v2.4.0.8

SHAREHOLDERS' EQUITY (DETAILS 2) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Class of Warrant or Right [Line Items]
Dividends paid	$ 118,426	$ 120,487	$ 206,455
Founders' Warrants [Member]
Class of Warrant or Right [Line Items]
Common shares issued to warrant holders			12,893,483
Warrants exercised			19,827,760
Dividends paid			$ 93,000

X

- Definition

Number of new shares issued during the period due to exercise of warrants.

+ References

No definition available.

+ Details

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Namespace Prefix:	axs_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of warrants exercised during period; this number may differ from the number of common shares issued during the same period if warrantholders opt to exercise on a cashless basis.

+ References

No definition available.

+ Details

Name:	axs_Warrantsexercised
Namespace Prefix:	axs_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_ClassOfWarrantOrRightLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration