OTHER COMPREHENSIVE INCOME (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016		Dec. 31, 2015		Dec. 31, 2014
Unrealized gains on available-for- sale securities, before tax amount [Abstract]
Unrealized gains (losses) arising during holding period, before tax amount	$ (12,672)		$ (9,340)		$ 26,016
Reclassification adjustment for net (gains) realized in net income, before tax amount	(128)	[1]	(136)	[1]	(37)
Recognized employee benefit plan net	(1,967)	[2]	12,482	[2]	(48,187)
Other comprehensive income (loss), before tax amount	(14,767)		3,006		(22,208)
Unrealized gains on available-for- sale securities, tax (expense) benefit [Abstract]
Unrealized gains (losses) arising during holding period, tax (expense) benefit	4,854		3,577		(9,965)
Reclassification adjustment for net (gains) losses realized in net income, tax (expense) benefit	49	[1]	52	[1]	14
Change in pension funding status cost, tax (expense) benefit	752	[2]	(4,774)	[2]	18,432
Other comprehensive (loss) income, tax (expense) benefit	5,655		(1,145)		8,481
Unrealized gains on available-for- sale securities, net of tax amount [Abstract]
Unrealized gains (losses) arising during holding period, net of tax amount	(7,818)		(5,763)		16,051
Reclassification adjustment for net (gains) losses realized in net income, net of tax amount	(79)	[1]	(84)	[1]	(23)
Change in pension funding status cost, net of tax amount	(1,215)	[2]	7,708	[2]	(29,755)
Other comprehensive (loss) income	$ (9,112)		$ 1,861		$ (13,727)

[1] 2014BeforeTaxNetTax(Expense)of TaxAmountBenefitAmount(In thousands)Net unrealized gains on available-for-sale securities:Unrealized gains (losses) arising duringholding period$ 26,016$ (9,965)$ 16,051Reclassification adjustment for net (gains) lossesrealized in net income (1)(37)14(23)Recognized employee benefit plan netperiodic benefit cost (2)(48,187)18,432(29,755)Other comprehensive (loss) income$ (22,208)$ 8,481$ (13,727)Reclassification adjustments for net gains on available-for-sale securities are reported as security gains, net on the consolidated statement of income.

[2] Recognized employee benefit plan net periodic benefit cost include, recognized prior service cost and recognized net loss. For more information, see Footnote 14 - Pension, Other Post Retirement Benefit and Profit Sharing Plans.