Annual report pursuant to Section 13 and 15(d)

Revenue (Recognized Deferred) (Details)

v3.10.0.1
Revenue (Recognized Deferred) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Jan. 01, 2018
Deferred revenue        
Receivables, balance $ 68,004 $ 51,522    
Increase/(decrease), net 12,890 8,121 $ (1,646)  
Deferred revenue 23,988 21,246   $ 20,124
Deferred revenue, current, increase/(decrease), net 3,864      
Deferred revenue 6,910 $ 12,047   9,267
Deferred revenue non-current, increase/(decrease), net (2,357)      
Recognized deferred revenue 18,620      
Fees receivable, net        
Deferred revenue        
Receivables, balance 51,487     36,605
Increase/(decrease), net 14,882      
Unbilled receivables, balance 16,517     $ 13,229
Unbilled receivables, increase/(decrease), net $ 3,288