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Capitalized Software Development Costs (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Capitalized Software Development Costs [Line Items]      
Capitalized Software Development Costs for Software Sold to Customers $ 5,700 $ 2,800  
Capitalized software development costs, net 11,742 8,499  
Amortization of capitalized software development costs $ 2,233 $ 2,175 $ 1,116
Property and Casualty Exchange [Member]      
Capitalized Software Development Costs [Line Items]      
Capitalized Computer Software, amortization period 5 years    
Minimum | Continuing Medical Education Products [Member]      
Capitalized Software Development Costs [Line Items]      
Capitalized Computer Software, amortization period 3 years    
Maximum | Continuing Medical Education Products [Member]      
Capitalized Software Development Costs [Line Items]      
Capitalized Computer Software, amortization period 5 years