PENSION, PROFIT SHARING, AND OTHER EMPLOYEE BENEFIT PLANS (Plan's funded status) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Projected obligation at January 1	$ 40,152	$ 43,441
Interest cost	1,609	1,540	$ 1,640
Actuarial loss (gain)	371	(593)
Benefit payments	(1,695)	(1,188)
Increase (decrease) related to discount rate change	5,060	(3,048)
Projected obligation at December 31	45,497	40,152	43,441
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at January 1	37,772	41,246
Actual return on plan assets	7,195	(2,646)
Contribution	185	360
Benefit payments	(1,695)	(1,188)
Fair value of plan assets at December 31	43,457	37,772	41,246
Funded status at December 31	(2,040)	(2,380)
Accumulated benefit obligation at December 31	45,497	40,152
Unrecognized net actuarial loss	11,177	12,352	(12,487)
Net periodic pension cost not yet recognized	$ 11,177	$ 12,352	$ (12,487)