XML 81 R67.htm IDEA: XBRL DOCUMENT v3.19.1
Note 12 - Retirement Plans (Details Textual)
 12 Months Ended
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Company Matching Percentage on First Six Percent of Employee Contributions 50.00%    
Employee Contribution Percentage for Which Company Will Match at Fifty Percent 6.00%    
Defined Contribution Plan Number of Investment Options 23    
Number of Non-contributory Defined Benefit Plans 2    
Liability, Defined Benefit Plan, Total $ 1,700,000 $ 1,700,000  
Accumulated Other Comprehensive Income (Loss), Unrecognized Net Actuarial Losses, Net of Tax 1,600,000 1,400,000  
Defined Benefit Plan, Accumulated Benefit Obligation 6,100,000 6,600,000  
Defined Benefit Plan, Plan Assets, Amount, Ending Balance 4,400,000 4,900,000  
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total $ 0 $ 0 $ 400,000
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate 3.98% 3.36%  
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets 7.50% 7.50%  
Company Matching Percentage on First Ten Thousand Dollar Employee Contributions 50.00%    
Officer Contribution for Which Company Will Match at Fifty Percent $ 10,000    
Select Employee Contribution for Which Company Will Match at Fifty Percent 5,000    
Deferred Compensation Plan Assets 4,719,000 $ 6,244,000  
Deferred Compensation Liability, Current and Noncurrent, Total 4,700,000 6,200,000  
Retirement Plan Expense $ 900,000 $ 900,000 $ 1,400,000