Reserve For Losses, LAE And Future Policy Benefit Reserve (Summary Of Activity In The Reserve For Future Policy Benefits) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reserve For Losses LAE And Future Policy Benefit Reserve [Abstract]
Balance at beginning of year	$ 59,820	$ 59,512	$ 66,107
Liabilities assumed	315	250	103
Adjustments to reserves	2,310	4,724	(3,066)
Benefits paid in the current year	(3,535)	(4,667)	(3,632)
Balance at end of year	$ 58,910	$ 59,820	$ 59,512