Restructuring	12 Months Ended
Dec. 31, 2021
Restructuring and Related Activities [Abstract]
Restructuring	Restructuring During the year ended December 31, 2020, the Company experienced significant economic challenges associated with a severe decline in bookings, resulting primarily from COVID-19 and overall global travel restrictions. To address these impacts, in May 2020, the Company’s management approved a restructuring plan to realign the Company’s business and strategic priorities based on the current market and economic conditions as a result of COVID-19. This worldwide restructuring plan included a 25% reduction in the number of full-time employees, or approximately 1,800 employees, as well as a reduction in the contingent workforce and amendments to certain commercial agreements. These restructuring expenses are included in the Company’s consolidated statements of operations, and unpaid amounts are included in accrued expenses and other current liabilities on its consolidated balance sheets. The cumulative restructuring charges as of December 31, 2021 was $264.2 million, for which the majority of these restructuring actions were completed in 2020. For the year ended December 31, 2020, the Company incurred $151.4 million in restructuring charges, of which $103.8 million was related to severance and other employee costs, $35.8 million was related to lease impairments, and $11.8 million was primarily related to contract amendments and terminations. For the year ended December 31, 2021, the Company incurred $112.8 million in restructuring charges, including $75.3 million related to impairments of operating lease ROU assets and $37.2 million related to impairments of leasehold improvements. As of December 31, 2021, the restructuring liabilities were not material.

Restructuring

12 Months Ended

Dec. 31, 2021

Restructuring and Related Activities [Abstract]

Restructuring During the year ended December 31, 2020, the Company experienced significant economic challenges associated with a severe decline in bookings, resulting primarily from COVID-19 and overall global travel restrictions. To address these impacts, in May 2020, the Company’s management approved a restructuring plan to realign the Company’s business and strategic priorities based on the current market and economic conditions as a result of COVID-19. This worldwide restructuring plan included a 25% reduction in the number of full-time

employees, or approximately 1,800 employees, as well as a reduction in the contingent workforce and amendments to certain commercial agreements. These restructuring expenses are included in the Company’s consolidated statements of operations, and unpaid amounts are included in accrued expenses and other current liabilities on its consolidated balance sheets. The cumulative restructuring charges as of December 31, 2021 was $264.2 million, for which the majority of these restructuring actions were completed in 2020.

For the year ended December 31, 2020, the Company incurred $151.4 million in restructuring charges, of which $103.8 million was related to severance and other employee costs, $35.8 million was related to lease impairments, and $11.8 million was primarily related to contract amendments and terminations. For the year ended December 31, 2021, the Company incurred $112.8 million in restructuring charges, including $75.3 million related to impairments of operating lease ROU assets and $37.2 million related to impairments of leasehold improvements. As of December 31, 2021, the restructuring liabilities were not material.