XML 125 R95.htm IDEA: XBRL DOCUMENT
v3.20.4

Income Taxes - Income Tax Assets and Liabilities Included in Other Assets and Other Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Income tax (asset) liability |  |
Current | $ (12,631) | $ (12,184)
Deferred | $ 206,650 | $ 160,624

X
- Definition Current income tax assets liabilities. + References No definition available. + Details
Name: | hmn_CurrentIncomeTaxLiabilitiesAssets
Namespace Prefix: | hmn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Deferred income tax assets liabilities. + References No definition available. + Details
Name: | hmn_DeferredIncomeTaxLiabilitiesAssets
Namespace Prefix: | hmn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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