ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
AOCI rollforward
Balance	$ (20,708)	$ (17,706)
Change during the period:
Before-tax amount	116	136
Reclassification adjustment, net of taxes:
Amortization of net loss	195	153
Total activity for the period	311	289
Balance	(20,397)	(17,417)
Pension Adjustment
AOCI rollforward
Balance	(18,071)	(15,181)
Reclassification adjustment, net of taxes:
Amortization of net loss	195	153
Total activity for the period	195	153
Balance	(17,876)	(15,028)
Foreign Currency Translation
AOCI rollforward
Balance	(2,637)	(2,525)
Change during the period:
Before-tax amount	116	136
Reclassification adjustment, net of taxes:
Total activity for the period	116	136
Balance	$ (2,521)	$ (2,389)