Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2023	Feb. 26, 2024	Jun. 30, 2023
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	FY
Document Fiscal Year Focus	2023
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2023
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 Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction [Flag]	false
Entity Shell Company	false
Entity Public Float			$ 369,100,000
Auditor Firm ID	248
Auditor Name	Grant Thornton LLP
Auditor Location	Charlotte, North Carolina
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		10,721,517