STOCKHOLDERS EQUITY (Additional Information) (Detail) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Stockholders Equity Note [Line Items]
Common Stock, Shares Authorized	50,000,000		50,000,000
Common Stock, Par or Stated Value Per Share	$ 1		$ 1
Treasury Stock, Shares, Retired		512,459
Treasury Stock Retired Cost Method Amount		$ 13,273
Repurchase Program
Stockholders Equity Note [Line Items]
tock Repurchase Program Expiration Date	Aug. 31, 2017
Common Stock | Repurchase Program
Stockholders Equity Note [Line Items]
Stock Repurchased During Period, Shares	736,139