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Other Comprehensive Income (Loss) | 12 Months Ended
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Dec. 31, 2020
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Other comprehensive income (loss) |
16. | Other Comprehensive Income (Loss)
The changes in accumulated other comprehensive income (loss) for the years ended December 31, 2020, 2019 and 2018 were as follows:
|  | Foreign Currency Translation Adjustments |  |  | Derivative Financial Instruments Designated as Cash Flow Hedges |  |  | Total |
(in thousands) |  |  |  |  |  |  |  |  |
Balance at December 31, 2017 |  | $ | 10 |  |  | $ | 7 |  |  | $ | 17 |
Gain (loss) arising during the period |  |  | (207 | ) |  |  | 98 |  |  |  | (109 | )
Reclassification to earnings for (loss) realized |  |  | — |  |  |  | (2 | ) |  |  | (2 | )
Income tax (expense) |  |  | — |  |  |  | (25 | ) |  |  | (25 | )
Net other comprehensive income (loss) – year 2018 |  |  | (207 | ) |  |  | 71 |  |  |  | (136 | )
Balance at December 31, 2018 |  | $ | (197 | ) |  | $ | 78 |  |  | $ | (119 | )
(Loss) arising during the period |  |  | (129 | ) |  |  | (181 | ) |  |  | (310 | )
Reclassification to earnings for gains realized |  |  | — |  |  |  | 32 |  |  |  | 32 |
Income tax benefit |  |  | — |  |  |  | 39 |  |  |  | 39 |
Net other comprehensive (loss) – year 2019 |  |  | (129 | ) |  |  | (110 | ) |  |  | (239 | )
Balance at December 31, 2019 |  | $ | (326 | ) |  | $ | (32 | ) |  | $ | (358 | )
(Loss) arising during the period |  |  | (187 | ) |  |  | (113 | ) |  |  | (300 | )
Reclassification to earnings for gains realized |  |  | — |  |  |  | 121 |  |  |  | 121 |
Income tax (expense) |  |  | — |  |  |  | (2 | ) |  |  | (2 | )
Net other comprehensive income (loss) – year 2020 |  |  | (187 | ) |  |  | 6 |  |  |  | (181 | )
Balance at December 31, 2020 |  | $ | (513 | ) |  | $ | (26 | ) |  | $ | (539 | )
Generally, the assets and liabilities of foreign operations are translated into U.S. dollars using the current exchange rate. For those operations, changes in exchange rates generally do not affect cash flows; therefore, resulting translation adjustments are made in shareholders’ equity rather than in net income. See Note 13 for information regarding hedging activities.

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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