Transactions with Related Persons (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Loans and Leases Receivable, Related Parties [Roll Forward]
Beginning balance	$ 117,000	$ 145,000
New loans	21,000	19,000
Repayments	(16,000)	(47,000)
Ending balance	122,000	117,000	$ 145,000
Unfunded loan commitments available to related parties	2,700,000	$ 2,600,000
Credit Card
Loans and Leases Receivable, Related Parties [Roll Forward]
Loans receivable excluded from total amount, threshold	15,000
Overdraw Line
Loans and Leases Receivable, Related Parties [Roll Forward]
Loans receivable excluded from total amount, threshold	$ 5,000
Class A Common Stock, Par Value $1
Loans and Leases Receivable, Related Parties [Roll Forward]
Share repurchased from related party (in shares)		813,090	998,910
Class A Common Stock, Par Value $1 | Related Party
Loans and Leases Receivable, Related Parties [Roll Forward]
Share repurchased from related party (in shares)	0	45,000