v3.20.4

Property and equipment (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Jan. 01, 2021
Property and equipment |  |  |  |
Total property and equipment | $ 797,143 | $ 708,431 |  |
Less: accumulated depreciation and amortization | (390,815) | (328,188) |  |
Total property and equipment, net | 406,328 | 380,243 |  | $ 406,328
Depreciation and amortization expense |  |  |  |
Depreciation and amortization of property and equipment | 78,313 | 70,862 | $ 78,837 |
Asset impairment charge |  |  |  |
Losses on disposals of property and equipment | 39 |  | 90 |
Construction in progress projects |  |  |  |
Asset impairment charge |  |  |  |
Impairment losses | 23 | 370 | $ 148 |
Leasehold improvements |  |  |  |
Property and equipment |  |  |  |
Total property and equipment | 596,242 | 550,427 |  |
Construction in progress |  |  |  |
Property and equipment |  |  |  |
Total property and equipment | 118,055 | 78,343 |  |
Software |  |  |  |
Property and equipment |  |  |  |
Total property and equipment | 65,532 | 60,814 |  |
Computer equipment |  |  |  |
Property and equipment |  |  |  |
Total property and equipment | 14,808 | 16,707 |  |
Furniture, fixtures and office equipment |  |  |  |
Property and equipment |  |  |  |
Total property and equipment | $ 2,506 | $ 2,140 |  |

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