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 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Income Statement [Abstract]        
Other comprehensive income - periodic pension costs $ 8 $ 3 $ 15 $ 7