XML 108 R94.htm IDEA: XBRL DOCUMENT v3.3.1.900
Business Acquisitions Business Acquisitions (Details textual)
$ in Thousands
12 Months Ended
Dec. 31, 2015
USD ($)
Business Acquisition [Line Items]  
Goodwill, Acquired During Period $ 57,992
Finite-lived intangible asset 5,800
DVTEL [Member]  
Business Acquisition [Line Items]  
Goodwill, Acquired During Period 57,992
Purchase price 97,492
Net tangible assets 5,160
Finite-lived intangible asset $ 27,380