Schedule II [Disclosure] - Notes to Condensed Financial Statements (Details) - USD ($)		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Condensed Financial Statements, Captions [Line Items]
Cash dividends paid to parent by wholly owned subsidiaries		$ 17,330,948	$ 7,630,835	$ 5,051,664
Investors Title Insurance Company, net
Condensed Financial Statements, Captions [Line Items]
Cash dividends paid (received) to (from) Parent Company	[1]	15,838,248	7,134,823	4,906,664
Cash dividends paid to parent by wholly owned subsidiaries		16,048,255	7,251,493	5,000,000
Dividend received from parent company		210,007	116,670	93,336
Investors Title Exchange Corporation
Condensed Financial Statements, Captions [Line Items]
Cash dividends paid to parent by wholly owned subsidiaries		100,000	245,000	50,000
Investors Title Accommodation Corporation
Condensed Financial Statements, Captions [Line Items]
Cash dividends paid to parent by wholly owned subsidiaries		45,000	12,000	10,000
Investors Capital Management Company
Condensed Financial Statements, Captions [Line Items]
Cash dividends paid to parent by wholly owned subsidiaries		0	9,012	40,000
Investors Trust Company
Condensed Financial Statements, Captions [Line Items]
Cash dividends paid to parent by wholly owned subsidiaries		750,000	0	0
Investors Title Commercial Agency, LLC
Condensed Financial Statements, Captions [Line Items]
Cash dividends paid to parent by wholly owned subsidiaries		125,000	230,000	45,000
National Investors Holdings [Member]
Condensed Financial Statements, Captions [Line Items]
Cash dividends paid to parent by wholly owned subsidiaries		$ 472,700	$ 0	$ 0

[1] Total dividends of $16,048,255, $7,251,493 and $5,000,000 paid to the Parent Company in 2016, 2015 and 2014, respectively, netted with dividends of $210,007, $116,670 and $93,336 received from the Parent Company in 2016, 2015 and 2014, respectively.