pension liability adjustment, net of tax of $26 and $35, respectively		73	84	146	183
Total comprehensive income		5,741	5,210	11,372	12,448
Pension liability, tax	[1]	$ 26	$ 30	$ 52	$ 65

[1] These amounts were included in the computation of pension expense. See Note 7 for additional details.