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Statutory Information and Dividend Restrictions - Narrative (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Insurance [Abstract] |  |
Minimum statutory-basis capital and surplus | $ 113.2 | $ 108.1
Restricted net assets of HMEC's insurance subsidiaries | 26.9 | $ 26.0
Aggregate amount of dividends | $ 248.7 |

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- Definition Statutory accounting practices restricted net assets. + References No definition available. + Details
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- Definition Amount of dividends available for payment after computation of statutory restrictions on capital surplus. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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- Definition Amount of statutory capital required to be maintained as of the balance sheet date under prescribed or permitted statutory accounting practices. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6486098&loc=d3e24708-158529 + Details
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