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Acquisitions (Tables) (Unity)
12 Months Ended
Dec. 31, 2014
Unity
 
Business Acquisition [Line Items]  
Purchase price allocated from business combination
The purchase price from the business combination was allocated as follows:
 
Total
 
(in thousands)
Cash
$
182

Property and equipment
51

Other tangible assets
36

Identified intangible assets
19,280

Goodwill
15,451

Total
$
35,000