Deferred Policy Acquisition Costs (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Deferred	$ (12,011)	$ (11,978)	$ (45,281)	$ (40,034)
Amortized	11,084	11,625	41,427	37,392
Net	$ (927)	$ (353)	$ (3,854)	$ (2,642)