Schedule I – Insurance Incurred and Cumulative Paid Losses and Allocated Loss Adjustment Expenses, Net of Reinsurance Expenses Net Of Reinsurance (Details) $ in Thousands	Dec. 31, 2016 USD ($) claim	Dec. 31, 2015 USD ($)
Incurred losses and allocated loss adjustment expenses, net of reinsurance
2016	$ 482,997
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance
2016	457,891
All Outstanding reserves prior to 2012, net of reinsurance	97
Reserve for unpaid losses and allocated LAE balance, net of insurance	25,203	$ 29,522
2012
Incurred losses and allocated loss adjustment expenses, net of reinsurance
2012	107,873
2013	108,753
2014	114,031
2015	114,067
2016	114,517
Total of incurred but not reported reserves plus expected development on reported claims	$ 38
Cumulative Number of Reported Claims | claim	16,555
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance
2012	$ 89,603
2013	101,968
2014	107,126
2015	110,782
2016	112,062
2013
Incurred losses and allocated loss adjustment expenses, net of reinsurance
2013	107,793
2014	108,951
2015	111,006
2016	111,011
Total of incurred but not reported reserves plus expected development on reported claims	$ 90
Cumulative Number of Reported Claims | claim	15,569
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance
2013	$ 94,238
2014	104,938
2015	108,099
2016	109,662
2014
Incurred losses and allocated loss adjustment expenses, net of reinsurance
2014	83,784
2015	85,037
2016	84,221
Total of incurred but not reported reserves plus expected development on reported claims	$ 392
Cumulative Number of Reported Claims | claim	12,927
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance
2014	$ 70,831
2015	79,713
2016	81,684
2015
Incurred losses and allocated loss adjustment expenses, net of reinsurance
2015	89,646
2016	88,477
Total of incurred but not reported reserves plus expected development on reported claims	$ 3,314
Cumulative Number of Reported Claims | claim	14,723
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance
2015	$ 71,820
2016	82,940
2016
Incurred losses and allocated loss adjustment expenses, net of reinsurance
2016	84,771
Total of incurred but not reported reserves plus expected development on reported claims	$ 7,150
Cumulative Number of Reported Claims | claim	20,336
Cumulative paid losses and allocated loss adjustment expenses, net of reinsurance
2016	$ 71,543