Annual report pursuant to Section 13 and 15(d)

COMPREHENSIVE INCOME (Details)

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COMPREHENSIVE INCOME (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Investment Securities Before Tax Amount [Abstract]      
Change in net unrealized gain (loss) before tax $ (1,252) $ (786) $ 600
Unrealized losses on securities transferred from available for sale to held to maturity before tax (523)      
Amortization of unrealized losses on securities transferred from available for sale to held to maturity before tax 25      
Reclassification adjustment for net gain included in net income 3      
Reclassification adjustment for impairment loss realized in net income 600      
Other comprehensive income (loss), before tax (1,147) (786) 600
Benefit Plans:      
Reclassification adjustment for amortization of prior service cost 504 548 643
Reclassification adjustment for amortization of net loss 4,079 3,021 1,810
Current year actuarial gain (loss) 30,784 (12,587) (15,763)
Total Benefit Plans 35,367 (9,018) (13,310)
Other comprehensive income (loss) 34,220 (9,804) (12,710)
Investment Securities Tax Expense (Benefit) [Abstract]      
Change in net unrealized gain (loss) tax expense (benefit) 483 295 (203)
Unrealized losses on securities transferred from available for sale to held to maturity tax expense (benefit) 202    
Amortization of unrealized losses on securities transferred from available for sale to held to maturity tax expense (benefit) (10)    
Reclassification adjustment for net gain included in net income (1)    
Reclassification adjustment for impairment loss realized in net income tax expense (benefit) (232)    
Other comprehensive income (loss), tax expense (benefit) 442 295 (203)
Benefit Plans:      
Reclassification adjustment for amortization of prior service cost (194) (211) (248)
Reclassification adjustment for amortization of net loss (1,574) (1,165) (698)
Current year actuarial gain (loss) (11,875) 4,855 6,081
Total Benefit Plans (13,643) 3,479 5,135
Other comprehensive income (loss) (13,201) 3,774 4,932
Investment Securities Net of Tax Amount [Abstract]      
Change in net unrealized gain (loss) Net of Tax amount (769) (491) 397
Unrealized losses on securities transferred from available for sale to held to maturity net of tax (321)    
Amortization of unrealized losses on securities transferred from available for sale to held to maturity net of tax 15    
Reclassification adjustment for net gain included in net income 2    
Reclassification adjustment for impairment loss realized in net income net of tax 368    
Total other comprehensive income (loss) Net of Tax (705) (491) 397
Benefit Plans:      
Reclassification adjustment for amortization of prior service cost 310 337 395
Reclassification adjustment for amortization of net loss 2,505 1,856 1,112
Current year actuarial gain (loss) 18,909 (7,732) (9,682)
Total Benefit Plans 21,724 (5,539) (8,175)
Other comprehensive income (loss) $ 21,019 $ (6,030) $ (7,778)