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Employee Benefit Plans (Pension Plan) (Details)
12 Months Ended
Dec. 31, 2006
employee
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Defined Benefit Plan Disclosure [Line Items]        
Number of new employees eligible to enter plan | employee 0      
Pension Plan [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Number of new employees eligible to enter plan | employee 0      
Eligible age for grandfathering provision at plan amendment to freeze plan 40 years      
Eligible vesting service period for grandfathering provision at plan amendment to freeze plan 10 years      
Change in Benefit Obligation        
Benefit obligation at beginning of year   $ 15,169,000 $ 13,965,000  
Service cost   0 0 $ 0
Interest cost   729,000 711,000 646,000
Net actuarial loss   938,000 1,399,000  
Benefits paid   (959,000) (906,000)  
Benefit obligation at end of year   15,877,000 15,169,000 13,965,000
Change in Plan Assets        
Fair value of plan assets at beginning of year   12,437,000 12,831,000  
Actual return on plan assets   (231,000) 362,000  
Employer contributions   250,000 150,000  
Benefits paid   (959,000) (906,000)  
Fair value of plan assets at end of year   11,497,000 12,437,000 12,831,000
Funded Status at End of Year   (4,380,000) (2,732,000)  
Amounts Recognized in the Consolidated Balance Sheets        
Other Liabilities   (4,380,000) (2,732,000)  
Amounts Recognized in Accumulated Other Comprehensive Income        
Net actuarial loss   8,372,000 6,855,000  
Net amount recognized   $ 8,372,000 $ 6,855,000  
Weighted-Average Allocation of Plan Assets at End of Year        
Weighted-average allocation of plan assets at end of year   100.00% 100.00%  
Weighted-Average Plan Assumptions at End of Year        
Discount rate   4.75% 4.50%  
Expected long-term rate of return on plan assets   8.00% 8.00%  
Rate of increase in compensation levels   5.50% 5.50%  
Net Periodic Benefit Cost/(Income)        
Service cost   $ 0 $ 0 0
Interest cost   729,000 711,000 646,000
Expected return on plan assets   (973,000) (987,000) (958,000)
Amortization of prior service cost   0 0 0
Amortization of net actuarial loss   625,000 392,000 562,000
Net periodic benefit cost   381,000 116,000 250,000
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income        
Net actuarial loss/(gain)   1,517,000 1,632,000 (2,089,000)
Amortization of prior service credit   0 0 0
Total recognized in other comprehensive loss/(income)   1,517,000 1,632,000 (2,089,000)
Total Recognized in Net Periodic Pension Cost and Other Comprehensive Loss   1,898,000 1,748,000 $ (1,839,000)
Amounts to be Amortized from Accumulated Other Comprehensive Income/(Loss) into Net Periodic Benefit Cost over Next Year        
Net (gain) loss to be amortized from accumulated other comprehensive income/(loss) into net periodic benefit cost over the next year   700,000    
Prior service cost to be amortized from accumulated other comprehensive income/(loss) into net periodic benefit cost over the next year   0    
Expected Future Employer Contributions to Benefit Plans        
Expected contribution to benefit plan   100,000    
Estimated Future Benefit Payments        
Estimated benefit payments in 2016   910,000    
Estimated benefit payments in 2017   910,000    
Estimated benefit payments in 2018   910,000    
Estimated benefit payments in 2019   930,000    
Estimated benefit payments in 2020   920,000    
Estimated benefit payments in 2021 through 2025   5,000,000    
Pension Plan [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]        
Change in Plan Assets        
Fair value of plan assets at beginning of year   12,437,000    
Fair value of plan assets at end of year   11,497,000 12,437,000  
Pension Plan [Member] | Significant Other Observable Inputs (Level 2) [Member]        
Change in Plan Assets        
Fair value of plan assets at beginning of year   0    
Fair value of plan assets at end of year   0 0  
Pension Plan [Member] | Equity securities [Member]        
Change in Plan Assets        
Fair value of plan assets at beginning of year   5,668,000    
Fair value of plan assets at end of year   $ 5,390,000 $ 5,668,000  
Weighted-Average Allocation of Plan Assets at End of Year        
Weighted-average allocation of plan assets at end of year   52.00% 46.00%  
Pension Plan [Member] | Equity securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]        
Change in Plan Assets        
Fair value of plan assets at beginning of year   $ 5,668,000    
Fair value of plan assets at end of year   5,390,000 $ 5,668,000  
Pension Plan [Member] | Equity securities [Member] | Significant Other Observable Inputs (Level 2) [Member]        
Change in Plan Assets        
Fair value of plan assets at beginning of year   0    
Fair value of plan assets at end of year   0 0  
Pension Plan [Member] | Debt securities [Member]        
Change in Plan Assets        
Fair value of plan assets at beginning of year   6,726,000    
Fair value of plan assets at end of year   $ 6,037,000 $ 6,726,000  
Weighted-Average Allocation of Plan Assets at End of Year        
Weighted-average allocation of plan assets at end of year   47.00% 54.00%  
Pension Plan [Member] | Debt securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]        
Change in Plan Assets        
Fair value of plan assets at beginning of year   $ 6,726,000    
Fair value of plan assets at end of year   6,037,000 $ 6,726,000  
Pension Plan [Member] | Debt securities [Member] | Significant Other Observable Inputs (Level 2) [Member]        
Change in Plan Assets        
Fair value of plan assets at beginning of year   0    
Fair value of plan assets at end of year   0 0  
Pension Plan [Member] | Other Defined Benefit Plan Assets [Member]        
Change in Plan Assets        
Fair value of plan assets at beginning of year   43,000    
Fair value of plan assets at end of year   70,000 43,000  
Pension Plan [Member] | Other Defined Benefit Plan Assets [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]        
Change in Plan Assets        
Fair value of plan assets at beginning of year   43,000    
Fair value of plan assets at end of year   70,000 43,000  
Pension Plan [Member] | Other Defined Benefit Plan Assets [Member] | Significant Other Observable Inputs (Level 2) [Member]        
Change in Plan Assets        
Fair value of plan assets at beginning of year   0    
Fair value of plan assets at end of year   $ 0 $ 0  
Pension Plan [Member] | Cash and cash equivalents [Member]        
Weighted-Average Allocation of Plan Assets at End of Year        
Weighted-average allocation of plan assets at end of year   1.00% 0.00%  
Pension Plan [Member] | Fixed income funds [Member]        
Weighted-Average Allocation of Plan Assets at End of Year        
Weighted-average allocation of plan assets at end of year   0.00% 0.00%  
Pension Plan [Member] | Mutual funds [Member]        
Weighted-Average Allocation of Plan Assets at End of Year        
Weighted-average allocation of plan assets at end of year   99.40%