General (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Potentially dilutive securities (in shares)	2	34	2	40
Deferred policy acquisition cost amortization	$ 135,140	$ 133,060	$ 268,987	$ 262,874
Advertising expenses			$ 28,091	$ 11,839