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Accumulated Other Comprehensive (Loss) Income (Tables) | 12 Months Ended
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Dec. 31, 2019
Accumulated Other Comprehensive (Loss) Income |
Schedule of accumulated other comprehensive (loss) income | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ |  | Unrealized |  | Foreign |  | ​ | ​
​ | ​ | Pension | ​ | Gain (Loss) On | ​ | Currency | ​ | ​ | ​
​ |  | Adjustment |  | Securities |  | Translation |  | Total
Balance at December 31, 2017 | ​ | $ | (14,470) | ​ | $ | 15 | ​ | $ | (2,247) | ​ | $ | (16,702)
Change during 2018: | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |
Before-tax amount | ​ | ​ | (2,712) | ​ | ​ | (15) | ​ | ​ | (621) | ​ | ​ | (3,348)
Tax (expense) benefit |  | ​ | 665 |  | ​ | — |  | ​ | — |  | ​ | 665
Reclassification adjustment, net of taxes: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Amortization of net loss (1) |  | ​ | 639 |  | ​ | — |  | ​ | — |  | ​ | 639
Total activity in 2018 |  | ​ | (1,408) |  | ​ | (15) |  | ​ | (621) |  | ​ | (2,044)
Balance at December 31, 2018 | ​ | $ | (15,878) | ​ | $ | — | ​ | $ | (2,868) | ​ | $ | (18,746)
Change during 2019: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Before-tax amount | ​ |  | (3,962) | ​ |  | — | ​ |  | 553 | ​ |  | (3,409)
Tax (expense) benefit | ​ |  | 970 | ​ |  | — | ​ |  | — | ​ |  | 970
Adoption of accounting standard (note 1) | ​ | ​ | (2,732) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (2,732)
Reclassification adjustment, net of taxes: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Amortization of net loss (1) | ​ |  | 694 | ​ |  | — | ​ |  | — | ​ |  | 694
Total activity in 2019 | ​ |  | (5,030) | ​ |  | — | ​ |  | 553 | ​ |  | (4,477)
Balance at December 31, 2019 | ​ | $ | (20,908) | ​ | $ | — | ​ | $ | (2,315) | ​ | $ | (23,223)
​ (1) Reported as part of selling, general and administrative expenses.

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: 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=118930883&loc=SL7669686-108580 + Details
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