Acquisition - Summary of Preliminary Identifiable Intangible Assets Acquired and their Estimated Weighted Average Useful Life (Details) - Vast Holdings, Inc. (“d/b/a CarStory”) $ in Thousands	Jan. 07, 2021 USD ($)
Acquired Finite Lived Intangible Assets [Line Items]
Fair Value	$ 34,300
Developed Technology
Acquired Finite Lived Intangible Assets [Line Items]
Fair Value	$ 25,700
Weighted Average Useful Life	5 years
Trademarks
Acquired Finite Lived Intangible Assets [Line Items]
Fair Value	$ 5,200
Weighted Average Useful Life	8 years
Customer Relationships
Acquired Finite Lived Intangible Assets [Line Items]
Fair Value	$ 3,400
Weighted Average Useful Life	8 years