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Accumulated Other Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Sep. 30, 2021
Equity [Abstract] |
Changes in Accumulated Other Comprehensive Income (Loss) | The changes in accumulated other comprehensive income (loss) by component for the nine months ended September 30, 2021 and 2020 were as follows:
(in thousands) |  |  | Foreign Currency Translation Adjustments
Balance at December 31, 2020 |  |  | $ | 29 |
Foreign currency translation adjustments, net of tax of $4 |  |  | (11) |
Net current-period other comprehensive income (loss) |  |  | (11) |
Balance at September 30, 2021 |  |  | $ | 18 |
(in thousands) |  |  | Foreign Currency Translation Adjustments
Balance at December 31, 2019 |  |  | $ | 9 |
Foreign currency translation adjustments, net of tax of $3 |  |  | (9) |
Net current-period other comprehensive income (loss) |  |  | (9) |
Balance at September 30, 2020 |  |  | $ | 0 |

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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=124509347&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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