FAIR VALUE ACCOUNTING (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
Assets:
Pension assets	$ 1,721		$ 1,733
Totals	1,721		1,733
Liabilities:
Derivative liabilities	1,008	$ 1,489	1,065
Totals	1,008		1,065
Fair Value, Inputs, Level 1 [Member]
Assets:
Pension assets	0		0
Totals	0		0
Liabilities:
Derivative liabilities	0		0
Totals	0		0
Fair Value, Inputs, Level 2 [Member]
Assets:
Pension assets	0		0
Totals	0		0
Liabilities:
Derivative liabilities	0		0
Totals	0		0
Fair Value, Inputs, Level 3 [Member]
Assets:
Pension assets	1,721		1,733
Totals	1,721		1,733
Liabilities:
Derivative liabilities	1,008		1,065
Totals	$ 1,008		$ 1,065