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v2.4.0.6

Reserves For Claims (Narrative) (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Realized claim recoveries | $ 1,324,000 | $ 1,488,000
Provision rate for title insurance claims | 5.90% | 4.10%
Minimum [Member] |  |
Large claim threshold | $ 250,000 |

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- Definition Large claim threshold + References No definition available. + Details
Name: | itic_LargeClaimThreshold
Namespace Prefix: | itic_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Provision rate for title insurance claims + References No definition available. + Details
Name: | itic_ProvisionRateForTitleInsuranceClaims
Namespace Prefix: | itic_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Realized claim recoveries + References No definition available. + Details
Name: | itic_RealizedClaimRecoveries
Namespace Prefix: | itic_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration