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ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME | 6 Months Ended
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Jun. 30, 2019
ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME |
ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME | 12. ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME Accumulated other comprehensive (loss) income consists of the following (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Foreign | ​ | ​ | ​
​ | ​ | Pension | ​ | Currency | ​ | ​ | ​
​ |  | Adjustment |  | Translation |  | Total
Balance at December 31, 2018 | ​ | $ | (15,878) | ​ | $ | (2,868) | ​ | $ | (18,746)
Change during the period: | ​ |  | ​ | ​ |  |  | ​ |  |
Before-tax amount | ​ |  | — | ​ |  | 431 | ​ |  | 431
Adoption of accounting standard (Note 2) | ​ | ​ | (2,732) | ​ | ​ | ​ | ​ | ​ | (2,732)
Reclassification adjustment, net of taxes: | ​ |  | ​ | ​ |  |  | ​ |  | ​
Amortization of net loss (1) | ​ |  | 347 | ​ |  | — | ​ |  | 347
Total activity for the period | ​ |  | (2,385) | ​ |  | 431 | ​ |  | (1,954)
Balance at June 30, 2019 | ​ | $ | (18,263) | ​ | $ | (2,437) | ​ | $ | (20,700)
(1) | Reported as part of selling, general and administrative expenses.
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | 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 the period: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Before-tax amount | ​ |  | — | ​ |  | (15) | ​ |  | (415) | ​ |  | (430)
Reclassification adjustment, net of taxes: | ​ |  | ​ | ​ |  | ​ | ​ |  |  | ​ |  | ​
Amortization of net loss (1) | ​ |  | 328 | ​ |  | — | ​ |  | — | ​ |  | 328
Total activity for the period | ​ |  | 328 | ​ |  | (15) | ​ |  | (415) | ​ |  | (102)
Balance at June 30, 2018 | ​ | $ | (14,142) | ​ | $ | — | ​ | $ | (2,662) | ​ | $ | (16,804)
(1) | Reported as part of selling, general and administrative expenses.
As of January 1, 2018, the balance related to the cumulative unrealized gain on marketable securities included in accumulated other comprehensive income was reclassed upon adoption of ASU 2016-1, Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities. ​ In the first quarter of 2019, the Company adopted the provisions of ASU 2018-02, which provides an option to reclassify stranded tax effects within accumulated other comprehensive income/(loss) (AOCI) to retained earnings due to the change in the U.S. federal tax rate as a result of the Tax Cuts and Jobs Act, which took effect in January 2018. Accordingly, the Company elected to reclassify approximately $2.7 million of stranded tax effects related to its pension plan from AOCI to retained earnings.

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