Schedule II - Notes to Condensed Financial Statements (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023		Dec. 31, 2022
Condensed Financial Statements, Captions [Line Items]
Cash dividends paid to parent by wholly owned subsidiaries	$ 32,478		$ 55,643
Investors Title Insurance Company, net*
Condensed Financial Statements, Captions [Line Items]
Cash dividends paid to and received from parent company, net	25,478	[1]	48,243
Cash dividends paid to parent by wholly owned subsidiaries	27,181		49,655
Dividend received from parent company	1,703		1,412
Investors Title Exchange Corporation
Condensed Financial Statements, Captions [Line Items]
Cash dividends paid to parent by wholly owned subsidiaries	5,800		4,300
Investors Title Accommodation Corporation
Condensed Financial Statements, Captions [Line Items]
Cash dividends paid to parent by wholly owned subsidiaries	0		100
Investors Trust Company
Condensed Financial Statements, Captions [Line Items]
Cash dividends paid to parent by wholly owned subsidiaries	500		400
Investors Title Commercial Agency, LLC
Condensed Financial Statements, Captions [Line Items]
Cash dividends paid to parent by wholly owned subsidiaries	0		2,600
National Investors Holdings, LLC
Condensed Financial Statements, Captions [Line Items]
Cash dividends paid to parent by wholly owned subsidiaries	$ 700		$ 0

[1] Total dividends of $27,181 and $49,655 paid to the Parent Company in 2023 and 2022, respectively, netted with dividends of $1,703 and $1,412 received from the Parent Company in 2023 and 2022, respectively.