Quarterly report pursuant to Section 13 or 15(d)

Acquisitions - 2014 Acquisitions (Details)

v3.3.0.814
Acquisitions - 2014 Acquisitions (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Jun. 30, 2014
May. 31, 2014
Mar. 31, 2014
Jan. 31, 2014
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Business Acquisition [Line Items]                  
Gain (loss) recognized due to change in fair value of cash consideration           $ 300,000 $ (3,018,000) $ 564,000  
InstaManager                  
Business Acquisition [Line Items]                  
Total purchase price       $ 9,200,000          
Cash portion of purchase price       6,000,000          
Deferred cash payment amount related to acquisition       $ 1,000,000          
Length of time for acquisition deferred cash payment to be made       2 years          
Additional future cash payment related to acquisition       $ 7,000,000          
Fair value of deferred cash payment       800,000          
Aggregate contingent cash obligations       2,400,000          
Direct acquisition costs       $ 100,000          
Deferred cash obligation discount                 $ 100,000
InstaManager | Developed product technologies                  
Business Acquisition [Line Items]                  
Amortized useful life of acquired intangible assets       3 years          
VMM                  
Business Acquisition [Line Items]                  
Total purchase price     $ 1,200,000            
Cash portion of purchase price     1,000,000            
Deferred cash payment amount related to acquisition     $ 200,000            
Length of time for acquisition deferred cash payment to be made     2 years            
Additional future cash payment related to acquisition     $ 2,000,000            
Fair value of deferred cash payment     200,000            
Aggregate contingent cash obligations     100,000            
Direct acquisition costs     $ 100,000            
VMM | Developed product technologies                  
Business Acquisition [Line Items]                  
Amortized useful life of acquired intangible assets     3 years            
VMM | Customer relationships                  
Business Acquisition [Line Items]                  
Amortized useful life of acquired intangible assets     10 years            
Notivus                  
Business Acquisition [Line Items]                  
Total purchase price   $ 4,400,000              
Cash portion of purchase price   3,600,000              
Deferred cash payment amount related to acquisition   $ 800,000              
Length of time for acquisition deferred cash payment to be made   2 years              
Fair value of deferred cash payment   $ 800,000              
Direct acquisition costs   $ 100,000              
Total deferred cash obligation                 800,000
Deferred cash obligation discount                 100,000
Notivus | Developed product technologies                  
Business Acquisition [Line Items]                  
Amortized useful life of acquired intangible assets   3 years              
Kigo                  
Business Acquisition [Line Items]                  
Total purchase price $ 36,200,000                
Cash portion of purchase price 30,700,000                
Deferred cash payment amount related to acquisition 5,500,000                
Length of time for acquisition deferred cash payment to be made   2 years 6 months              
Direct acquisition costs $ 500,000                
Total deferred cash obligation                 5,400,000
Kigo | Developed product technologies                  
Business Acquisition [Line Items]                  
Amortized useful life of acquired intangible assets 3 years                
Kigo | Customer relationships                  
Business Acquisition [Line Items]                  
Amortized useful life of acquired intangible assets 10 years                
Kigo | LIBOR                  
Business Acquisition [Line Items]                  
Variable basis spread 1.00%                
2014 Acquisitions                  
Business Acquisition [Line Items]                  
Aggregate contingent cash obligations         $ 100,000   100,000   2,300,000
Aggregate deferred cash obligations         6,400,000   6,400,000   7,400,000
Deferred cash obligation discount         100,000   100,000   $ 100,000
Deferred cash obligations paid         400,000 0 1,000,000 0  
Gain (loss) recognized due to change in fair value of cash consideration         2,800,000 1,800,000 (600,000) (700,000)  
Payments of contingent cash obligations         $ 400,000.0 $ 0 $ 400,000 $ 0