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Supplemental Cash Flow Information (Tables)
 12 Months Ended
Dec. 31, 2015
Supplemental Cash Flow Elements [Abstract]  
Schedule of Cash Flow, Supplemental Disclosures
Supplemental cash flow information is as follows (in thousands):
 
 
Year Ended December 31,
 
 
2015
 
2014
 
2013
Cash paid for:
 
 
 
 
 
 
Interest
 
$
4,306

 
$
3,790

 
$
2,415

Income taxes
 
3,863

 
6,855

 
811

 
 
$
8,169

 
$
10,645

 
$
3,226

 
 
 
 
 
 
 
Noncash investing and financing activities:
 
 
 
 
 
 
Shares issued as payments for acquisitions
 
$
—

 
$
—

 
$
2,489

Shares issued as payment of contingent consideration
 
1,570

 
9,034

 
2,723

 
 
$
1,570

 
$
9,034

 
$
5,212