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Accumulated Other Comprehensive Loss (Tables) | 12 Months Ended
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Dec. 31, 2020
Accumulated Other Comprehensive Loss [Abstract] |
Accumulated Other Comprehensive Loss | The following summarizes the changes in the balance and the reclassifications out of accumulated other comprehensive loss on our Consolidated Balance Sheets to the Consolidated Statements of Comprehensive Income:
|  | Year Ended December 31, |
(In thousands) |  | 2020 |  |  | 2019 |  |  | 2018 |
Beginning balance |  | $ | (2,087 | ) |  | $ | (1,465 | ) |  | $ | (2,144 | )
Other comprehensive income (loss) |  |  |  |  |  |  |  |  |  |  |  |
Defined benefit pension plan: |  |  |  |  |  |  |  |  |  |  |  |
Net gain (loss) during year |  |  | (791 | ) |  |  | (906 | ) |  |  | 769 |
Amortization of net loss(1) |  |  | 159 |  |  |  | 46 |  |  |  | 136 |
|  |  | (632 | ) |  |  | (860 | ) |  |  | 905 |
Tax expense (benefit) |  |  | (159 | ) |  |  | (238 | ) |  |  | 226 |
Total other comprehensive income (loss) |  |  | (473 | ) |  |  | (622 | ) |  |  | 679 |
Ending balance |  | $ | (2,560 | ) |  | $ | (2,087 | ) |  | $ | (1,465 | )
(1) | These amounts are included in the computation of net periodic pension costs and were reclassified to selling, general and administrative costs.

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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