ACCUMULATED OTHER COMPREHENSIVE INCOME (AOCI) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance				$ 2,886				$ (3,070)	$ 2,886	$ (3,070)
Other comprehensive loss (income) before reclassifications									(9,918)	5,818
Amounts reclassified from AOCI									(257)	138
Net other comprehensive loss (income)									(10,175)	5,956
Ending balance	(7,289)				2,886				(7,289)	2,886	(3,070)
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Net gain (loss) on sale of securities available for sale									403	(217)	1,648
Income tax expense (benefit)	(866)	(1,557)	(816)	(483)	(1,231)	3,975	(1,340)	(690)	(3,722)	714	4,223
Net income (loss)	3,328	3,912	2,769	2,709	2,045	(9,161)	4,200	1,168	12,718	(1,748)	(78)
Reclassification Out Of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Net gain (loss) on sale of securities available for sale									403
Income tax expense (benefit)									(146)
Net income (loss)									257
Unrealized gains and Losses on available-for-sale securities [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance				10,553				11,873	10,553	11,873
Other comprehensive loss (income) before reclassifications									(14,391)	(1,458)
Amounts reclassified from AOCI									(257)	138
Net other comprehensive loss (income)									(14,648)	(1,320)
Ending balance	(4,095)				10,553				(4,095)	10,553
Pension and postretirement plan items [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance				(7,667)				(14,943)	(7,667)	(14,943)
Other comprehensive loss (income) before reclassifications									4,473	7,276
Amounts reclassified from AOCI									0	0
Net other comprehensive loss (income)									4,473	7,276
Ending balance	$ (3,194)				$ (7,667)				$ (3,194)	$ (7,667)