Segment Reporting (Narrative) (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) segment	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | segment			2
Amortization of intangible assets			$ 247,000	$ 248,000
Goodwill	$ 11,000,000.0		11,000,000.0		$ 11,000,000.0
Community Banking Segment [Member]
Segment Reporting Information [Line Items]
Intangible assets	400,000		400,000		500,000
Trust and Investment Services Segment [Member]
Segment Reporting Information [Line Items]
Amortization of intangible assets	52,000	$ 52,000	156,000	$ 156,000
Operating Segments [Member] | Trust and Investment Services Segment [Member]
Segment Reporting Information [Line Items]
Nonfiduciary assets	600,000		600,000		700,000
Intangible assets	$ 500,000		$ 500,000		$ 600,000