Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2022	Nov. 02, 2022
Document Information [Line Items]
Entity Central Index Key	0000928658
Entity Registrant Name	COVENANT LOGISTICS GROUP, INC.
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2022
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2022
Document Transition Report	false
Entity File Number	0-24960
Entity Incorporation, State or Country Code	NV
Entity Tax Identification Number	88-0320154
Entity Address, Address Line One	400 Birmingham Hwy.
Entity Address, City or Town	Chattanooga
Entity Address, State or Province	TN
Entity Address, Postal Zip Code	37419
City Area Code	423
Local Phone Number	821-1212
Title of 12(b) Security	$0.01 Par Value Class A common stock
Trading Symbol	CVLG
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Common Class B [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		2,350,000
Common Class A [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		11,144,290