Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Consolidated Balance Sheets
Fixed maturity securities, amortized cost	$ 1,192,357	$ 1,175,413
Equity securities, at cost	$ 151,121	$ 142,948
Common stock par value (in dollars per share)	$ 0.01	$ 0.01
Common stock shares authorized	30,000,000	30,000,000
Common stock shares issued	17,662,779	17,566,180
Treasury stock shares	2,279,570	2,279,570