XML 101 R87.htm IDEA: XBRL DOCUMENT v3.8.0.1
LONG TERM DEBT (Schedule of Interest Expense Recognized) (Details) (USD $) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Debt Disclosure [Abstract]    
Amortization of debt issuance costs $ 6,334 $ 338
Interest expense 5,558 1,266
Total interest expense recognized $ 11,892 $ 1,604
Effective interest rate 3.30% 2.84%