Cover Page - USD ($)	12 Months Ended
	Dec. 31, 2021	Feb. 17, 2022	Jun. 30, 2021
Entity Information [Line Items]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2021
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	0-11774
Entity Registrant Name	INVESTORS TITLE CO
Entity Incorporation, State or Country Code	NC
Entity Tax Identification Number	56-1110199
Entity Address, Address Line One	121 North Columbia Street
Entity Address, City or Town	Chapel Hill
Entity Address, State or Province	NC
Entity Address, Postal Zip Code	27514
City Area Code	919
Local Phone Number	968-2200
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	true
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 245,803,076
Entity Common Stock, Shares Outstanding		1,896,470
Documents Incorporated by Reference	Portions of Investors Title Company’s definitive proxy statement for the Annual Meeting of Shareholders to be held May 18, 2022 are incorporated by reference in Part III hereof.
Amendment Flag	false
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2021
Entity Central Index Key	0000720858
Common Stock
Entity Information [Line Items]
Title of 12(b) Security	Common Stock, no par value
Trading Symbol	ITIC
Security Exchange Name	NASDAQ
Rights To Purchase Series A Junior Participating Preferred Stock
Entity Information [Line Items]
Title of 12(b) Security	Rights to Purchase Series A Junior Participating Preferred Stock
Security Exchange Name	NASDAQ
No Trading Symbol Flag	true