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Acquisitions Pro Forma Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Business Combinations [Abstract]    
Total revenue $ 84,459 $ 74,617
Net Sales Pro Forma 84,459 81,438
Net Income Actual 1,236 857
Net income Pro Forma $ 1,236 $ 1,090