Cover - shares	3 Months Ended
	Mar. 31, 2022	May 06, 2022
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2022
Document Transition Report	false
Entity File Number	001-38818
Entity Registrant Name	CarLotz, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	83-2456129
Entity Address, Address Line One	3301 W. Moore Street
Entity Address, City or Town	Richmond
Entity Address, State or Province	VA
Entity Address, Postal Zip Code	23230
City Area Code	804
Local Phone Number	510-0744
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		114,218,814
Amendment Flag	false
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q1
Current Fiscal Year End Date	--12-31
Entity Central Index Key	0001759008
Common Class A
Document Information [Line Items]
Title of 12(b) Security	Class A common stock, par value $0.0001 per share
Trading Symbol	LOTZ
Security Exchange Name	NASDAQ
Redeemable warrants, exercisable for Class A common stock at an exercise price of $11.50 per shar
Document Information [Line Items]
Title of 12(b) Security	Redeemable warrants, exercisable for Class A common stock at an exercise price of $11.50 per share
Trading Symbol	LOTZW
Security Exchange Name	NASDAQ