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Benefit Plans (Narrative) (Details) (USD $)
0 Months Ended 1 Months Ended 12 Months Ended
Dec. 12, 2011
Apr. 23, 2010
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Age of eligibility for noncontributory defined benefit pension plan     21 years    
Defined Benefit pension plan requisite service period, in years     1 year    
Highest consecutive years of average-compensation (years)     5 years    
Defined benefit pension plan, years of service     10 years    
Asset allocation, percent     100.00% 100.00%  
Benefit Obligation, Remaining Liability     $ 6,250,000 $ 7,221,000 $ 6,777,000
Benefits paid     (497,000) (563,000)  
Options granted 44,600 44,600      
Unvested stock amortization     204,000 143,000  
Profit Sharing Plan [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Percent of eligible participant's W-2 wages     3.00%    
Compensation expense     231,000 225,000  
Bonds And Cash [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Asset allocation, percent     65.83%    
Bonds And Cash [Member] | Maximum [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Target asset, percent     60%    
Bonds And Cash [Member] | Minimum [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Target asset, percent     50    
Equity Securities [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Asset allocation, percent     34.20% 22.00%  
Equity Securities [Member] | Maximum [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Target asset, percent     50%    
Equity Securities [Member] | Minimum [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Target asset, percent     40    
Prior Pension Plan [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Age of eligibility for noncontributory defined benefit pension plan     25 years    
Defined Benefit pension plan requisite service period, in years     1 year    
Postretirement Benefit Plan [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Age of eligibility for noncontributory defined benefit pension plan     65 years    
Defined Benefit pension plan requisite service period, in years     40 years    
Percent of pension for eligible retired employees     1.50%    
The Replacement Plan [Member] | Chief Executive Officer [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Age of eligibility for noncontributory defined benefit pension plan     65 years    
Projected death benefit payment     750,000    
Projected annual after-tax payments     35,000    
Benefit Obligation, Remaining Liability     740,000 729,000  
Benefits paid     63,000 51,000  
Monthly benefits paid     3,658    
Supplemental Employee Retirement Plan [Member] | Chairman And CEO [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Age of eligibility for noncontributory defined benefit pension plan     70 years    
Years of pension supplement     15 years    
Benefit Obligation, Remaining Liability     1,300,000 1,200,000  
Benefits paid     71,000 67,000  
Employee Stock Option [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Maximum number of shares     793,368    
Shares available for future grants     335,279 327,964  
Unvested stock amortization     68,000 69,000  
Option 4/23/2010 [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Cost Not yet Recognized     7,000    
Option 12/12/2011 [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Cost Not yet Recognized     43,000    
Incentive Equity And Deferred Compensation Plan [Member]
         
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Maximum number of shares     243,101    
Shares available for future grants     141,629    
Restrictions on resale of shares, in years     1 year    
Vesting period, in years     3 years    
Unvested stock amortization     136,000 74,000  
Cost Not yet Recognized     $ 279,000    
Cost Not yet Recognized, Period for Recognition     2 years 9 months 29 days