General (Details) (Hong Kong and Singapore Operations of Royal Sun Alliance Insurance Plc, USD $) In Thousands, unless otherwise specified	Sep. 30, 2014
Hong Kong and Singapore Operations of Royal Sun Alliance Insurance Plc
Business Acquisition [Line Items]
Business Acquisition Preliminary Purchase Price	$ 211,000
Business Acquisition Expected Additional Capitalization	$ 90,000

Approximate purchase price for business acquisition at current exchange rates, subject to closing adjustments, as at the balance sheet date.

No definition available.

Name:	awh_BusinessAcquisitionPreliminaryPurchasePrice
Namespace Prefix:	awh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant