Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Assets [Abstract]
Fixed maturities, cost	$ 62,136	$ 55,606
Equity investments, cost	18,139	25,468
Premiums receivable, allowance for doubtful accounts	115	165
Other receivables, allowance for doubtful accounts	806	806
Service fee receivable, allowance for doubtful accounts	274	276
Property and equipment, accumulated depreciation	10,603	12,537
Amortization of intangible assets	$ 7,181	$ 6,009
Equity [Abstract]
Common stock, shares outstanding	21,458,190	19,709,706