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Accumulated Other Comprehensive Income (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Hedging Derivative Activities |  |  |
Beginning balance, Hedging Derivative Activities | $ (191,000) | $ (612,000) |
Other comprehensive income (loss) before reclassifications, Hedging Derivative Activities | (773,000) | 791,000 |
Amounts reclassified from accumulated other comprehensive income (loss), Hedging Derivative Activities | 1,026,000 | 230,000 |
Income tax benefit (expense), hedging activities | (62,000) | (140,000) |
Ending balance, Hedging Derivative Activities | 0 | (191,000) | $ (612,000)
Post Retirement Benefit Plan Items |  |  |
Beginning balance, Post Retirement Benefit Plan Items | 1,561,000 | 2,729,000 |
Other comprehensive income (loss) before reclassifications, Post Retirement Benefit Plan Items | 102,000 | (1,102,000) |
Amounts reclassified from accumulated other comprehensive income (loss), Post Retirement Benefit Plan Items | 315,000 | 379,000 |
Income tax benefit (expense), Post retirement benefits | (27,000) | (313,000) | (123,000)
Ending balance, Post Retirement Benefit Plan Items | 1,375,000 | 1,561,000 | 2,729,000
Accumulated Other Comprehensive Income (Loss) |  |  |
Beginning balance, Accumulated Other Comprehensive Income (Loss) | 1,370,000 | 2,117,000 |
Other comprehensive income (loss) before reclassifications, Accumulated Other Comprehensive Income (Loss) | (671,000) | (311,000) |
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax | 711,000 | (609,000) |
Income tax benefit (expense), Accumulated Other Comprehensive Income (Loss) | 35,000 | (173,000) |
Ending balance, Accumulated Other Comprehensive Income (Loss) | $ 1,375,000 | $ 1,370,000 | $ 2,117,000

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