PENSION, PROFIT SHARING, AND OTHER EMPLOYEE BENEFIT PLANS (Net Periodic Benefit Cost) (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Pension, Profit Sharing, and Other Employee Benefit Plans [Abstract]
Interest cost on projected benefit obligation	$ 385	$ 410
Expected return on plan assets	(465)	(496)
Recognized net actuarial loss	250	295
Net periodic benefit cost	$ 170	$ 209