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Note 13 - Retirement Plans (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Retirement Plan Expense   $ 2,200 $ 1,800 $ 1,600
Defined Contribution Plan [Member]        
Company Matching Percentage on First Eight Percent of Employee Contributions   50.00% 50.00% 50.00%
Employee Contribution Percentage for Which Company Will Match at Fifty Percent   8.00% 8.00% 8.00%
ParkUSA Defined Contribution Plan [Member]        
Company Matching Percentage on First Eight Percent of Employee Contributions 100.00%      
Employee Contribution Percentage for Which Company Will Match at One Hundred Percent 4.00%      
Pension Plan [Member]        
Number of Non-contributory Defined Benefit Plans     2  
Assets for Plan Benefits, Defined Benefit Plan   $ 100    
Liability, Defined Benefit Plan, Total   1,000    
Accumulated Other Comprehensive Income (Loss), Unrecognized Net Actuarial Losses, Net of Tax $ 1,500 1,500 $ 1,500  
Defined Benefit Plan, Accumulated Benefit Obligation 6,100 4,800 6,100  
Defined Benefit Plan, Plan Assets, Amount, Ending Balance $ 5,100 4,900 5,100  
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total   $ 100 $ 100 $ 0
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate 2.41% 4.89% 2.41%  
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets   7.00% 7.00%  
Non-qualified Retirement Savings Plan [Member] | Other Long-term Liabilities [Member]        
Deferred Compensation Liability, Classified, Noncurrent, Total $ 4,300 $ 3,600 $ 4,300