General	9 Months Ended
Sep. 30, 2014
General [Abstract]
General	GENERAL Allied World Assurance Company Holdings, AG, a Swiss holding company (“Allied World Switzerland”), through its wholly-owned subsidiaries (collectively, the “Company”), provides property and casualty insurance and reinsurance on a worldwide basis. References to $ are to the lawful currency of the United States and to CHF are to the lawful currency of Switzerland. The Company has reached definitive agreements to acquire the Hong Kong and Singapore operations of Royal & Sun Alliance Insurance plc for approximately $211,000, at current exchange rates, subject to adjustments at closing. In addition to the purchase price, the Company expects to contribute an additional $90,000 to capitalize the business on an ongoing basis. Subject to regulatory approvals in both Hong Kong and Singapore, as well as court approval in Singapore, the acquisition is expected to be completed in the first half of 2015.

General

9 Months Ended

Sep. 30, 2014

GENERAL

Allied World Assurance Company Holdings, AG, a Swiss holding company (“Allied World Switzerland”), through its wholly-owned subsidiaries (collectively, the “Company”), provides property and casualty insurance and reinsurance on a worldwide basis. References to $ are to the lawful currency of the United States and to CHF are to the lawful currency of Switzerland.

The Company has reached definitive agreements to acquire the Hong Kong and Singapore operations of Royal & Sun Alliance Insurance plc for approximately $211,000, at current exchange rates, subject to adjustments at closing. In addition to the purchase price, the Company expects to contribute an additional $90,000 to capitalize the business on an ongoing basis. Subject to regulatory approvals in both Hong Kong and Singapore, as well as court approval in Singapore, the acquisition is expected to be completed in the first half of 2015.