Related Party Transactions (Schedule of impact of consolidating Battle Creek into our consolidated balance sheets) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Related Party Transaction [Line Items]
Accrued investment income	$ 1,979	$ 1,431
Property and equipment	5,263	4,819
Other assets	3,250	4,334
Total assets	429,666	278,703
Unpaid losses and loss adjustment expenses	72,619	59,632
Unearned premiums	92,194	57,445
Reinsurance payable	6,018	39
Total liabilities	186,882	125,285
Non-controlling interest	3,597	3,522
Total equity	242,784	153,418
Total liabilities and equity	429,666	278,703
Battle Creek [Member]
Related Party Transaction [Line Items]
Cash and cash equivalents (overdraft)	(92)	124
Investments	4,436	4,290
Premiums and agents' balances receivable	3,658	2,841
Reinsurance recoverables on losses (eliminated in consolidation)	24,082	19,299
Accrued investment income	31	31
Deferred income tax asset, net	850	915
Property and equipment	376	331
Other assets	120	55
Total assets	33,461	27,886
Unpaid losses and loss adjustment expenses	11,347	8,917
Unearned premiums	12,735	10,382
Notes payable (eliminated in consolidation)	3,000	3,000
Reinsurance payable	89	992
Accrued expenses and other liabilities	2,693	1,073
Total liabilities	29,864	24,364
Non-controlling interest	3,597	3,522
Total equity	3,597	3,522
Total liabilities and equity	$ 33,461	$ 27,886