XML 87 R76.htm IDEA: XBRL DOCUMENT v3.21.2
Income Taxes - Income Tax Expense in Other Comprehensive (Loss) Income (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Income Tax Disclosure [Abstract]        
Unrealized change in cash flow hedging instruments $ 199 $ (160) $ 42 $ 235
Realized change in cash flow hedging instruments 82 (29) 358 (211)
Reclassification of unrealized change in ineffective cash flow hedging instruments 7   83  
Defined benefit and postretirement benefit plans (12)   (37) 40
Income tax effect on other comprehensive income (loss) $ 276 $ (189) $ 446 $ 64