Quarterly report pursuant to Section 13 or 15(d)

Internally Developed Software, Net (Details)

v3.8.0.1
Internally Developed Software, Net (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Internally developed software $ 42,928   $ 42,928   $ 33,718
Less accumulated amortization (22,649)   (22,649)   (18,858)
Internally developed software, net 20,279   20,279   $ 14,860
Amortization expense $ 1,391 $ 917 $ 3,791 $ 2,569  
Internally developed software          
Estimated Useful Life     5 years