Income Taxes	3 Months Ended
	Mar. 31, 2022
Income Tax Disclosure [Abstract]
Income Taxes	Income TaxesProvision for income taxes for the three months ended March 31, 2022 was $31 thousand, and the effective tax rate for this period was 0%. Provision for income taxes for the three months ended March 31, 2021 was $23 thousand, and the effective tax rate for this period was 0.1%. The difference between Sonder’s effective tax rate and the U.S. statutory rate of 21% was primarily due to a full valuation allowance related to Sonder’s net deferred tax assets.