XML 56 R44.htm IDEA: XBRL DOCUMENT
v3.20.2

Investments In Securities and Fair Value (Schedule Of Unrealized Losses On Investments) (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Government obligations |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total temporarily impaired securities, Less than 12 Months, Fair Value |  | $ 12,045
Total temporarily impaired securities, Less than 12 Months, Unrealized Losses |  | (4)
Total temporarily impaired securities, 12 Months or Longer, Fair Value |  | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | 0
Total temporarily impaired securities, Total Fair Value |  | 12,045
Total temporarily impaired securities, Unrealized Losses |  | (4)
Special revenue issuer obligations of U.S. states, territories and political subdivisions |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total temporarily impaired securities, Less than 12 Months, Fair Value | $ 0 | 1,101
Total temporarily impaired securities, Less than 12 Months, Unrealized Losses | 0 | (17)
Total temporarily impaired securities, 12 Months or Longer, Fair Value | 1,103 | 1,118
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (3) | (3)
Total temporarily impaired securities, Total Fair Value | 1,103 | 2,219
Total temporarily impaired securities, Unrealized Losses | (3) | (20)
Corporate debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total temporarily impaired securities, Less than 12 Months, Fair Value |  | 413
Total temporarily impaired securities, Less than 12 Months, Unrealized Losses |  | (5)
Total temporarily impaired securities, 12 Months or Longer, Fair Value |  | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | 0
Total temporarily impaired securities, Total Fair Value |  | 413
Total temporarily impaired securities, Unrealized Losses |  | (5)
Total temporarily impaired securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total temporarily impaired securities, Less than 12 Months, Fair Value | 0 | 13,559
Total temporarily impaired securities, Less than 12 Months, Unrealized Losses | 0 | (26)
Total temporarily impaired securities, 12 Months or Longer, Fair Value | 1,103 | 1,118
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (3) | (3)
Total temporarily impaired securities, Total Fair Value | 1,103 | 14,677
Total temporarily impaired securities, Unrealized Losses | $ (3) | $ (29)

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27337-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_ScheduleOfAvailableForSaleSecuritiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_SovereignDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=itic_IssuerObligationsUsStatesAndPoliticalSubdivisionsDebtSecuritiesSpecialRevenuesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_FixedIncomeSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |