Quarterly report pursuant to Section 13 or 15(d)

Internally Developed Software, Net (Details)

v3.7.0.1
Internally Developed Software, Net (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Internally developed software $ 39,369   $ 39,369   $ 33,718
Less accumulated amortization (21,258)   (21,258)   (18,858)
Internally developed software, net 18,111   18,111   $ 14,860
Amortization expense $ 1,241 $ 857 $ 2,400 $ 1,652  
Internally developed software          
Estimated Useful Life     5 years