XML 84 R72.htm IDEA: XBRL DOCUMENT v3.20.4
(11) Employee Benefits (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Retirement Benefits [Abstract]      
401(k) plan contributions $ 1,400 $ 1,600 $ 1,500
Expected long term rate of return 7.25% 7.25%  
Estimated net loss amortized into net periodic benefit cost $ 148