STATEMENTS OF COMPREHENSIVE INCOME STATEMENTS OF COMPREHENSIVE INCOME Parenthetical - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2020 |
Jun. 30, 2019 |
|
| STATEMENTS OF COMPREHENSIVE INCOME Parenthetical [Abstract] | ||||
| Pension and other postemployment benefit plans, tax | $ (75) | $ (53) | $ (149) | $ (106) |