PENSION PLAN (Net Periodic Benefit Cost) (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Retirement Benefits [Abstract]
Interest cost on projected benefit obligation	$ 318	$ 359
Expected return on plan assets	(312)	(456)
Recognized net actuarial loss	227	219
Net periodic benefit cost	$ 233	$ 122