Annual report pursuant to Section 13 and 15(d)

AMORTIZABLE INTANGIBLE ASSETS (Details Textual)

v3.8.0.1
AMORTIZABLE INTANGIBLE ASSETS (Details Textual) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]      
Amortization of Intangible Assets $ 4.6 $ 5.1 $ 5.3