Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Income and Total Comprehensive Income (Parentheticals)

v3.20.4
Consolidated Statements of Income and Total Comprehensive Income (Parentheticals) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Statement [Abstract]      
Amortization of net actuarial costs and prior service costs, income taxes $ (14) $ (10) $ (14)
Net actuarial (loss) gain on pension plan, income taxes $ (342) $ 111 $ (38)