Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Assets [Abstract]
Fixed maturities, cost	$ 56,000	$ 53,455
Equity investments, cost	16,579	3,554
Premiums receivable, allowance for doubtful accounts	1,889	2,122
Allowance for Doubtful Accounts, Premiums and Other Receivables	247	0
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	17,290	15,848
Other receivables, allowance for doubtful accounts	806	1,062
Amortization of intangible assets	$ 20,203	$ 18,583
Equity [Abstract]
Common stock, shares outstanding	19,709,706	16,429,761