Schedule II - Condensed Financial Information of Registrant (Balance Sheet II) (Details) - $ / shares	Dec. 31, 2020	Dec. 31, 2019
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	10,000,000	10,000,000
Common stock, shares issued (in shares)	3,500,000	3,500,000
Common stock, shares outstanding (in shares)	3,033,314	3,014,941
Treasury stock (in shares)	208,875	203,811
Unearned Employee Stock Ownership Plan	257,811	281,248
Parent Company [Member]
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	10,000,000	10,000,000
Common stock, shares issued (in shares)	3,500,000	3,500,000
Common stock, shares outstanding (in shares)	3,033,314	3,014,941
Treasury stock (in shares)	208,875	203,811
Unearned Employee Stock Ownership Plan	257,811	281,248