RETIREMENT PLANS (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
RETIREMENT PLANS [Abstract]
Age of employees eligible to participate in retirement plan	18
Percentage of gross compensation participates may elect to contribute (in hundredths)	100.00%
Vesting period under 401(k) plan	5 years
Percentage of vesting per year (in hundredths)	20.00%
Matching contributions	$ 332,000	$ 319,000	$ 306,000
Age of employees eligible to participate in the Pension Plan	21
Minimum service period required to participate in pension plan	12 months
Percentage employee contribution to pension plan (in hundredths)	2.00%
Vesting period under pension plan	4 years
Weighted average assumptions used to determine the benefit obligation at year end [Abstract]
Discount rate (in hundredths)	4.06%	5.23%	5.69%
Rate of increase in compensation levels (in hundredths)	3.00%	3.00%	3.50%
Weighted average assumptions used to determine net pension cost [Abstract]
Discount rate (in hundredths)	5.23%	5.69%	5.89%
Rate of increase in compensation levels (in hundredths)	3.00%	3.50%	3.50%
Expected long-term rate of return on plan assets (in hundredths)	7.00%	7.00%	7.50%
Components of net periodic pension cost [Abstract]
Service cost, net of plan participant contributions	900,000	1,227,000	1,200,000
Interest cost	1,368,000	1,336,000	1,190,000
Expected return on plan assets	(2,259,000)	(2,087,000)	(1,792,000)
Amortization of prior service cost	23,000	23,000	23,000
Amortization of net actuarial loss	664,000	266,000	322,000
Net pension cost	696,000	765,000	943,000
Estimated prior service cost that will be amortized from accumulated other comprehensive income into periodic benefit cost in the next fiscal year	23,000
Net actuarial loss that will be amortized from accumulated other comprehensive income into periodic benefit cost in the next fiscal year	631,000
Change in projected benefit obligation [Abstract]
Projected benefit obligation at beginning of year	26,891,000	23,772,000	20,605,000
Service cost before plan participant contributions	1,142,000	1,456,000	1,444,000
Expenses	(235,000)	(216,000)	(174,000)
Interest cost	1,368,000	1,336,000	1,190,000
Benefits paid	(916,000)	(832,000)	(746,000)
Assumption changes	4,270,000	1,460,000	563,000
Experience loss (gain) and other	(1,822,000)	(85,000)	890,000
Projected benefit obligation at end of year	30,698,000	26,891,000	23,772,000
Change in fair value of plan assets [Abstract]
Fair value of plan assets at beginning of year	33,023,000	29,640,000	24,307,000
Actual return on plan assets	3,460,000	1,000	2,267,000
Employer contributions	6,024,000	4,201,000	3,742,000
Plan participant contributions	242,000	229,000	244,000
Benefits paid	(916,000)	(832,000)	(746,000)
Expenses	(235,000)	(216,000)	(174,000)
Fair value of plan assets at end of year	41,598,000	33,023,000	29,640,000
Funded status at end of year	10,900,000	6,132,000	5,868,000
Accumulated Benefit Obligation	27,783,000	24,314,000	21,620,000
Net actuarial loss and prior service cost included in accumulated other comprehensive income [Abstract]
Net actuarial loss	9,878,000	9,294,000
Prior service cost	40,000	63,000
Total	9,918,000	9,357,000
Plan Assets [Abstract]
Investment strategy in long-term growth (in hundredths)	97.00%
Investment strategy in near-term benefit payment (in hundredths)	3.00%
Percentage investment in single security, maximum (in hundredths)	5.00%
Percentage investment in single issuer, maximum (in hundredths)	8.00%
Percentage of less than Baa2/BBB and A-quality in investment manager's portfolio (in hundredths)	10.00%
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets (in hundredths)	100.00%	100.00%
Average Expected Long-term Rates of Return	7.00%	7.00%	7.50%
Total plan assets	41,598,000	33,023,000	29,640,000
Estimated future benefit payments [Abstract]
2013	1,083,000
2014	1,242,000
2015	1,367,000
2016	1,518,000
2017	1,688,000
2018-2022	9,852,000
SERP expense	45,000	151,000	126,000
Minimum [Member]
Weighted average assumptions used to determine net pension cost [Abstract]
Expected long-term rate of return on plan assets (in hundredths)	6.50%
Defined Benefit Plan Disclosure [Line Items]
Average Expected Long-term Rates of Return	6.50%
Maximum [Member]
Weighted average assumptions used to determine net pension cost [Abstract]
Expected long-term rate of return on plan assets (in hundredths)	7.50%
Defined Benefit Plan Disclosure [Line Items]
Average Expected Long-term Rates of Return	7.50%
Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	18,934,000	15,880,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	18,934,000	15,880,000
Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	22,664,000	17,143,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	22,664,000	17,143,000
Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Short-term Investments Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of plan assets (in hundredths)	12.00%	10.00%
Cash Equivalents [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at beginning of year	3,505,000
Fair value of plan assets at end of year	5,368,000
Defined Benefit Plan Disclosure [Line Items]
Target allocation, minimum (in hundredths)	0.00%
Target allocation, maximum (in hundredths)	20.00%
Percentage of plan assets (in hundredths)	12.80%	10.60%
Total plan assets	5,368,000
Cash Equivalents [Member] | Maximum [Member]
Weighted average assumptions used to determine net pension cost [Abstract]
Expected long-term rate of return on plan assets (in hundredths)	1.00%
Defined Benefit Plan Disclosure [Line Items]
Average Expected Long-term Rates of Return	1.00%
Cash Equivalents [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	43,000	57,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	43,000	57,000
Cash Equivalents [Member] | Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	5,325,000	3,448,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	5,325,000	3,448,000
Cash Equivalents [Member] | Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Cash Equivalents [Member] | Short-term Investments Funds [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	5,099,000	3,448,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	5,099,000	3,448,000
Cash Equivalents [Member] | Short-term Investments Funds [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Cash Equivalents [Member] | Short-term Investments Funds [Member] | Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	5,099,000	3,448,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	5,099,000	3,448,000
Cash Equivalents [Member] | Short-term Investments Funds [Member] | Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Cash Equivalents [Member] | Foreign Currencies [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	43,000	57,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	43,000	57,000
Cash Equivalents [Member] | Foreign Currencies [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	43,000	57,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	43,000	57,000
Cash Equivalents [Member] | Foreign Currencies [Member] | Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Cash Equivalents [Member] | Foreign Currencies [Member] | Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Cash Equivalents [Member] | Government Issues [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	226,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	226,000
Cash Equivalents [Member] | Government Issues [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0
Cash Equivalents [Member] | Government Issues [Member] | Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	226,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	226,000
Cash Equivalents [Member] | Government Issues [Member] | Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0
Equity Securities [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at beginning of year	15,823,000
Fair value of plan assets at end of year	18,891,000
Defined Benefit Plan Disclosure [Line Items]
Target allocation, minimum (in hundredths)	40.00%
Target allocation, maximum (in hundredths)	60.00%
Percentage of plan assets (in hundredths)	45.50%	47.90%
Total plan assets	18,891,000
Equity Securities [Member] | Minimum [Member]
Weighted average assumptions used to determine net pension cost [Abstract]
Expected long-term rate of return on plan assets (in hundredths)	8.00%
Defined Benefit Plan Disclosure [Line Items]
Average Expected Long-term Rates of Return	8.00%
Equity Securities [Member] | Maximum [Member]
Weighted average assumptions used to determine net pension cost [Abstract]
Expected long-term rate of return on plan assets (in hundredths)	10.00%
Defined Benefit Plan Disclosure [Line Items]
Average Expected Long-term Rates of Return	10.00%
Equity Securities [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	18,891,000	15,823,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	18,891,000	15,823,000
Equity Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Equity Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Equity Securities [Member] | Common Stock [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	18,319,000	15,442,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	18,319,000	15,442,000
Equity Securities [Member] | Common Stock [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	18,319,000	15,442,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	18,319,000	15,442,000
Equity Securities [Member] | Common Stock [Member] | Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Equity Securities [Member] | Common Stock [Member] | Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Equity Securities [Member] | Depository Receipt [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	410,000	332,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	410,000	332,000
Equity Securities [Member] | Depository Receipt [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	410,000	332,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	410,000	332,000
Equity Securities [Member] | Depository Receipt [Member] | Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Equity Securities [Member] | Depository Receipt [Member] | Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Equity Securities [Member] | Preferred Stock [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	81,000	49,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	81,000	49,000
Equity Securities [Member] | Preferred Stock [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	81,000	49,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	81,000	49,000
Equity Securities [Member] | Preferred Stock [Member] | Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Equity Securities [Member] | Preferred Stock [Member] | Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Equity Securities [Member] | Real estate investment trust [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	81,000	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	81,000	0
Equity Securities [Member] | Real estate investment trust [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	81,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	81,000
Equity Securities [Member] | Real estate investment trust [Member] | Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0
Equity Securities [Member] | Real estate investment trust [Member] | Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0
Fixed Income Securities [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at beginning of year	13,695,000
Fair value of plan assets at end of year	17,339,000
Defined Benefit Plan Disclosure [Line Items]
Target allocation, minimum (in hundredths)	40.00%
Target allocation, maximum (in hundredths)	60.00%
Percentage of plan assets (in hundredths)	41.70%	41.50%
Total plan assets	17,339,000
Fixed Income Securities [Member] | Minimum [Member]
Weighted average assumptions used to determine net pension cost [Abstract]
Expected long-term rate of return on plan assets (in hundredths)	5.00%
Defined Benefit Plan Disclosure [Line Items]
Average Expected Long-term Rates of Return	5.00%
Fixed Income Securities [Member] | Maximum [Member]
Weighted average assumptions used to determine net pension cost [Abstract]
Expected long-term rate of return on plan assets (in hundredths)	6.00%
Defined Benefit Plan Disclosure [Line Items]
Average Expected Long-term Rates of Return	6.00%
Fixed Income Securities [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	17,339,000	13,695,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	17,339,000	13,695,000
Fixed Income Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Federal Home Loan Mortgage Corp [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	516,000	569,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	516,000	569,000
Fixed Income Securities [Member] | Federal Home Loan Mortgage Corp [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Federal Home Loan Mortgage Corp [Member] | Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	516,000	569,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	516,000	569,000
Fixed Income Securities [Member] | Federal Home Loan Mortgage Corp [Member] | Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Federal National Mortgage Assoc (FNMA) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	2,064,000	1,758,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	2,064,000	1,758,000
Fixed Income Securities [Member] | Federal National Mortgage Assoc (FNMA) [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Federal National Mortgage Assoc (FNMA) [Member] | Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	2,064,000	1,758,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	2,064,000	1,758,000
Fixed Income Securities [Member] | Federal National Mortgage Assoc (FNMA) [Member] | Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Government National Mortgage Assoc. I [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	22,000	24,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	22,000	24,000
Fixed Income Securities [Member] | Government National Mortgage Assoc. I [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Government National Mortgage Assoc. I [Member] | Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	22,000	24,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	22,000	24,000
Fixed Income Securities [Member] | Government National Mortgage Assoc. I [Member] | Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Government National Mortgage Assoc. II [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	96,000	123,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	96,000	123,000
Fixed Income Securities [Member] | Government National Mortgage Assoc. II [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Government National Mortgage Assoc. II [Member] | Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	96,000	123,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	96,000	123,000
Fixed Income Securities [Member] | Government National Mortgage Assoc. II [Member] | Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Other asset backed [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	10,000	37,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	10,000	37,000
Fixed Income Securities [Member] | Other asset backed [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Other asset backed [Member] | Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	10,000	37,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	10,000	37,000
Fixed Income Securities [Member] | Other asset backed [Member] | Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Municipals [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	45,000	39,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	45,000	39,000
Fixed Income Securities [Member] | Municipals [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Municipals [Member] | Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	45,000	39,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	45,000	39,000
Fixed Income Securities [Member] | Municipals [Member] | Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Collateralized Mortgage Obligations [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	4,508,000	3,227,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	4,508,000	3,227,000
Fixed Income Securities [Member] | Collateralized Mortgage Obligations [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Collateralized Mortgage Obligations [Member] | Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	4,508,000	3,227,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	4,508,000	3,227,000
Fixed Income Securities [Member] | Collateralized Mortgage Obligations [Member] | Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Auto loan receivable [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	225,000	4,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	225,000	4,000
Fixed Income Securities [Member] | Auto loan receivable [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Auto loan receivable [Member] | Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	225,000	4,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	225,000	4,000
Fixed Income Securities [Member] | Auto loan receivable [Member] | Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Corporate bonds [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	3,927,000	2,935,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	3,927,000	2,935,000
Fixed Income Securities [Member] | Corporate bonds [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Corporate bonds [Member] | Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	3,927,000	2,935,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	3,927,000	2,935,000
Fixed Income Securities [Member] | Corporate bonds [Member] | Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Government Issues [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	5,926,000	4,979,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	5,926,000	4,979,000
Fixed Income Securities [Member] | Government Issues [Member] | Quoted Prices in Active Market for Identical Assets (Level 1) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0	0
Fixed Income Securities [Member] | Government Issues [Member] | Significant Other Observable Inputs (Level 2) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	5,926,000	4,979,000
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	5,926,000	4,979,000
Fixed Income Securities [Member] | Government Issues [Member] | Significant Unobservable Inputs (Level 3) [Member]
Change in fair value of plan assets [Abstract]
Fair value of plan assets at end of year	0	0
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	$ 0	$ 0
Other Financial Instruments [Member]
Weighted average assumptions used to determine net pension cost [Abstract]
Expected long-term rate of return on plan assets (in hundredths)	0.00%
Defined Benefit Plan Disclosure [Line Items]
Target allocation, minimum (in hundredths)	0.00%
Target allocation, maximum (in hundredths)	5.00%
Percentage of plan assets (in hundredths)	0.00%	0.00%
Average Expected Long-term Rates of Return	0.00%