Annual report pursuant to Section 13 and 15(d)

Internally Developed Software (Details)

v3.3.1.900
Internally Developed Software (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Internally Developed Software      
Estimated Useful Life 5 years    
Internally developed software $ 25,109 $ 19,577  
Less accumulated amortization (15,212) (12,554)  
Internally developed software, net 9,897 7,023  
Amortization expense $ 2,658 $ 1,920 $ 1,726