XML 124 R96.htm IDEA: XBRL DOCUMENT
v3.22.4

Reinsurance and Catastrophes - Total Amounts of Reinsurance Recoverables On Unpaid Insurance Reserves (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Summary of reinsurance recoverable on unpaid insurance reserves |  |
Reinsurance balances receivable | $ 462.5 | $ 119.6
Reinsurance companies |  |
Summary of reinsurance recoverable on unpaid insurance reserves |  |
Reinsurance balances receivable | 3.1 | 10.4
State insurance facilities |  |
Summary of reinsurance recoverable on unpaid insurance reserves |  |
Reinsurance balances receivable | 97.7 | 99.9
Group benefits |  |
Summary of reinsurance recoverable on unpaid insurance reserves |  |
Reinsurance balances receivable | 352.4 | 0.0
Life and health |  |
Summary of reinsurance recoverable on unpaid insurance reserves |  |
Reinsurance balances receivable | $ 9.3 | $ 9.3

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

X
- Definition Amount, after valuation allowance, recoverable under reinsurance contracts including premium paid under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(6)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=99397103&loc=d3e6824-158387 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 45 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=99404803&loc=d3e21409-158489 + Details
Name: | us-gaap_ReinsuranceRecoverables
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | srt_ProductOrServiceAxis=hmn_PropertyLiabilityAndCasualtyInsuranceReinsuranceCompaniesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=hmn_PropertyLiabilityAndCasualtyInsuranceStateInsuranceFacilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=hmn_GroupBenefitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=hmn_LifeAndHealthMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |