Unpaid losses and LAE (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Unpaid losses and LAE [Abstract]
Balance, beginning of period	$ 78,330	$ 61,016
Less reinsurance recoverables	(12,534)	(2,742)
Net balance, beginning of period	65,796	58,274
Incurred related to [Abstract]
Current year	49,754	79,932
Prior years	(2,656)	1,104
Total incurred	47,098	81,036
Paid related to [Abstract]
Current year	18,655	42,391
Prior years	21,451	31,123
Total paid	40,106	73,514
Net balance, end of period	72,788	65,796
Plus reinsurance recoverables	15,294	12,534
Balance, end of period	$ 88,082	$ 78,330