PENSION, PROFIT SHARING, AND OTHER EMPLOYEE BENEFIT PLANS (Plan's funded status) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Projected obligation at January 1	$ 39,416	$ 42,629
Interest cost	1,657	1,629	$ 1,600
Actuarial loss (gain)	251	(212)
Benefit payments	(1,248)	(1,971)
Increase (decrease) related to discount rate change	707	(2,659)
Projected obligation at December 31	40,783	39,416	42,629
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at January 1	30,683	33,200
Actual return on plan assets	755	(546)
Contribution	5,830	0
Benefit payments	(1,248)	(1,971)
Fair value of plan assets at December 31	36,020	30,683	33,200
Funded status at December 31	(4,763)	(8,733)
Accumulated benefit obligation at December 31	40,783	39,416
Unrecognized net actuarial loss	13,689	13,038	14,774
Net periodic pension cost not yet recognized	$ 13,689	$ 13,038	$ 14,774