Loans and Allowance for Loan and Lease Losses (Troubled Debt Restructurings) (Details) - USD ($)	3 Months Ended	12 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 1,860,000	$ 1,909,000
Financing Receivable, Modifications, Post-Modification Recorded Investment	1,760,000	1,808,000
Financing Receivable, Modifications, Recorded Investment	774,000	819,000
Commercial Portfolio [Member] \| Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Pre-Modification Recorded Investment	1,213,000	1,214,000
Financing Receivable, Modifications, Post-Modification Recorded Investment	1,115,000	1,115,000
Financing Receivable, Modifications, Recorded Investment	309,000	320,000
Commercial Portfolio [Member] \| Commercial and Industrial [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Pre-Modification Recorded Investment		8,000
Financing Receivable, Modifications, Post-Modification Recorded Investment		8,000
Financing Receivable, Modifications, Recorded Investment		5,000
Commercial Portfolio [Member] \| Commercial Real Estate - Construction [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Pre-Modification Recorded Investment		40,000
Financing Receivable, Modifications, Post-Modification Recorded Investment		40,000
Financing Receivable, Modifications, Recorded Investment		22,000
Residential Portfolio [Member] \| Residential Mortgage [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Pre-Modification Recorded Investment	647,000	647,000
Financing Receivable, Modifications, Post-Modification Recorded Investment	645,000	645,000
Financing Receivable, Modifications, Recorded Investment	$ 465,000	$ 472,000

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Amount, after troubled debt restructuring, of modified financing receivable.

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Amount, before troubled debt restructuring, of financing receivable to be modified.

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Amount of financing receivable modified as troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554

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