COMPREHENSIVE (LOSS) INCOME (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Unrealized gains on investment securities: [Abstract]
Unrealized holding gains (losses) arising during period, before tax	$ (1,573)	$ 531	$ 6,102
Less adjustment for impaired investments, before tax	(2,359)	(1,796)	(479)
Adjustment in deferred tax valuation allowance related to preferred and common stock		0	0
Non-credit loss portion of other-than-temporary impairments, before tax			(87)
Less reclassification adjustment for gains realized in net loss, before tax	1,030	1,782	1,290
Unrealized gains on investment securities, before tax	(244)	545	5,204
Unrecognized benefit obligation expense [Abstract]
Actuarial loss, before tax	(1,655)	(2,026)	(538)
Less reclassification adjustment for amortization, before tax	(471)	(231)	(143)
Unrecognized benefit obligation expense, before tax	(1,184)	(1,795)	(395)
Other comprehensive loss, net, before tax	(1,428)	(1,250)	4,809
Unrealized gains on investment securities [Abstract]
Unrealized holding gains (losses) arising during period, tax	(535)	227	1,764
Adjustment in deferred tax valuation allowance related to equity securities tax		288
Reduction In Deferred Tax Valuation Allowance Related To Equity Securities Tax			(97)
Non-credit loss portion of other-than-temporary impairments, tax			(30)
Less adjustment for impaired investments, tax	(802)	(629)	(168)
Less reclassification adjustment for gains realized in net loss, tax	350	624	452
Unrealized gains on investment securities, tax	(83)	520	1,547
Unrecognized benefit obligation expense [Abstract]
Actuarial loss, tax	(563)	(709)	(188)
Less reclassification adjustment for amortization, tax	(160)	(81)	(50)
Unrecognized benefit obligation expense, tax	(403)	(628)	(138)
Other comprehensive income, net, tax	(486)	(108)	1,409
Unrealized gains on investment securities [Abstract]
Unrealized holding gains (losses) arising during period, net of tax	(1,038)	304	4,338
Adjustment in deferred tax valuation allowance related to equity securities net of tax		(288)
Reduction In Deferred Tax Valuation Allowance Related To Equity Securities Net Of Tax			97
Non-credit loss portion of other-than-temporary impairments, net of tax			(57)
Less adjustment for impaired investments, net of tax	(1,557)	(1,167)	(311)
Less reclassification adjustment for gains realized in net loss	680	1,158	838
Unrealized gains on investment securities, net of tax	(161)	25	3,851
Unrecognized benefit obligation expense [Abstract]
Actuarial loss, net of tax	(1,092)	(1,317)	(350)
Less reclassification adjustment for amortization, net of tax	(311)	(150)	(93)
Unrecognized benefit obligation expense, net of tax	(781)	(1,167)	(257)
Other comprehensive (loss) income	(942)	(1,142)	3,594
Accumulated Other Comprehensive Income [Abstract]
Unrecognized benefit obligation	(3,556)	(2,734)	(1,567)
Unrealized gains on AFS investments	3,414	3,534	3,509
Accumulated other comprehensive (loss) income	$ (142)	$ 800	$ 1,942