Fair Value Measurements (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Changes in fair value of level 3 assets
Balance at beginning of period	$ 10,035	$ 2,006	$ 513	$ 2,686
Purchases	0	0	9,430	0
Settlement	0	(1,863)	0	(1,863)
Sales	0	0	0	0
Other comprehensive income	(99)	3	(268)	8
Net earnings	258	222	519	552
Transfers out of Level 3	0	0	0	(1,015)
Balance at end of period	10,194	368	10,194	368
Fixed maturity securities [Member]
Changes in fair value of level 3 assets
Balance at beginning of period	9,446	159	164	1,170
Purchases	0	0	9,430	0
Settlement	0	0	0	0
Sales	0	0	0	0
Other comprehensive income	(99)	3	(268)	8
Net earnings	16	0	37	(1)
Transfers out of Level 3	0	0	0	(1,015)
Balance at end of period	9,363	162	9,363	162
Other Assets [Member]
Changes in fair value of level 3 assets
Balance at beginning of period	589	1,847	349	1,516
Purchases	0	0	0	0
Settlement	0	(1,863)	0	(1,863)
Sales	0	0	0	0
Other comprehensive income	0	0	0	0
Net earnings	242	222	482	553
Transfers out of Level 3	0	0	0	0
Balance at end of period	831	206	831	206
Earn Out Liability [Member]
Changes in fair value of level 3 assets
Balance at beginning of period	7,133		7,009
Purchases	0		0
Settlement	0		0
Sales	0		0
Other comprehensive income	0		0
Net earnings	(62)		(186)
Transfers out of Level 3	0		0
Balance at end of period	$ 7,195		$ 7,195