XML 60 R50.htm IDEA: XBRL DOCUMENT
v3.20.2

Investments In Securities and Fair Value (Schedule of Measurement Alternative Investments) (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2020 | Dec. 31, 2019
Measurement Alternative Investments |  |
Beginning of Period | $ 7,899 | $ 6,589
Amounts Impaired | 0 | 0
Observable Changes | 0 | 0
Purchases and Additional Commitments Paid | 642 | 2,241
Sales, Returns of Capital and Other Reductions | (32) | (931)
End of Period | $ 8,509 | $ 7,899

X
- Definition Other Equity Investments, Impairment + References No definition available. + Details
Name: | itic_OtherEquityInvestmentsImpairment
Namespace Prefix: | itic_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Other Equity Investments, Observable Changes + References No definition available. + Details
Name: | itic_OtherEquityInvestmentsObservableChanges
Namespace Prefix: | itic_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Other Equity Investments, Purchases and Additional Commitments Paid + References No definition available. + Details
Name: | itic_OtherEquityInvestmentsPurchasesandAdditionalCommitmentsPaid
Namespace Prefix: | itic_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Other Equity Investments, Sales, Returns of Capital, and Other Reductions + References No definition available. + Details
Name: | itic_OtherEquityInvestmentsSalesReturnsofCapitalandOtherReductions
Namespace Prefix: | itic_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value portion of investments in an entity not consolidated. Includes, but is not limited to, investments in an entity that is affiliated with the reporting entity by means of direct or indirect ownership, an entity in which the reporting entity shares control of the entity with another party or group, an entity which the company has significant influence, but does not have control and subsidiaries that are not required to be consolidated and are accounted for using the equity or cost method. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration