Loans and Allowance for Credit Losses (Troubled Debt Restructurings Modified by Portfolio Class) (Details) $ in Thousands	12 Months Ended
Dec. 31, 2022 USD ($) Contract	Dec. 31, 2021 USD ($) Contract	Dec. 31, 2020 USD ($) Contract
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contract	6	14	26
Pre-Modification Outstanding Recorded Investment	$ 224	$ 8,807	$ 4,570
Post-Modification Outstanding Recorded Investment	$ 229	$ 8,830	$ 4,570
Construction and Land Development [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contract			1
Pre-Modification Outstanding Recorded Investment			$ 15
Post-Modification Outstanding Recorded Investment			$ 15
Residential Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contract	3	6	15
Pre-Modification Outstanding Recorded Investment	$ 148	$ 1,489	$ 3,424
Post-Modification Outstanding Recorded Investment	$ 153	$ 1,512	$ 3,424
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contract	3	4	6
Pre-Modification Outstanding Recorded Investment	$ 76	$ 86	$ 89
Post-Modification Outstanding Recorded Investment	$ 76	$ 86	$ 89
Total Commercial And Industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contract		4	4
Pre-Modification Outstanding Recorded Investment		$ 7,232	$ 1,042
Post-Modification Outstanding Recorded Investment		$ 7,232	$ 1,042
Total Commercial And Industrial [Member] \| Commercial Non-Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contract		4	3
Pre-Modification Outstanding Recorded Investment		$ 7,232	$ 745
Post-Modification Outstanding Recorded Investment		$ 7,232	$ 745
Total Commercial And Industrial [Member] \| Commercial Real Estate - Owner Occupied
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contract			1
Pre-Modification Outstanding Recorded Investment			$ 297
Post-Modification Outstanding Recorded Investment			$ 297

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Number of financing receivables that have been modified by troubled debt restructurings.

+ 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 https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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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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