Consolidated Balance Sheet (Unaudited) (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Assets [Abstract]
Fixed-maturity securities available-for-sale - amortized cost	$ 577,183	$ 514,237
Equity securities - cost	$ 56,447	$ 56,051
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)	21,356,399	21,241,504
Common stock, shares outstanding (in shares)	21,356,399	21,241,504