Commitments and Contingencies (Details Textuals) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Commitments And Contingencies Line Items [Abstract]
Pretax cat loss after reinsurance	$ 9.5	$ 26.6
Longest Indemnification Expiration Date	2025