specified ratio of aggregate redemption requests to a fund's net assets, as of particular date, over which would trigger the ability of the fund to deny or delay a redemption request.

No definition available.

+ Details

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Namespace Prefix:	awh_
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Balance Type:	na
Period Type:	instant

- Definition

States the notice requirement (for example, 30 to 60 days) the entity is required to deliver before it can redeem its investment, or portion thereof, for each of those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments), by major category.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 6A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=SL6742756-110258

+ Details

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Balance Type:	na
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- Details

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

- Definition

Period when redemption restriction has been in effect for investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure), in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 6A

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=SL6742756-110258

+ Details

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Balance Type:	na
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- Details

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Balance Type:	na
Period Type:	duration

- Definition

Cash and investments whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet.

+ References

No definition available.

+ Details

Name:	us-gaap_RestrictedCashAndInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Investments (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013 Minimum [Member] Subject To Redemption Restriction [Member]	Jun. 30, 2013 Minimum [Member] Not Subject To Redemption Restriction [Member] Hedge Funds [Member]	Jun. 30, 2013 Maximum [Member] Subject To Redemption Restriction [Member]	Jun. 30, 2013 Maximum [Member] Not Subject To Redemption Restriction [Member] Hedge Funds [Member]	Jun. 30, 2013 Compliance With Reinsurance Contract Provisions Or Insurance Laws [Member]	Dec. 31, 2012 Compliance With Reinsurance Contract Provisions Or Insurance Laws [Member]	Jun. 30, 2013 Pledged As Collateral For Letter Of Credit Facilities [Member]	Dec. 31, 2012 Pledged As Collateral For Letter Of Credit Facilities [Member]
Pledged assets:
Pledged assets					$ 2,226,680	$ 2,141,249	$ 1,135,658	$ 1,225,155
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Period of redemption restriction	1 year		3 years
Required notification period for redemption		P30D
Gate trigger, percentage		15.00%		25.00%