Restructuring Activities	9 Months Ended
Sep. 30, 2020
Restructuring And Related Activities [Abstract]
Restructuring Activities	5. Restructuring Activities 2020 Restructuring Plan During the three months ended September 30, 2020, the Company commenced the implementation of a restructuring and reduction-in- force plan to reduce the Company’s operating costs and address the impact of the COVID-19 pandemic, which is expected to result in the reduction of the Company’s global workforce by approximately 60 employees, approximately half of which are located outside of the United States. The majority of the planned workforce reductions were completed by September 30, 2020 with the remainder expected to be completed over the next few quarters. 2019 Restructuring Plan During the three months ended December 31, 2019, the Company initiated an organizational restructuring plan (the “2019 Restructuring Plan”) designed to reduce operating expenses in response to declines in revenues. The 2019 Restructuring Plan included a headcount reduction of approximately 6% of the Company’s workforce and the closure of certain leased facilities. Actions pursuant to the 2019 Restructuring Plan were substantially complete as of December 31, 2019, and further costs associated with this plan are not expected to be material in future periods. 2018 Restructuring Plan In January 2018, the Company initiated an organizational restructuring plan (the “2018 Restructuring Plan”) designed to reduce operating expenses in response to declines in revenues. The 2018 Restructuring Plan included a headcount reduction of approximately 13% of the Company’s workforce, the closure of certain leased facilities and the consolidation of space in the Company’s San Francisco headquarters. Actions pursuant to the 2018 Restructuring Plan were substantially complete as of June 30, 2019, and no further costs associated with this plan are expected. The Company initiated certain other organizational restructuring plans during 2018 that also aimed to reduce operating expenses and primarily consisted of further headcount reductions. For the three and nine months ended September 30, 2020, the Company recorded $1,051 of restructuring-related expenses in connection with the 2020 Restructuring Plan and an additional $43 for the nine months ended September 30, 2020 in connection with the 2019 Restructuring Plan in the accompanying condensed consolidated statements of comprehensive loss. For the three and nine months ended September 30, 2019, the Company recorded $0 and $229, respectively of restructuring-related expenses in connection with the 2018 Restructuring Plan, as well as other organizational restructuring plans, in the accompanying condensed consolidated statements of comprehensive loss.

Restructuring Activities

9 Months Ended

Sep. 30, 2020

Restructuring And Related Activities [Abstract]

5. Restructuring Activities

2020 Restructuring Plan

During the three months ended September 30, 2020, the Company commenced the implementation of a restructuring and reduction-in- force plan to reduce the Company’s operating costs and address the impact of the COVID-19 pandemic, which is expected to result in the reduction of the Company’s global workforce by approximately 60 employees, approximately half of which are located outside of the United States. The majority of the planned workforce reductions were completed by September 30, 2020 with the remainder expected to be completed over the next few quarters.

2019 Restructuring Plan

During the three months ended December 31, 2019, the Company initiated an organizational restructuring plan (the “2019 Restructuring Plan”) designed to reduce operating expenses in response to declines in revenues. The 2019 Restructuring Plan included a headcount reduction of approximately 6% of the Company’s workforce and the closure of certain leased facilities. Actions pursuant to the 2019 Restructuring Plan were substantially complete as of December 31, 2019, and further costs associated with this plan are not expected to be material in future periods.

2018 Restructuring Plan

In January 2018, the Company initiated an organizational restructuring plan (the “2018 Restructuring Plan”) designed to reduce operating expenses in response to declines in revenues. The 2018 Restructuring Plan included a headcount reduction of approximately 13% of the Company’s workforce, the closure of certain leased facilities and the consolidation of space in the Company’s San Francisco headquarters. Actions pursuant to the 2018 Restructuring Plan were substantially complete as of June 30, 2019, and no further costs associated with this plan are expected. The Company initiated certain other organizational restructuring plans during 2018 that also aimed to reduce operating expenses and primarily consisted of further headcount reductions.

For the three and nine months ended September 30, 2020, the Company recorded $1,051 of restructuring-related expenses in connection with the 2020 Restructuring Plan and an additional $43 for the nine months ended September 30, 2020 in connection with the 2019 Restructuring Plan in the accompanying condensed consolidated statements of comprehensive loss. For the three and nine months ended September 30, 2019, the Company recorded $0 and $229, respectively of restructuring-related expenses in connection with the 2018 Restructuring Plan, as well as other organizational restructuring plans, in the accompanying condensed consolidated statements of comprehensive loss.