DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Schedule of Derivative Assets and Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Derivative Assets
Gross Amount	$ 327	$ 1,612
Net Amounts Presented in the Statement of Financial Position	327	1,612
Net Amount	327	1,612
Derivative Liabilities
Gross Amount	12,472	2,881
Net Amounts Presented in the Statement of Financial Position	12,472	2,881
Net Amount	$ 12,472	$ 2,881