Acquisitions (Other Details) (Details) - Latin American Underwriters Holdings Ltd [Member] - USD ($) $ in Thousands	1 Months Ended
	Jan. 31, 2015	Sep. 30, 2015
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	$ 5,105
Goodwill, Acquired During Period	2,467
Finite-lived Intangible Assets Acquired	$ 3,610
Finite-Lived Intangible Asset, Useful Life	5 years
Business Combination, Contingent Consideration, Liability	$ 1,000	$ 0