STOCKHOLDERS' EQUITY (Reclass) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Unrecognized Net Periodic Benefit Credit (cost)
Significant reclassifications out of accumulated other comprehensive loss by component
Total, pre-tax	$ 204	$ (2,323)
Tax benefit (expense)	(53)	598
Total, net of tax	151	(1,725)
Amortization of net actuarial gain (loss)
Significant reclassifications out of accumulated other comprehensive loss by component
Total, pre-tax	293	(706)
Amortization of prior service credit
Significant reclassifications out of accumulated other comprehensive loss by component
Total, pre-tax		17
Pension settlement expense
Significant reclassifications out of accumulated other comprehensive loss by component
Total, pre-tax	$ (89)	$ (1,634)