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Consolidated Statements Of Cash Flows (Parenthetical) (USD $) | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Statement of Cash Flows [Abstract] |  |
Non cash net unrealized gain on investments, deferred tax provision | $ (7,267) | $ (823,883)

X
- Definition The amount of deferred tax provision resulting from unrealized gains and losses during the period. + References No definition available. + Details
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Namespace Prefix: | itic_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | us-gaap_StatementOfCashFlowsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration