XML 89 R77.htm IDEA: XBRL DOCUMENT v3.20.4
Note 15 - Employee Benefit Plans (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Defined Contribution Plan, Cost $ 900 $ 1,000 $ 1,100
Self-insured Health Insurance Program, Stop Loss Amount 225    
Deferred Compensation Liability, Classified, Noncurrent, Total 3,810 2,788  
Assets for Plan Benefits, Defined Benefit Plan $ 3,700 $ 2,800