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
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Internally developed software $ 50,941   $ 46,342
Less accumulated amortization (25,861)   (24,168)
Internally developed software, net 25,080   $ 22,174
Amortization expense $ 1,693 $ 1,159  
Internally developed software      
Estimated Useful Life 5 years