Annual report pursuant to Section 13 and 15(d)

Comprehensive Income (Loss) (Details)

v3.6.0.2
Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Stockholders' equity attributable to parent $ 384,763 $ 326,452 $ 328,780 $ 314,504
Foreign Currency        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Stockholders' equity attributable to parent (589) (546) (209) (162)
Other comprehensive loss, net   (337) (47)  
Other comprehensive income, net (43)      
Reclassifications into earnings 0      
Income tax provision 0      
Swap Agreements        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Stockholders' equity attributable to parent 536 0 0 0
Other comprehensive loss, net   0 0  
Other comprehensive income, net 720      
Reclassifications into earnings 226      
Income tax provision (410)      
Accumulated Other Comprehensive Loss        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Stockholders' equity attributable to parent (53) (546) (209) $ (162)
Other comprehensive loss, net   $ (337) $ (47)  
Other comprehensive income, net 677      
Reclassifications into earnings 226      
Income tax provision $ (410)