Investments (Schedule of Net Investment Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Total gross investment income	$ 2,514	$ 2,549	$ 8,025	$ 7,194
Investment expenses	628	566	2,150	1,690
Net investment income	1,886	1,983	5,875	5,504
Fixed income securities [Member]
Total gross investment income	2,065	2,196	6,655	6,167
Equity Securities [Member]
Total gross investment income	278	247	903	704
Real estate [Member]
Total gross investment income	170	91	440	273
Cash and Cash Equivalents [Member]
Total gross investment income	$ 1	$ 15	$ 27	$ 50