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Acquisitions (Details) - USD ($)
$ in Thousands
Jul. 03, 2014
Jun. 30, 2015
Mar. 31, 2015
Business Acquisition [Line Items]      
Goodwill   $ 19,622 $ 19,622
Dining Ventures, Inc. [Member]      
Business Acquisition [Line Items]      
Goodwill $ 2,464    
Developed technology 1,286    
Total assets acquired $ 3,750    
Acquired finite-lived intangible assets, weighted average useful life 5 years