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Comprehensive Income - Comprehensive income (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Comprehensive Income        
Net earnings $ 4,495 $ 3,820 $ 8,548 $ 5,145
Foreign currency translation adjustments (1,235) 176 (714) 33
Pension liability, net of tax of $60, $65, $114, and $129, respectively 170 182 324 365
Total comprehensive income 3,430 4,178 8,158 5,543
Defined Benefit Plan, Tax Adjustment $ 60 $ 65 $ 114 $ 129