PENSION, PROFIT SHARING, AND OTHER EMPLOYEE BENEFIT PLANS (Net Periodic Benefit Cost) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Pension, Profit Sharing, and Other Employee Benefit Plans [Abstract]
Interest cost on projected benefit obligation	$ 1,640	$ 1,657	$ 1,629
Expected return on plan assets	(1,985)	(1,614)	(1,622)
Recognized net actuarial loss	1,181	1,164	1,032
Net periodic benefit cost	$ 836	$ 1,207	$ 1,039