Reinsurance (Details 2) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Reserve for potentially uncollectible amounts
Balance at beginning of year	$ 2,493	$ 2,945
Provision expense (recovery)	(261)	0
Balance at September 30	$ 2,232	$ 2,945