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Goodwill and Intangible Assets - Changes in Goodwill (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2020
Goodwill [Roll Forward] |  |
Balance at September 30, 2019 | $ 32,636 | $ 32,636
Other adjustments |  | 806
Foreign currency effect on goodwill |  | 2,227
Balance at September 30, 2020 |  | $ 35,669
A2iA |  |
Goodwill [Roll Forward] |  |
Other adjustments | $ 800 |

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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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