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Comprehensive Income (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Net earnings $ 1,303 $ 1,078 $ 3,418 $ 3,710
Foreign currency translation adjustments 533 (312) 1,220 961
Pension liability, net of tax of $56, $186, $102, and $327, respectively 88 290 161 511
Total comprehensive income $ 1,924 $ 1,056 $ 4,799 $ 5,182