v3.20.4

Goodwill and intangible assets - Carrying Amount (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Intangible assets |  |  |
Historical Cost | $ 33,012 | $ 36,413 |
Accumulated Amortization | (22,360) | (21,473) |
Net | 10,652 | 14,940 | $ 19,152
Venue contracts |  |  |
Intangible assets |  |  |
Historical Cost | 19,710 | 20,431 |
Accumulated Amortization | (16,030) | (15,247) |
Net | 3,680 | 5,184 |
Backlog |  |  |
Intangible assets |  |  |
Historical Cost | 7,388 | 7,388 |
Accumulated Amortization | (3,578) | (2,104) |
Net | 3,810 | 5,284 |
Customer and partner relationships |  |  |
Intangible assets |  |  |
Historical Cost | 3,780 | 3,780 |
Accumulated Amortization | (962) | (584) |
Net | 2,818 | 3,196 |
Non-compete agreements, technology and other |  |  |
Intangible assets |  |  |
Historical Cost | 2,134 | 4,814 |
Accumulated Amortization | (1,790) | (3,538) |
Net | $ 344 | $ 1,276 |

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