Segment Information (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Policy acquisition expenses amortized	$ 98,919	$ 93,817	$ 84,643
Income tax expense (benefit)	35,970	41,870	43,173
Property and casualty [Member]
Policy acquisition expenses amortized	73,173	71,327	68,516
Income tax expense (benefit)	11,274	13,944	12,740
Annuity [Member]
Policy acquisition expenses amortized	18,155	14,781	7,957
Income tax expense (benefit)	19,873	21,319	18,531
Life [Member]
Policy acquisition expenses amortized	7,591	7,709	8,170
Income tax expense (benefit)	7,951	9,432	10,919
Corporate and Other [Member]
Income tax expense (benefit)	$ (3,128)	$ (2,825)	$ 983