FAIR VALUE MEASUREMENTS (Tables)

9 Months Ended

Sep. 30, 2018

FAIR VALUE MEASUREMENTS [Abstract]

Fair Value Measurement on Recurring Basis

	Level 1 Fair Value
	September 30	December 31	September 30
in thousands	2018	2017	2017
Fair Value Recurring
Rabbi Trust
Mutual funds	$       21,504	$       20,348	$         7,431
Equities	0	0	12,825
Total	$       21,504	$       20,348	$       20,256

	Level 2 Fair Value
	September 30	December 31	September 30
in thousands	2018	2017	2017
Fair Value Recurring
Rabbi Trust
Money market mutual fund	$        1,332	$        1,203	$           386
Total	$        1,332	$        1,203	$           386