XML 57 R36.htm IDEA: XBRL DOCUMENT
v3.20.2

Investments - Fair Value and Gross Unrealized Losses (Details) $ in Thousands | Jun. 30, 2020 USD ($) security | Dec. 31, 2019 USD ($) security
--- | --- | ---
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | $ 747,886 |
Fixed maturity securities, Fair Value, More than 12 Months | 394,446 |
Fixed maturity securities, Fair Value, Total | 1,142,332 |
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 52,554 |
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 19,758 |
Fixed maturity securities, Gross Unrealized Losses, Total | $ 72,312 |
Number of positions with a gross unrealized loss, 12 Months or Less | security | 594 | 330
Number of position with a gross unrealized loss, more than 12 months | security | 109 | 137
Number of position with a gross unrealized loss, Total | security | 703 | 467
Fair value as a percentage of total fixed maturities and equity securities fair value, 12 Months or Less | 12.40% | 8.30%
Fair value as a percentage of total fixed maturities and equity securities fair value, more than 12 months | 6.60% | 8.20%
Fair value as a percentage of total fixed maturities and equity securities fair value, Total | 19.00% | 16.50%
Mortgage-backed securities |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | $ 8,344 | $ 72,422
Fixed maturity securities, Fair Value, More than 12 Months | 933 | 2,620
Fixed maturity securities, Fair Value, Total | 9,277 | 75,042
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 130 | 1,282
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 81 | 205
Fixed maturity securities, Gross Unrealized Losses, Total | 211 | 1,487
Other |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | 37 | 38,341
Fixed maturity securities, Fair Value, More than 12 Months | 0 | 1,527
Fixed maturity securities, Fair Value, Total | 37 | 39,868
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 0 | 619
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 0 | 2
Fixed maturity securities, Gross Unrealized Losses, Total | 0 | 621
Municipal bonds |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | 81,279 | 91,195
Fixed maturity securities, Fair Value, More than 12 Months | 0 | 9,160
Fixed maturity securities, Fair Value, Total | 81,279 | 100,355
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 1,958 | 977
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 0 | 603
Fixed maturity securities, Gross Unrealized Losses, Total | 1,958 | 1,580
Foreign government bonds |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | 0 | 0
Fixed maturity securities, Fair Value, More than 12 Months | 0 | 0
Fixed maturity securities, Fair Value, Total | 0 | 0
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 0 | 0
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 0 | 0
Fixed maturity securities, Gross Unrealized Losses, Total | 0 | 0
Corporate bonds |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | 209,868 | 58,198
Fixed maturity securities, Fair Value, More than 12 Months | 6,060 | 16,622
Fixed maturity securities, Fair Value, Total | 215,928 | 74,820
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 12,127 | 886
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 894 | 909
Fixed maturity securities, Gross Unrealized Losses, Total | 13,021 | 1,795
Other asset-backed securities |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | 448,358 | 218,710
Fixed maturity securities, Fair Value, More than 12 Months | 387,453 | 442,791
Fixed maturity securities, Fair Value, Total | 835,811 | 661,501
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 38,339 | 1,970
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 18,783 | 6,161
Fixed maturity securities, Gross Unrealized Losses, Total | $ 57,122 | 8,131
Total Fixed Maturity Securities |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less |  | 478,866
Fixed maturity securities, Fair Value, More than 12 Months |  | 472,720
Fixed maturity securities, Fair Value, Total |  | 951,586
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less |  | 5,734
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months |  | 7,880
Fixed maturity securities, Gross Unrealized Losses, Total |  | $ 13,614

X
- Definition Fair value of positions with a gross unrealized loss as a percentage of total fixed maturities and equities fair value. + References No definition available. + Details
Name: | hmn_FairValueAsPercentageOfAggregateFixedMaturitiesAndEquitySecuritiesFairValue
Namespace Prefix: | hmn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value of positions with a gross unrealized loss for twelve months or less as a percentage of total fixed maturities and equities fair value. + References No definition available. + Details
Name: | hmn_FairValueAsPercentageOfAggregateFixedMaturitiesAndEquitySecuritiesFairValueForTwelveMonthsOrLess
Namespace Prefix: | hmn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value of positions with a gross unrealized loss for more than twelve months as a percentage of total fixed maturities and equities fair value. + References No definition available. + Details
Name: | hmn_FairValueAsPercentageOfTotalFixedMaturitiesAndEquitySecuritiesFairValueMoreThan12Months
Namespace Prefix: | hmn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionQualitativeDisclosureAbstract
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 other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121582814&loc=SL82922890-210455 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121582814&loc=SL82922890-210455 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without an allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=121582814&loc=SL82922888-210455 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121582814&loc=SL82922890-210455 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121582814&loc=SL82922890-210455 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without an allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=121582814&loc=SL82922888-210455 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=121582814&loc=SL82922888-210455 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=121582814&loc=SL82922888-210455 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=121582814&loc=SL82922888-210455 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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

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

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

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

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