STOCKHOLDERS' EQUITY (Details 4) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 Net unrealized holding gain on AFS securities	Mar. 31, 2012 Net unrealized holding gain on AFS securities	Mar. 31, 2013 Net loss on effective cash flow hedging derivatives	Mar. 31, 2012 Net loss on effective cash flow hedging derivatives	Mar. 31, 2013 Net loss on terminated swap	Mar. 31, 2012 Net loss on terminated swap	Mar. 31, 2013 Net unrealized holding loss on pension plans	Dec. 31, 2012 Net unrealized holding loss on pension plans
Accumulated other comprehensive income
Balance at the beginning of the period	$ (5,680,000)		$ 10,719,000		$ (10,955,000)		$ (4,179,000)		$ (1,265,000)	$ (1,265,000)
Reclassification from accumulated other comprehensive income, before tax
Other Comprehensive Loss Before reclassifications	(1,037,000)		(732,000)	(1,333,000)	(305,000)	697,000
Amounts Reclassified from Accumulated other comprehensive income	1,374,000			(41,000)	1,138,000	982,000	236,000	235,000
Other Comprehensive income	2,411,000	1,812,000	732,000	1,292,000	1,443,000	285,000	236,000	235,000
Balance at the end of the period	$ (3,269,000)		$ 11,451,000		$ (9,512,000)		$ (3,943,000)		$ (1,265,000)	$ (1,265,000)