Segment Information Selected Financial Information By Segment (Details) (USD $)	12 Months Ended
Dec. 31, 2014 segment	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Insurance And Other Services Revenue	$ 118,591,491itic_InsuranceAndOtherServicesRevenue	$ 122,161,089itic_InsuranceAndOtherServicesRevenue	$ 110,032,442itic_InsuranceAndOtherServicesRevenue
Number of reportable segments	1us-gaap_NumberOfReportableSegments
Insurance and other services revenues	123,119,286us-gaap_Revenues	126,251,497us-gaap_Revenues	115,079,092us-gaap_Revenues
Investment income – interest and dividends	4,259,501	3,894,608	3,980,411
Net realized gain (loss) on investments	268,294us-gaap_GainLossOnInvestments	195,800us-gaap_GainLossOnInvestments	1,066,239us-gaap_GainLossOnInvestments
Total Revenues	123,119,286us-gaap_Revenues	126,251,497us-gaap_Revenues	115,079,092us-gaap_Revenues
Operating expenses	109,630,788us-gaap_BenefitsLossesAndExpenses	104,708,759us-gaap_BenefitsLossesAndExpenses	98,999,185us-gaap_BenefitsLossesAndExpenses
Income (loss) before income taxes	13,488,498	21,542,738	16,079,907
Total assets	198,039,210us-gaap_Assets	188,305,816us-gaap_Assets	171,918,276us-gaap_Assets
Title Insurance
Segment Reporting Information [Line Items]
Insurance And Other Services Revenue	114,279,532	118,153,904	106,496,802
Insurance and other services revenues	118,328,450	121,978,671	110,420,295
Investment income – interest and dividends	3,835,209	3,599,106	3,492,998
Net realized gain (loss) on investments	213,709	225,661	430,495
Total Revenues	118,328,450	121,978,671	110,420,295
Operating expenses	105,290,627	99,899,804	94,909,649
Income (loss) before income taxes	13,037,823	22,078,867	15,510,646
Total assets	153,072,950	146,110,146	136,042,848
All Other
Segment Reporting Information [Line Items]
Insurance And Other Services Revenue	5,904,059	5,507,069	4,931,574
Insurance and other services revenues	6,476,272	5,866,046	6,139,317
Investment income – interest and dividends	517,628	388,838	571,999
Net realized gain (loss) on investments	54,585	(29,861)	635,744
Total Revenues	6,476,272	5,866,046	6,139,317
Operating expenses	5,862,577	6,239,155	5,433,207
Income (loss) before income taxes	613,695	(373,109)	706,110
Total assets	44,966,260	42,195,670	35,875,428
Intersegment Eliminations
Segment Reporting Information [Line Items]
Insurance And Other Services Revenue	(1,592,100)	(1,499,884)	(1,395,934)
Insurance and other services revenues	(1,685,436)	(1,593,220)	(1,480,520)
Investment income – interest and dividends	(93,336)	(93,336)	(84,586)
Net realized gain (loss) on investments	0	0	0
Total Revenues	(1,685,436)	(1,593,220)	(1,480,520)
Operating expenses	(1,522,416)	(1,430,200)	(1,343,671)
Income (loss) before income taxes	(163,020)	(163,020)	(136,849)
Total assets	$ 0	$ 0	$ 0

Revenue from net title insurance premiums written and other services.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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The total amount of expense recognized during the period for future policy benefits, claims and claims adjustment costs, and for selling, general and administrative costs.

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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