XML 89 R78.htm IDEA: XBRL DOCUMENT v3.8.0.1

Subsequent Events (Details) - USD ($) $ in Millions	Apr. 25, 2018	May 10, 2018	Mar. 31, 2018	Dec. 31, 2017
Subsequent Event [Line Items]
Restricted assets			$ 4,574.9	$ 4,638.8
Kendall Re | Subsequent Event
Subsequent Event [Line Items]
Notes Issued	$ 225.0
Real estate funds
Subsequent Event [Line Items]
Restricted assets			$ 100.0	$ 100.0
Limited Partner | Real estate funds | Subsequent Event
Subsequent Event [Line Items]
Restricted assets		$ 86.2

X

- Definition

Restricted assets.

+ References

No definition available.

+ Details

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Namespace Prefix:	ahl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The fair value of notes issued in noncash investing and financing activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586

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X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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- Details

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