XML 53 R38.htm IDEA: XBRL DOCUMENT
v3.19.2

Investments - Fair Value and Gross Unrealized Losses (Details) $ in Thousands | Jun. 30, 2019 USD ($) security | Dec. 31, 2018 USD ($) security
--- | --- | ---
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | $ 457,895 |
Fixed maturity securities, Fair Value, More than 12 Months | 426,861 |
Fixed maturity securities, Fair Value, Total | 884,756 |
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 4,565 |
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 8,479 |
Fixed maturity securities, Gross Unrealized Losses, Total | $ 13,044 |
Number of positions with a gross unrealized loss, 12 Months or Less | security | 143 | 1,052
Number of position with a gross unrealized loss, more than 12 months | security | 156 | 359
Number of position with a gross unrealized loss, Total | security | 299 | 1,411
Fair value as a percentage of total fixed maturities and equity securities fair value, 12 Months or Less | 8.30% | 33.20%
Fair value as a percentage of total fixed maturities and equity securities fair value, more than 12 months | 7.70% | 11.80%
Fair value as a percentage of total fixed maturities and equity securities fair value, Total | 16.00% | 45.00%
Mortgage-backed securities |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | $ 10,504 | $ 193,447
Fixed maturity securities, Fair Value, More than 12 Months | 44,564 | 157,295
Fixed maturity securities, Fair Value, Total | 55,068 | 350,742
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 27 | 5,026
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 1,174 | 8,295
Fixed maturity securities, Gross Unrealized Losses, Total | 1,201 | 13,321
Other |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | 11,463 | 263,497
Fixed maturity securities, Fair Value, More than 12 Months | 37,575 | 246,213
Fixed maturity securities, Fair Value, Total | 49,038 | 509,710
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 32 | 6,746
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 501 | 10,935
Fixed maturity securities, Gross Unrealized Losses, Total | 533 | 17,681
Municipal bonds |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | 16,900 | 291,869
Fixed maturity securities, Fair Value, More than 12 Months | 34,031 | 95,297
Fixed maturity securities, Fair Value, Total | 50,931 | 387,166
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 93 | 7,603
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 708 | 5,891
Fixed maturity securities, Gross Unrealized Losses, Total | 801 | 13,494
Foreign government bonds |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | 0 | 16,250
Fixed maturity securities, Fair Value, More than 12 Months | 0 | 0
Fixed maturity securities, Fair Value, Total | 0 | 16,250
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 0 | 760
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 0 | 0
Fixed maturity securities, Gross Unrealized Losses, Total | 0 | 760
Corporate bonds |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | 27,858 | 818,519
Fixed maturity securities, Fair Value, More than 12 Months | 32,997 | 99,171
Fixed maturity securities, Fair Value, Total | 60,855 | 917,690
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 518 | 27,429
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 1,693 | 11,462
Fixed maturity securities, Gross Unrealized Losses, Total | 2,211 | 38,891
Other mortgage-backed securities |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | 391,170 | 913,858
Fixed maturity securities, Fair Value, More than 12 Months | 277,694 | 291,442
Fixed maturity securities, Fair Value, Total | 668,864 | 1,205,300
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 3,895 | 16,076
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 4,403 | 7,455
Fixed maturity securities, Gross Unrealized Losses, Total | $ 8,298 | 23,531
Total Fixed Maturity Securities |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less |  | 2,497,440
Fixed maturity securities, Fair Value, More than 12 Months |  | 889,418
Fixed maturity securities, Fair Value, Total |  | 3,386,858
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less |  | 63,640
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months |  | 44,038
Fixed maturity securities, Gross Unrealized Losses, Total |  | $ 107,678

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
- 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=118939692&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
- 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 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 Number of investment positions in available-for-sale investments in a continuous unrealized loss position for less than one year or normal operating cycle, if longer, for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThanOneYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of investment positions in available-for-sale investments in a continuous unrealized loss position for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563 + Details
Name: | us-gaap_AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of investment positions in available-for-sale investments that have been in a continuous unrealized loss position for greater than or equal to a year for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement. + References No definition available. + Details
Name: | us-gaap_AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsGreaterThanOrEqualToOneYear
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: |