PENSION, PROFIT SHARING, AND OTHER EMPLOYEE BENEFIT PLANS (Components of Net Unrecognized Benefits Costs (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]
Included in accumulated other comprehensive income (loss), Beginning Balance	$ 13,689	$ 13,038	$ 14,774
Additions/(Reductions) during the year	(3,016)	1,108	1,955
Reclassifications due to recognition as net periodic pension cost	(1,181)	(1,164)	(1,032)
Increase (decrease) related to change in discount rate assumption	2,995	707	(2,659)
Included in accumulated other comprehensive income (loss), Ending Balance	12,487	$ 13,689	$ 13,038
Applicable tax effect	(4,943)
Included in accumulated other comprehensive income (loss), net of tax effect	7,544
Amount expected to be recognized as part of net periodic pension cost in the next fiscal year	$ 679