Deferred Policy Acquisition Costs (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Deferred	$ (7,584)	$ (12,817)	$ (33,270)	$ (28,056)
Amortized	6,646	11,812	30,343	25,767
Net	$ 938	$ 1,005	$ 2,927	$ 2,289