Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Income and Total Comprehensive Income (Parenthetical)

v3.21.2
Condensed Consolidated Statements of Income and Total Comprehensive Income (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Income Statement [Abstract]        
Other comprehensive income - periodic pension costs $ 8 $ 4 $ 23 $ 11