Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Available-for-sale Debt securities, Amortized cost	$ 91,166	$ 199,954
Available-for-sale Debt securities, Allowance for credit losses	596	0
Equity Securities, Cost	39,861	31,863
Paid losses and loss adjustments allowance	0	0
Unpaid losses and loss adjustments allowance	$ 90	$ 0
Preferred stock, no par value
Preferred stock, authorized	20,000,000	18,100,000
Preferred stock, issued	0	0
Preferred stock, outstanding	0	0
Common stock, no par value
Common stock, shares authorized	40,000,000	40,000,000
Common stock, shares issued	7,793,677	7,764,564
Common stock, outstanding	7,793,677	7,764,564
7% Series A Cumulative Convertible Preferred Stock [Member]
Preferred stock, no par value
Preferred stock, authorized	1,500,000	1,500,000
Preferred stock, issued	0	0
Preferred stock, outstanding	0	0
Series B Preferred Stock [Member]
Preferred stock, no par value
Preferred stock, authorized	400,000	400,000
Preferred stock, issued	0	0
Preferred stock, outstanding	0	0