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Segment and Geographical Information - Long-lived Assets (Details) - Geographic Concentration Risk - Net Assets, Geographic Area - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets | $ 92,104 | $ 111,398
Long-lived assets (as a percent) | 100.00% | 100.00%
Canada |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets | $ 75,283 | $ 104,349
Long-lived assets (as a percent) | 81.70% | 93.60%
United States |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets | $ 6,141 | $ 4,747
Long-lived assets (as a percent) | 6.70% | 4.30%
Rest of World |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets | $ 10,680 | $ 2,302
Long-lived assets (as a percent) | 11.60% | 2.10%

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 + Details
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