XML 30 R44.htm IDEA: XBRL DOCUMENT v2.4.0.6

Segment Information (Details Textual)	3 Months Ended
	Mar. 31, 2013 Segment
Segment Information (Textual) [Abstract]
Business segments	4

X

- Definition

Company's business segments.

+ References

No definition available.

+ Details

Name:	hmn_BusinessSegments
Namespace Prefix:	hmn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	hmn_SegmentInformationTextualAbstract
Namespace Prefix:	hmn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration