Summary of Significant Accounting Policies - Narrative (Detail)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Accounting Policies [Abstract]
Changes in fair value, location	Marketplace revenue	Marketplace revenue
Minimum
Class of Stock [Line Items]
Property and equipment, estimated useful life	3 years
Maximum
Class of Stock [Line Items]
Property and equipment, estimated useful life	5 years