PENSION, PROFIT SHARING, AND OTHER EMPLOYEE BENEFIT PLANS (Component of Net Periodic Benefit) (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]
Net actuarial loss	$ 12,487	$ 13,689	$ (13,038)
Net periodic pension cost not yet recognized	$ 12,487	$ 13,689	$ (13,038)