DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Schedule of Derivative Assets and Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Derivative Assets
Gross Amount	$ 3,948	$ 259
Net Amounts Presented in the Statement of Financial Position	3,948	259
Net Amount	3,948	259
Derivative Liabilities
Gross Amount	713	1,371
Net Amounts Presented in the Statement of Financial Position	713	1,371
Net Amount	$ 713	$ 1,371