Consolidated Balance Sheet (Unaudited) (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Assets [Abstract]
Fixed maturity securities available-for-sale, amortized cost	$ 472,418	$ 422,255
Equity securities - cost	$ 51,190
Equity securities available for sale, cost		$ 45,916
Stockholders' Equity
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	400,000,000	400,000,000
Common stock, shares issued (in shares)	21,169,384	21,036,087
Common stock, shares outstanding (in shares)	21,169,384	21,036,087