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Acquisition and Disposition (Tables)
9 Months Ended
Sep. 30, 2017
Business Combinations [Abstract]  
Schedule of reconciliation of beginning and ending balances of contingent earnout consideration
In thousands
 
Fair Value
Balance at December 31, 2016
 
$
29,725

Accretion of interest
 
3,122

Balance at September 30, 2017
 
$
32,847