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Contingent Consideration (Tables)
6 Months Ended
Jun. 30, 2014
Business Combinations [Abstract]  
Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table Text Block]
The following table summarizes the activity during 2014 related to the contingent payments as recorded in the Consolidated Condensed Statements of Earnings and Comprehensive Income (Unaudited) (dollars in thousands):
 
 
 
2014
 
Beginning balance, December 31, 2013
 
$
5,064
 
Interest expense
 
 
26
 
Ending balance, June 30, 2014
 
$
5,090