Segment and Geographical Information - Long-lived Assets (Details) - Geographic Concentration Risk - Net Assets, Geographic Area - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Long-lived assets | $ 109,881 | $ 61,612 |
| Long-lived assets (as a percent) | 100.00% | 100.00% |
| Canada | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Long-lived assets | $ 102,832 | $ 58,460 |
| Long-lived assets (as a percent) | 93.60% | 94.90% |
| United States | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Long-lived assets | $ 4,747 | $ 1,593 |
| Long-lived assets (as a percent) | 4.30% | 2.60% |
| Rest of World | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Long-lived assets | $ 2,302 | $ 1,559 |
| Long-lived assets (as a percent) | 2.10% | 2.50% |