XML 44 R34.htm IDEA: XBRL DOCUMENT
v3.23.3

Investments - Summary of Contractual Maturities of Fixed Maturity Securities (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Amortized Cost |  |
Amortized Cost | $ 2,077,885 | $ 1,633,814
Fair Value |  |
Fair Value | 1,980,439 | 1,545,587
Total fixed maturities |  |
Amortized Cost |  |
Amortized Cost | 1,730,262 | 1,348,684
Fair Value |  |
Fair Value | 1,631,471 | $ 1,259,476
Fixed Maturities, Excluding Mortgage-backed and Asset-backed Securities |  |
Amortized Cost |  |
Due less than one year | 139,886 |
Due after one through five years | 1,164,512 |
Due after five through ten years | 245,255 |
Due after ten years | 4,714 |
Fair Value |  |
Due less than one year | 135,950 |
Due after one through five years | 1,107,734 |
Due after five through ten years | 230,867 |
Due after ten years | 3,558 |
Mortgage-backed |  |
Amortized Cost |  |
Mortgage/Asset-backed | 163,048 |
Fair Value |  |
Mortgage/Asset-backed | 140,817 |
Asset-backed |  |
Amortized Cost |  |
Mortgage/Asset-backed | 12,847 |
Fair Value |  |
Mortgage/Asset-backed | $ 12,545 |

X
- Definition Debt Securities, Trading, Amortized Cost, Maturity, Allocated And Single Maturity Date, After Year 10 + References No definition available. + Details
Name: | hig_DebtSecuritiesTradingAmortizedCostMaturityAllocatedAndSingleMaturityDateAfterYear10
Namespace Prefix: | hig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt Securities, Trading, Amortized Cost, Maturity, Allocated And Single Maturity Date, After Year 5 Through 10 + References No definition available. + Details
Name: | hig_DebtSecuritiesTradingAmortizedCostMaturityAllocatedAndSingleMaturityDateAfterYear5Through10
Namespace Prefix: | hig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt Securities, Trading, Amortized Cost, Maturity, Allocated And Single Maturity Date, After Year One Through Five + References No definition available. + Details
Name: | hig_DebtSecuritiesTradingAmortizedCostMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive
Namespace Prefix: | hig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt Securities, Trading, Amortized Cost, Maturity, Allocated And Single Maturity Date, Year One + References No definition available. + Details
Name: | hig_DebtSecuritiesTradingAmortizedCostMaturityAllocatedAndSingleMaturityDateYearOne
Namespace Prefix: | hig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt Securities, Trading, Fair Value, Maturity, Allocated And Single Maturity Date, After Year 10 + References No definition available. + Details
Name: | hig_DebtSecuritiesTradingFairValueMaturityAllocatedAndSingleMaturityDateAfterYear10
Namespace Prefix: | hig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt Securities, Trading, Fair Value, Maturity, Allocated And Single Maturity Date, After Year 5 Through 10 + References No definition available. + Details
Name: | hig_DebtSecuritiesTradingFairValueMaturityAllocatedAndSingleMaturityDateAfterYear5Through10
Namespace Prefix: | hig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt Securities, Trading, Fair Value, Maturity, Allocated And Single Maturity Date, After Year One Through Five + References No definition available. + Details
Name: | hig_DebtSecuritiesTradingFairValueMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive
Namespace Prefix: | hig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt Securities, Trading, Fair Value, Maturity, Allocated And Single Maturity Date, Year One + References No definition available. + Details
Name: | hig_DebtSecuritiesTradingFairValueMaturityAllocatedAndSingleMaturityDateYearOne
Namespace Prefix: | hig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt Securities, Trading, Maturity, Without Single Maturity Date, Amortized Cost + References No definition available. + Details
Name: | hig_DebtSecuritiesTradingMaturityWithoutSingleMaturityDateAmortizedCost
Namespace Prefix: | hig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt Securities, Trading, Maturity, Without Single Maturity Date, Fair Value + References No definition available. + Details
Name: | hig_DebtSecuritiesTradingMaturityWithoutSingleMaturityDateFairValue
Namespace Prefix: | hig_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCostAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesFairValueAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481830/320-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483467/210-10-45-1 + Details
Name: | us-gaap_TradingSecuritiesDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of investments in debt securities classified as trading. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_TradingSecuritiesDebtAmortizedCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

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

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