GOODWILL AND INTANGIBLE ASSETS (Amortization) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Future amortization for intangible assets and acquired software
2018	$ 4,978
2019	5,463
2020	4,471
2021	4,418
2022	4,385
Thereafter	18,916
Total amortization	42,631
Future amortization for intangible assets
2018	3,387
2019	4,482
2020	4,454
2021	4,412
2022	4,385
Thereafter	18,916
Net Value	40,036	$ 41,169
Future amortization for acquired software
2018	1,591
2019	981
2020	17
2021	6
Total amortization, Acquired software	$ 2,595