XML 70 R56.htm IDEA: XBRL DOCUMENT
v3.19.1

Investments in Securities and Fair Value Investments in Securities (Schedule of Variable Interest Entities) (Details) - Other Investments $ in Thousands | Dec. 31, 2018 USD ($)
--- | ---
Variable Interest Entity [Line Items] |
Variable Interest Entity, Nonconsolidated, Carrying Value | $ 10,344
Variable Interest Entity, Nonconsolidated, Estimated Fair Value | 11,086
Variable Interest Entity, Reporting Entity Involvement, Maximum Potential Loss | 18,485
Variable Interest Entity, Not Primary Beneficiary, Tax Credit LP |
Variable Interest Entity [Line Items] |
Variable Interest Entity, Nonconsolidated, Carrying Value | 629
Variable Interest Entity, Nonconsolidated, Estimated Fair Value | 629
Variable Interest Entity, Reporting Entity Involvement, Maximum Potential Loss | 1,325
Variable Interest Entity, Not Primary Beneficiary, Real Estate LLC or LP |
Variable Interest Entity [Line Items] |
Variable Interest Entity, Nonconsolidated, Carrying Value | 5,073
Variable Interest Entity, Nonconsolidated, Estimated Fair Value | 6,093
Variable Interest Entity, Reporting Entity Involvement, Maximum Potential Loss | 8,250
Variable Interest Entity, Not Primary Beneficiary, Small Business Investment LLCs or LPs |
Variable Interest Entity [Line Items] |
Variable Interest Entity, Nonconsolidated, Carrying Value | 4,642
Variable Interest Entity, Nonconsolidated, Estimated Fair Value | 4,364
Variable Interest Entity, Reporting Entity Involvement, Maximum Potential Loss | $ 8,910

X
- Definition Estimated fair value amount of the assets in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), where the reporting entity is not the VIE's primary beneficiary. + References No definition available. + Details
Name: | itic_VariableInterestEntityNonconsolidatedFairValueAmountAssets
Namespace Prefix: | itic_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=108788376&loc=d3e5747-111685 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph b -URI http://asc.fasb.org/extlink&oid=108788376&loc=d3e5728-111685 + Details
Name: | us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_VariableInterestEntityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying amount of the assets in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), where the reporting entity is not the VIE's primary beneficiary. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph a -URI http://asc.fasb.org/extlink&oid=108788376&loc=d3e5728-111685 + Details
Name: | us-gaap_VariableInterestEntityNonconsolidatedCarryingAmountAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=itic_VariableInterestEntityNotPrimaryBeneficiaryTaxCreditLpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=itic_VariableInterestEntityNotPrimaryBeneficiaryRealEstateLLCorLPMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=itic_VariableInterestEntityNotPrimaryBeneficiarySmallBusinessInvestmentLPMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |