Subsequent Events (Details Textual) (Subsequent Event [Member], USD $)	Jul. 29, 2013 Catalina Holdings [Member]	Aug. 07, 2013 American Safety Fairfax and Fairfax Holding Bermuda [Member]	Jun. 30, 2013 American Safety Fairfax and Fairfax Holding Bermuda [Member]
Subsequent Event [Line Items]
Acquisition cash price per share	$ 29.75	$ 30.25	$ 29.25
Termination fees on termination of Merger agreement		$ 13,400,000	$ 9,186,000

For an acquired entity, price of a single share of a number of saleable stocks of a company.

No definition available.

Name:	us-gaap_BusinessAcquisitionSharePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant