PENSION PLAN (Net Periodic Benefit Cost) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Retirement Benefits [Abstract]
Interest cost on projected benefit obligation	$ 318	$ 359	$ 636	$ 719
Expected return on plan assets	(312)	(456)	(624)	(912)
Recognized net actuarial loss	227	219	454	437
Net periodic benefit cost	$ 233	$ 122	$ 466	$ 244