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Employee Benefit Plans (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Employee Benefit Plans [Abstract]      
Defined benefit plan with individual requisite age 21 years    
Defined benefit plan with individual requisite service period 1 year    
Change in Benefit Obligation [Roll Forward]      
Projected benefit obligation at beginning of year $ 10,931 $ 9,769 $ 9,279
Service cost 0 0 111
Interest cost 288 389 403
Actuarial loss (gain) (201) 1,289 725
Benefits paid (2,022) (516) (749)
Projected benefit obligation at end of year 8,996 10,931 9,769
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at beginning of year 11,689 11,144 11,674
Actual return on plan assets 1,203 1,061 219
Benefits paid (2,022) (516) (749)
Fair value of plan assets at end of year 10,870 11,689 11,144
Funded Status at End of Year 1,874 758 1,375
Amounts Recognized in the Consolidated Balance Sheets [Abstract]      
Other assets 1,874 758 1,375
Amounts Recognized in Accumulated Other Comprehensive Loss [Abstract]      
Net actuarial loss 1,628 3,389 3,080
Deferred income tax benefit (570) (1,186) (1,078)
Amount recognized 1,058 2,203 2,002
Components of Net Periodic Benefit Cost [Abstract]      
Service cost 0 0 111
Interest cost 288 389 403
Expected return on plan assets (513) (541) (525)
Recognized net loss due to settlement 594 128 0
Recognized net actuarial loss 275 332 160
Net periodic benefit cost 644 308 149
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive (Income) Loss [Abstract]      
Net actuarial (gain) loss (1,761) 309 871
Amortization of prior service cost 0 0 0
Total recognized in other comprehensive (income) loss (1,761) 309 871
Total Recognized in Net Periodic Benefit Cost, Retained Earnings and Other Comprehensive (Income) Loss (1,117) 617 1,020
Weighted-Average Assumptions at End of Year [Abstract]      
Discount rate used for net periodic pension cost (in hundredths) 3.00% 3.75% 4.75%
Discount rate used for disclosure (in hundredths) 4.00% 3.00% 3.75%
Expected return on plan assets (in hundredths) 5.00% 5.00% 5.00%
Weighted-average asset allocations by asset category [Abstract]      
Weighted-average asset allocations (in hundredths) 100.00% 100.00%  
Maximum percentage of limiting equities (in hundredths) 5.00%    
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 10,870 11,689 11,144
Projected benefit payments [Abstract]      
2014 3,005    
2015 202    
2016 280    
2017 326    
2018 480    
2019-2023 3,473    
Employee benefits expense 542 568 469
Period of deferred compensation agreements P10Y    
Deferred compensation arrangement expense 13 15 17
Profit sharing and incentive arrangements expense 890 1,086 367
Minimum [Member]
     
Projected benefit payments [Abstract]      
Deferred compensation arrangement annual payments 25    
Maximum [Member]
     
Projected benefit payments [Abstract]      
Deferred compensation arrangement annual payments 50    
Quoted Prices in Active Markets for Identical Assets, Level 1 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 1,838 1,954  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 1,838 1,954  
Significant Other Observable Inputs, Level 2 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 9,032 9,735  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 9,032 9,735  
Significant Unobservable Inputs, Level 3 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 0 0  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 0 0  
Cash [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 369 188  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 369 188  
Cash [Member] | Quoted Prices in Active Markets for Identical Assets, Level 1 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 369 188  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 369 188  
Cash [Member] | Significant Other Observable Inputs, Level 2 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 0 0  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 0 0  
Cash [Member] | Significant Unobservable Inputs, Level 3 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 0 0  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 0 0  
Fixed income securities [Member]
     
Weighted-average asset allocations by asset category [Abstract]      
Weighted-average asset allocations (in hundredths) 33.30% 33.50%  
Fixed income securities [Member] | Government sponsored entities [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 1,159 904  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 1,159 904  
Fixed income securities [Member] | Government sponsored entities [Member] | Quoted Prices in Active Markets for Identical Assets, Level 1 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 0 0  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 0 0  
Fixed income securities [Member] | Government sponsored entities [Member] | Significant Other Observable Inputs, Level 2 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 1,159 904  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 1,159 904  
Fixed income securities [Member] | Government sponsored entities [Member] | Significant Unobservable Inputs, Level 3 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 0 0  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 0 0  
Fixed income securities [Member] | Corporate bonds and notes [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 2,339 2,944  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 2,339 2,944  
Fixed income securities [Member] | Corporate bonds and notes [Member] | Quoted Prices in Active Markets for Identical Assets, Level 1 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 0 0  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 0 0  
Fixed income securities [Member] | Corporate bonds and notes [Member] | Significant Other Observable Inputs, Level 2 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 2,339 2,944  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 2,339 2,944  
Fixed income securities [Member] | Corporate bonds and notes [Member] | Significant Unobservable Inputs, Level 3 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 0 0  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 0 0  
Fixed income securities [Member] | Municipal Bonds [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 119 61  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 119 61  
Fixed income securities [Member] | Municipal Bonds [Member] | Quoted Prices in Active Markets for Identical Assets, Level 1 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 0 0  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 0 0  
Fixed income securities [Member] | Municipal Bonds [Member] | Significant Other Observable Inputs, Level 2 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 119 61  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 119 61  
Fixed income securities [Member] | Municipal Bonds [Member] | Significant Unobservable Inputs, Level 3 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 0 0  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 0 0  
Equity securities [Member]
     
Weighted-average asset allocations by asset category [Abstract]      
Weighted-average asset allocations (in hundredths) 13.50% 15.10%  
Equity securities [Member] | U.S. companies [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 1,454 1,721  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 1,454 1,721  
Equity securities [Member] | U.S. companies [Member] | Quoted Prices in Active Markets for Identical Assets, Level 1 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 1,454 1,721  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 1,454 1,721  
Equity securities [Member] | U.S. companies [Member] | Significant Other Observable Inputs, Level 2 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 0 0  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 0 0  
Equity securities [Member] | U.S. companies [Member] | Significant Unobservable Inputs, Level 3 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 0 0  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 0 0  
Equity securities [Member] | Foreign companies [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 15 45  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 15 45  
Equity securities [Member] | Foreign companies [Member] | Quoted Prices in Active Markets for Identical Assets, Level 1 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 15 45  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 15 45  
Equity securities [Member] | Foreign companies [Member] | Significant Other Observable Inputs, Level 2 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 0 0  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 0 0  
Equity securities [Member] | Foreign companies [Member] | Significant Unobservable Inputs, Level 3 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 0 0  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 0 0  
Mutual Funds [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 5,415 5,826  
Weighted-average asset allocations by asset category [Abstract]      
Weighted-average asset allocations (in hundredths) 49.80% 49.80%  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 5,415 5,826  
Mutual Funds [Member] | Quoted Prices in Active Markets for Identical Assets, Level 1 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 0 0  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 0 0  
Mutual Funds [Member] | Significant Other Observable Inputs, Level 2 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 5,415 5,826  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets 5,415 5,826  
Mutual Funds [Member] | Significant Unobservable Inputs, Level 3 [Member]
     
Change in Plan Assets [Roll Forward]      
Fair value of plan assets at end of year 0 0  
Fair value of pension plan assets [Abstract]      
Fair value of plan assets $ 0 $ 0  
Cash and Accrued Income [Member]
     
Weighted-average asset allocations by asset category [Abstract]      
Weighted-average asset allocations (in hundredths) 3.40% 1.60%