Unpaid losses and LAE (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Unpaid losses and LAE [Abstract]
Unpaid losses and LAE, period start	$ 49,908	$ 59,983
Less reinsurance recoverables	(3,503)	(2,088)
Unpaid Losses and LAE, net, period start	46,405	57,895
Incurred related to Unpaid losses and LAE [Abstract]
Current year	22,013	31,636
Prior years	134	(1,427)
Total incurred losses and LAE	22,147	30,209
Paid Related To Unpaid Losses And LAE [Abstract]
Current year	7,241	15,892
Prior years	15,972	25,807
Total paid	23,213	41,699
Unpaid Losses and LAE, net, period end	45,339	46,405
Plus reinsurance recoverables	3,545	3,503
Unpaid losses and LAE, period end	$ 48,884	$ 49,908