Consolidated Statements Of Cash Flows (Parenthetical) (USD $)	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010
Consolidated Statements Of Cash Flows
Non cash net unrealized (gain) loss on investments, deferred tax (provision) benefit	$ (557,803)	$ 75,554

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itic_DeferredTaxProvisionRelatedToUnrealizedGainLossOnInvestments

Namespace Prefix:

itic

Data Type:

xbrli:monetaryItemType

Balance Type:

debit

Period Type:

duration