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BUSINESS ACQUISITION (Tables)
3 Months Ended
Mar. 31, 2018
Business Combinations [Abstract]  
Unaudited pro forma revenue and net income from continuing operations of business acquisitions
 
Three Months Ended 
 March 31, 2017
 
(in thousands)
Pro forma revenue
$
136,578

Pro forma net income from continuing operations
$
7,800