Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Mar. 31, 2016
Acquired Finite Lived Intangible Assets [Line Items]
Amortization expense	$ 200,000	$ 200,000	$ 200,000
2022	200,000
2023	200,000
2024	200,000
2025	200,000
2026	200,000
Goodwill	28,008,000	28,008,000
Impairment	0	0
Buchanan [Member]
Acquired Finite Lived Intangible Assets [Line Items]
Goodwill	$ 28,000,000.0	$ 28,000,000.0		$ 28,000,000.0