OTHER COMPREHENSIVE INCOME (LOSS) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
OTHER COMPREHENSIVE INCOME (LOSS)
Unrealized holding (losses) gains on available for sale securities	$ (2,321)	$ 3,758	$ (1,518)
Reclassification adjustment for gains realized in income	(2,647)	(135)	(1,303)
Income tax effect	1,972	(1,438)	1,121
Net change in unrealized (loss) gain on available for sale securities	(2,996)	2,185	(1,700)
Change in fair value of derivatives used for cash flow hedges	(176)
Income tax effect	70
Net change in unrealized loss on cash flow hedge	(106)
Change in post-retirement obligation	425	(2,527)	(91)
Income tax effect	(169)	1,003	36
Net change in post-retirement obligation	256	(1,524)	(55)
Total	(2,846)	661	(1,755)
Unrealized gains on available for sale securities
Balance at the beginning of the period	5,734
Current Period Change	(2,996)	2,185	(1,700)
Balance at the end of the period	2,738	5,734
Unrealized losses on cash flow hedges
Current Period Change	(106)
Balance at the end of the period	(106)
Unrealized losses on pension benefits
Balance at the beginning of the period	(3,306)
Current Period Change	(256)	1,524	55
Balance at the end of the period	(3,050)	(3,306)
Total
Balance at the beginning of the period	2,428
Current Period Change	(2,846)	661	(1,755)
Balance at the end of the period	$ (418)	$ 2,428