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Business Combinations - Additional Information (Details) - USD ($)
$ in Thousands
9 Months Ended
Aug. 16, 2017
Apr. 14, 2017
Dec. 31, 2017
Entrada [Member]      
Business Acquisition [Line Items]      
Business acquisition, effective date of acquisition     Apr. 14, 2017
Business acquisition, date of acquisition agreement     Apr. 11, 2017
Total preliminary purchase price   $ 33,958  
Finite-lived Intangible Assets Acquired   $ 15,400  
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life   6 years 1 month 7 days  
Entrada [Member] | Customer Relationships      
Business Acquisition [Line Items]      
Finite-Lived Intangible Asset, Useful Life   10 years  
Entrada [Member] | Trade Names      
Business Acquisition [Line Items]      
Finite-Lived Intangible Asset, Useful Life   5 years  
Entrada [Member] | Computer Software, Intangible Asset      
Business Acquisition [Line Items]      
Finite-Lived Intangible Asset, Useful Life   5 years  
EagleDream Health [Member]      
Business Acquisition [Line Items]      
Business acquisition, effective date of acquisition     Aug. 16, 2017
Business acquisition, date of acquisition agreement     Jul. 31, 2017
Total preliminary purchase price $ 25,609    
Finite-lived Intangible Assets Acquired $ 13,400    
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 5 years 1 month 7 days    
EagleDream Health [Member] | Customer Relationships      
Business Acquisition [Line Items]      
Finite-Lived Intangible Asset, Useful Life 8 years    
EagleDream Health [Member] | Computer Software, Intangible Asset      
Business Acquisition [Line Items]      
Finite-Lived Intangible Asset, Useful Life 5 years