EMPLOYEE BENEFITS AND DEFERRED COMPENSATION AND SUPPLEMENTAL RETIREMENT PLANS (Details) (USD $)	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Minimum years of service to participate in the health and life insurance benefits as of January 1, 1995	14 years
Change in Plan Assets [Roll Forward]
Fair value of plan assets, beginning	$ 7,549,000
Fair value of plan assets, ending	10,786,000		7,549,000
Amounts Recognized in Accumulated Other Comprehensive Loss [Abstract]
Gains or losses greater of the benefit obligation or the fair value of assets amortized over the average remaining service period (in hundredths)	10.00%
Assumed Health Care Cost Trend Rates [Abstract]
Health care cost trend rate assumption (in hundredths)	7.50%
Ultimate health care cost trend rate (in hundredths)	5.00%
Year that rate reaches ultimate trend rate	2018
Significant Assumptions Used in Determining Net Periodic Benefit Plan Cost [Abstract]
Long-term inflation rate (in hundredths)	3.00%
Amounts that will be amortized from accumulated other comprehensive income (loss) in next fiscal year	361,000
Target Allocations [Abstract]
Asset rebalancing threshold (in hundredths)	10.00%
Policy range guideline (in hundredths)	20.00%
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	10,786,000		7,549,000
Expected Benefit Payments [Abstract]
2013	269,000
2014	280,000
2015	289,000
2016	300,000
2017	333,000
Years 2018 - 2022	1,843,000
401 (k) Plan [Abstract]
Employer contribution to 401 (k) plan	208,000		176,000
Directors and Certain Executive Officers [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Deferred compensation benefit payments age	65 years
Maximum contractual term	10 years
Requisite service period	5 years
Liability related to deferred compensation	1,979,000		1,929,000
Deferred compensation expense	217,000		224,000
Level 1 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	4,348,000		1,570,000
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	4,348,000		1,570,000
Level 2 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	6,438,000		5,979,000
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	6,438,000		5,979,000
Level 3 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0		0
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0		0
Mutual Funds - Equity - Large-cap Value [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	1,018,000	[1]	675,000	[1]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	1,018,000	[1]	675,000	[1]
Approximate or typical number of stocks held in the portfolio	150		150
Mutual Funds - Equity - Large-cap Value [Member] | Level 1 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	1,018,000	[1]	675,000	[1]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	1,018,000	[1]	675,000	[1]
Mutual Funds - Equity - Large-cap Value [Member] | Level 2 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0	[1]	0	[1]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0	[1]	0	[1]
Mutual Funds - Equity - Large-cap Value [Member] | Level 3 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0	[1]	0	[1]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0	[1]	0	[1]
Mutual Funds - Equity - Small-cap Core [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	1,339,000	[2]	895,000	[2]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	1,339,000	[2]	895,000	[2]
Mutual Funds - Equity - Small-cap Core [Member] | Minimum [Member]
Pension Plan Assets Measured at Fair Value [Abstract]
Approximate or typical number of stocks held in the portfolio	150		150
Mutual Funds - Equity - Small-cap Core [Member] | Level 1 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	1,339,000	[2]	895,000	[2]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	1,339,000	[2]	895,000	[2]
Mutual Funds - Equity - Small-cap Core [Member] | Level 2 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0	[2]	0	[2]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0	[2]	0	[2]
Mutual Funds - Equity - Small-cap Core [Member] | Level 3 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0	[2]	0	[2]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0	[2]	0	[2]
Mutual Funds- Equity- Large- cap Core [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	752,000	[3]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	752,000	[3]
Mutual Funds- Equity- Large- cap Core [Member] | Minimum [Member]
Pension Plan Assets Measured at Fair Value [Abstract]
Approximate or typical number of stocks held in the portfolio	60
Mutual Funds- Equity- Large- cap Core [Member] | Maximum [Member]
Pension Plan Assets Measured at Fair Value [Abstract]
Approximate or typical number of stocks held in the portfolio	90
Mutual Funds- Equity- Large- cap Core [Member] | Level 1 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	752,000	[3]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	752,000	[3]
Mutual Funds- Equity- Large- cap Core [Member] | Level 2 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0	[3]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0	[3]
Mutual Funds- Equity- Large- cap Core [Member] | Level 3 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0	[3]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0	[3]
Mutual Funds- Equity- Large- cap Value One [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	1,239,000	[4]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	1,239,000	[4]
Mutual Funds- Equity- Large- cap Value One [Member] | Level 1 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	1,239,000	[4]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	1,239,000	[4]
Mutual Funds- Equity- Large- cap Value One [Member] | Level 2 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0	[4]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0	[4]
Mutual Funds- Equity- Large- cap Value One [Member] | Level 3 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0	[4]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0	[4]
Common/Collective Trusts - Equity - Large-cap Core [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	1,191,000	[5]	798,000	[5]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	1,191,000	[5]	798,000	[5]
Common/Collective Trusts - Equity - Large-cap Core [Member] | Level 1 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0	[5]	0	[5]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0	[5]	0	[5]
Common/Collective Trusts - Equity - Large-cap Core [Member] | Level 2 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	1,191,000	[5]	798,000	[5]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	1,191,000	[5]	798,000	[5]
Common/Collective Trusts - Equity - Large-cap Core [Member] | Level 3 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0	[5]	0	[5]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0	[5]	0	[5]
Common/Collective Trusts - Equity - Large-cap Value [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	595,000	[6]	393,000	[6]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	595,000	[6]	393,000	[6]
Common/Collective Trusts - Equity - Large-cap Value [Member] | Minimum [Member]
Pension Plan Assets Measured at Fair Value [Abstract]
Approximate or typical number of stocks held in the portfolio	60		60
Common/Collective Trusts - Equity - Large-cap Value [Member] | Maximum [Member]
Pension Plan Assets Measured at Fair Value [Abstract]
Approximate or typical number of stocks held in the portfolio	70		70
Common/Collective Trusts - Equity - Large-cap Value [Member] | Level 1 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0	[6]	0	[6]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0	[6]	0	[6]
Common/Collective Trusts - Equity - Large-cap Value [Member] | Level 2 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	595,000	[6]	393,000	[6]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	595,000	[6]	393,000	[6]
Common/Collective Trusts - Equity - Large-cap Value [Member] | Level 3 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0	[6]	0	[6]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0	[6]	0	[6]
Common/Collective Trusts - Equity - Large-cap Growth [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	792,000	[7]	1,087,000	[8]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	792,000	[7]	1,087,000	[8]
Common/Collective Trusts - Equity - Large-cap Growth [Member] | Minimum [Member]
Pension Plan Assets Measured at Fair Value [Abstract]
Approximate or typical number of stocks held in the portfolio	35		45
Common/Collective Trusts - Equity - Large-cap Growth [Member] | Maximum [Member]
Pension Plan Assets Measured at Fair Value [Abstract]
Approximate or typical number of stocks held in the portfolio	55		65
Common/Collective Trusts - Equity - Large-cap Growth [Member] | Level 1 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0	[7]	0	[8]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0	[7]	0	[8]
Common/Collective Trusts - Equity - Large-cap Growth [Member] | Level 2 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	792,000	[7]	1,087,000	[8]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	792,000	[7]	1,087,000	[8]
Common/Collective Trusts - Equity - Large-cap Growth [Member] | Level 3 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0	[7]	0	[8]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0	[7]	0	[8]
Common/Collective Trusts - Equity - International Core [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending			830,000	[9]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets			830,000	[9]
Common/Collective Trusts - Equity - International Core [Member] | Minimum [Member]
Pension Plan Assets Measured at Fair Value [Abstract]
Approximate or typical number of stocks held in the portfolio			200
Percentage of portfolio invested in emerging markets (in hundredths)			0.00%
Common/Collective Trusts - Equity - International Core [Member] | Maximum [Member]
Pension Plan Assets Measured at Fair Value [Abstract]
Percentage of portfolio invested in emerging markets (in hundredths)			35.00%
Common/Collective Trusts - Equity - International Core [Member] | Level 1 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending			0	[9]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets			0	[9]
Common/Collective Trusts - Equity - International Core [Member] | Level 2 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending			830,000	[9]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets			830,000	[9]
Common/Collective Trusts - Equity - International Core [Member] | Level 3 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending			0	[9]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets			0	[9]
Common/Collective Trusts - Fixed Income - Market Duration Fixed [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	3,860,000	[10]	2,871,000	[10]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	3,860,000	[10]	2,871,000	[10]
Common/Collective Trusts - Fixed Income - Market Duration Fixed [Member] | Level 1 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0	[10]	0	[10]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0	[10]	0	[10]
Common/Collective Trusts - Fixed Income - Market Duration Fixed [Member] | Level 2 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	3,860,000	[10]	2,871,000	[10]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	3,860,000	[10]	2,871,000	[10]
Common/Collective Trusts - Fixed Income - Market Duration Fixed [Member] | Level 3 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0	[10]	0	[10]
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0	[10]	0	[10]
Equities [Member]
Target Allocations [Abstract]
Target plan asset allocations - well-funded (in hundredths)	65.00%
Target plan asset allocations, not well-funded (in hundredths)	50.00%
Fixed Income Securities [Member]
Target Allocations [Abstract]
Target plan asset allocations - well-funded (in hundredths)	35.00%
Target plan asset allocations, not well-funded (in hundredths)	50.00%
Cash Equivalents-Money Market [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0
Cash Equivalents-Money Market [Member] | Level 1 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0
Cash Equivalents-Money Market [Member] | Level 2 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0
Cash Equivalents-Money Market [Member] | Level 3 [Member]
Change in Plan Assets [Roll Forward]
Fair value of plan assets, ending	0
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0
Pension Benefits [Member]
Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of period	10,167,000		7,539,000
Service cost	166,000		328,000
Interest cost	397,000		414,000
Actuarial loss	863,000		2,085,000
Curtailment gain	(1,919,000)		0
Benefits paid	(209,000)		(199,000)
Benefit obligation at end of period	9,465,000		10,167,000
Change in Plan Assets [Roll Forward]
Fair value of plan assets, beginning	7,549,000		7,890,000
Actual return on plan assets	846,000		(142,000)
Benefits paid	(209,000)		(199,000)
Employer contributions	2,600,000		0
Fair value of plan assets, ending	10,786,000		7,549,000
Funded status - asset (liability)	1,321,000		(2,618,000)
Amounts Recognized in Accumulated Other Comprehensive Loss [Abstract]
Unrecognized transition obligation	0		0
Net loss, net of curtailment gain	4,466,000		5,940,000
Accumulated other comprehensive loss before tax	4,466,000		5,940,000
Tax Effect	1,786,000		2,376,000
Accumulated other comprehensive income after tax	2,680,000		3,564,000
Accumulated benefit obligation	9,465,000		8,245,000
Significant Assumptions Used in Determining Benefit Obligations [Abstract]
Weighted average discount rate (in hundredths)	4.05%		4.40%
Rate of increase in future compensation levels (in hundredths)	0.00%		3.50%
Composition of Net Periodic Benefit Plan Cost [Abstract]
Service cost	166,000		328,000
Interest cost	397,000		414,000
Expected return on plan assets	(809,000)		(625,000)
Amortization of transition obligation	0		0
Amortization of net losses	381,000		247,000
Net periodic benefit cost	135,000		364,000
Significant Assumptions Used in Determining Net Periodic Benefit Plan Cost [Abstract]
Weighted average discount rate (in hundredths)	4.40%		5.54%
Expected long term rate of return on plan assets (in hundredths)	8.00%		8.00%
Rate of increase in future compensation levels (in hundredths)	0.00%		3.50%
Expected net periodic benefit cost in next fiscal year	76,000
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	10,786,000		7,549,000
Expected Benefit Payments [Abstract]
2013	234,000
2014	244,000
2015	253,000
2016	264,000
2017	296,000
Years 2018 - 2022	1,678,000
Pension Benefits [Member] | Minimum [Member]
Significant Assumptions Used in Determining Net Periodic Benefit Plan Cost [Abstract]
Expected long term rate of return on plan assets (in hundredths)	7.00%
Pension Benefits [Member] | Maximum [Member]
Significant Assumptions Used in Determining Net Periodic Benefit Plan Cost [Abstract]
Expected long term rate of return on plan assets (in hundredths)	11.00%
Pension Benefits [Member] | Equities [Member] | Minimum [Member]
Significant Assumptions Used in Determining Net Periodic Benefit Plan Cost [Abstract]
Expected long term rate of return on plan assets (in hundredths)	5.00%
Pension Benefits [Member] | Equities [Member] | Maximum [Member]
Significant Assumptions Used in Determining Net Periodic Benefit Plan Cost [Abstract]
Expected long term rate of return on plan assets (in hundredths)	9.00%
Pension Benefits [Member] | Fixed Income Securities [Member] | Minimum [Member]
Significant Assumptions Used in Determining Net Periodic Benefit Plan Cost [Abstract]
Expected long term rate of return on plan assets (in hundredths)	2.00%
Pension Benefits [Member] | Fixed Income Securities [Member] | Maximum [Member]
Significant Assumptions Used in Determining Net Periodic Benefit Plan Cost [Abstract]
Expected long term rate of return on plan assets (in hundredths)	6.00%
Postretirement Benefits [Member]
Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of period	401,000		364,000
Service cost	0		0
Interest cost	17,000		19,000
Actuarial loss	68,000		47,000
Curtailment gain	0		0
Benefits paid	(36,000)		(29,000)
Benefit obligation at end of period	450,000		401,000
Change in Plan Assets [Roll Forward]
Fair value of plan assets, beginning	0		0
Actual return on plan assets	0		0
Benefits paid	(36,000)		(29,000)
Employer contributions	36,000		29,000
Fair value of plan assets, ending	0		0
Funded status - asset (liability)	(450,000)		(401,000)
Amounts Recognized in Accumulated Other Comprehensive Loss [Abstract]
Unrecognized transition obligation	0		2,000
Net loss, net of curtailment gain	142,000		86,000
Accumulated other comprehensive loss before tax	142,000		88,000
Tax Effect	57,000		35,000
Accumulated other comprehensive income after tax	85,000		53,000
Accumulated benefit obligation	450,000		401,000
Significant Assumptions Used in Determining Benefit Obligations [Abstract]
Weighted average discount rate (in hundredths)	4.05%		4.40%
Rate of increase in future compensation levels (in hundredths)	0.00%		0.00%
Composition of Net Periodic Benefit Plan Cost [Abstract]
Service cost	0		0
Interest cost	17,000		19,000
Expected return on plan assets	0		0
Amortization of transition obligation	2,000		18,000
Amortization of net losses	13,000		1,000
Net periodic benefit cost	32,000		38,000
Significant Assumptions Used in Determining Net Periodic Benefit Plan Cost [Abstract]
Weighted average discount rate (in hundredths)	4.40%		5.54%
Expected long term rate of return on plan assets (in hundredths)	0.00%		0.00%
Rate of increase in future compensation levels (in hundredths)	0.00%		0.00%
Estimated amortization of the unrecognized transition obligation and actuarial loss in next fiscal year	20,000
Expected net periodic benefit cost in next fiscal year	76,000
Pension Plan Assets Measured at Fair Value [Abstract]
Fair value of plan assets	0		0
Estimated future employer contributions in next fiscal year	35,000
Expected Benefit Payments [Abstract]
2013	35,000
2014	36,000
2015	36,000
2016	36,000
2017	37,000
Years 2018 - 2022	165,000
Supplemental Executive Retirement Plans [Member]
Expected Benefit Payments [Abstract]
Other accrued liabilities	173,000		218,000
Compensation expense	16,000		19,000
Cash surrender value of life insurance	$ 8,046,000		$ 7,939,000

[1] This category consists of investments whose sector and industry exposures are maintained within a narrow band around Russell 1000 index. The portfolio holds approximately 150 stocks.

[2] This category contains stocks whose sector weightings are maintained within a narrow band around those of the Russell 2000 index. The portfolio will typically hold more than 150 stocks.

[3] This category consists of a mutual fund that seeks fast growing large-cap companies with sustainable franchises and positive price momentum. The portfolio holds 60 to 90 stocks.

[4] This category has investments in medium to large non-US companies, including high quality, durable growth companies and companies based in countries with stable economic and political systems.

[5] This fund tracks the performance of the S&P 500 Index by purchasing the securities represented in the Index in approximately the same weightings as the Index.

[6] This category contains large-cap stocks with above-average yields. The portfolio typically holds between 60 and 70 stocks.

[7] This category consists of a portfolio of between 35 and 55 stocks of fast growing, predictable, and cyclical large cap growth companies.

[8] This category consists of a portfolio of between 45 and 65 stocks that will typically overweight technology and health care.

[9] This category consists of a broadly diversified portfolio of non-U.S. domiciled stocks. The portfolio will typically hold more than 200 stocks, with 0% - 35% invested in emerging markets securities.

[10] This category consists of an index fund that tracks the Barclays Capital U.S. Aggregate Bond Index. The fund invests in Treasury, agency, corporate, mortgage-backed and asset-backed securities.