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Accumulated Other Comprehensive Income (Loss)
3 Months Ended
Mar. 31, 2021
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Accumulated Other Comprehensive Income (Loss) ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
The following table presents changes in Accumulated Other Comprehensive Income (Loss), net of tax, for the three months ended March 31, 2021 and 2020 (in thousands):
2020:Derivative
Hedging
Activities
Post Retirement
Benefit Plan
Items(A)
Accumulated
Other
Comprehensive
Income (Loss)
Balance at December 31, 2019$(191)$1,561 $1,370 
Other comprehensive loss before reclassifications
(2,578)— (2,578)
Amounts reclassified from accumulated other comprehensive income (loss)
121 (79)42 
Income tax benefit
538 17 555 
Balance at March 31, 2020$(2,110)$1,499 $(611)
2021:
Balance at December 31, 2020$— $1,375 $1,375 
Other comprehensive loss before reclassifications
— — — 
Amounts reclassified from accumulated other comprehensive income (loss)
— (81)(81)
Income tax benefit
— 17 17 
Balance at March 31, 2021$— $1,311 $1,311 
(A)The effect of post-retirement benefit items reclassified from Accumulated Other Comprehensive Income (Loss) is included in other income and expense on the Consolidated Statements of Operations. These Accumulated Other Comprehensive Income (Loss) components are included in the computation of net periodic benefit cost (see Note 10, "Post Retirement Benefits" for additional details). The tax effect of post-retirement benefit items reclassified from Accumulated Other Comprehensive Income (Loss) is included in income tax expense on the Consolidated Statements of Operations