Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Available-for-sale Securities, Amortized Cost Basis	$ 842,487
Preferred Stock, par value	$ 0.0001	$ 0.0001
Preferred stock, authorized shares	0	1,000,000
Preferred stock, issued shares	0	0
Preferred stock, outstanding shares	0	0
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, authorized shares	50,000,000	50,000,000
Common Stock, Shares, Issued	42,965,137	21,858,697
Common stock, outstanding shares	42,753,054	21,646,614
Treasury stock	212,083	212,083
Fixed Maturities
Available-for-sale Debt Securities, Amortized Cost Basis	$ 763,434	$ 497,616
Equity Securities
Available-for-sale Equity Securities, Amortized Cost Basis	50,996	24,074
Other Long-term Investments
Available-for-sale Securities, Amortized Cost Basis	$ 8,057	$ 5,493