OTHER COMPREHENSIVE INCOME (LOSS) (Reclassification Adjustments Out of Accumulated Other Comprehensive Income) (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Unrealized gains/(losses) on investments available-for-sale Affected line item in the Statements of Income:
Investment securities gains		$ 0	$ 1	$ 1,919	$ 20
Income before taxes		0	1	1,919	20
Tax expense		0	0	765	8
Net income				1,154	12
Amortization of defined benefit pension plan items Affected line item in the Statements of Income:
Recognized actuarial loss	[1]	$ 295	$ 240	870	791
Income before taxes				870	791
Tax expense				339	323
Net income				$ 531	$ 468

[1] This amount is included in the computation of net periodic benefit cost, see Note 9.