XML 23 R33.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Investments (Details Textual) (USD $) In Thousands, unless otherwise specified | 6 Months Ended |
--- | --- | ---
Jun. 30, 2014 | Dec. 31, 2013
Investments (Textual) [Abstract] |  |
Fair value of issued securities | $ 6,676,339 | $ 6,009,573
Investments (Additional Textual) [Abstract] |  |
Cash received in an amount equal to fair value of securities transferred | 95.00% |
Fair value of securities transferred | 143,216 | 24,791
Obligation for securities sold under agreement to repurchase, including accrued interest | 139,959 | 25,864
Federal Home Loan Bank Funding Requirements | 250,000 |
Investment Grade Rate | 95.00% |
Federal Home Loan Bank [Member] | Fixed Maturities [Member] |  |
Investments (Additional Textual) [Abstract] |  |
Securities Deposited Fair Value | 18,420 | 17,967
Securities Deposited As Collateral | 275,888 | 274,437
Federal National Mortgage Association Certificates and Obligations (FNMA) [Member] |  |
Investments (Textual) [Abstract] |  |
Fair value of issued securities | 342,198 | 336,193
Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member] |  |
Investments (Textual) [Abstract] |  |
Fair value of issued securities | 441,363 | 427,172
Government National Mortgage Association Certificates and Obligations (GNMA) [Member] |  |
Investments (Textual) [Abstract] |  |
Fair value of issued securities | $ 136,208 | $ 126,245

X
- Definition Represents the funding requirements of Federal Home Loan Bank (FHLBank). + References No definition available. + Details
Name: | hmn_FederalHomeLoanBankFundingRequirements
Namespace Prefix: | hmn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Investment grade rating during the period. + References No definition available. + Details
Name: | hmn_InvestmentGradeRate
Namespace Prefix: | hmn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | hmn_InvestmentsAdditionalTextualAbstract
Namespace Prefix: | hmn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | hmn_InvestmentsTextualAbstract
Namespace Prefix: | hmn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Repurchase agreement minimum percentage of fair value of securities received. + References No definition available. + Details
Name: | hmn_RepurchaseAgreementMinimumPercentageOfFairValueOfSecuritiesReceived
Namespace Prefix: | hmn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Repurchase agreement securities transferred fair value. + References No definition available. + Details
Name: | hmn_RepurchaseAgreementSecuritiesTransferredFairValue
Namespace Prefix: | hmn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the fair value of securities deposited as collateral. + References No definition available. + Details
Name: | hmn_SecuritiesDepositedAsCollateral
Namespace Prefix: | hmn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Securities deposited fair value. + References No definition available. + Details
Name: | hmn_SecuritiesDepositedFairValue
Namespace Prefix: | hmn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement, including accrued interest. + References No definition available. + Details
Name: | hmn_SecuritiesSoldUnderAgreementsToRepurchaseIncludingAccruedInterest
Namespace Prefix: | hmn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of debt securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -Subparagraph (b)-(g) -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant