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Loans and Related Allowance for Credit Losses (Allowance for Loan Losses Summarized by Loan Portfolio Segments) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |
ALL Beginning Balance |  | $ 14,636 | $ 14,636
ALL Beginning Balance | $ 17,480 |  |
Loan Charge-offs | (618) | (339) | (1,439)
Recoveries collected | 159 | 94 |
Credit loss expense - loans | 961 | 414 |
ALL Ending Balance | 17,982 | 16,871 | 17,480
Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |
ALL Beginning Balance |  | 2,066 | 2,066
Commercial Real Estate [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |
ALL Beginning Balance |  | 6,345 | 6,345
ALL Beginning Balance | 5,120 |  |
Recoveries collected | 37 | 5 |
Credit loss expense - loans | (195) | (345) |
ALL Ending Balance | 4,962 | 4,862 | 5,120
Commercial Real Estate [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |
ALL Beginning Balance |  | (1,143) | (1,143)
Acquisition and Development [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |
ALL Beginning Balance |  | 979 | 979
ALL Beginning Balance | 940 |  |
Recoveries collected | 3 | 5 |
Credit loss expense - loans | 71 | 134 |
ALL Ending Balance | 1,014 | 1,103 | 940
Acquisition and Development [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |
ALL Beginning Balance |  | (15) | (15)
Commercial and industrial [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |
ALL Beginning Balance |  | 2,845 | 2,845
ALL Beginning Balance | 3,717 |  |
Loan Charge-offs | (112) |  | (423)
Recoveries collected | 31 | 4 |
Credit loss expense - loans | 366 | (428) |
ALL Ending Balance | 4,002 | 3,755 | 3,717
Commercial and industrial [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |
ALL Beginning Balance |  | 1,334 | 1,334
Residential Mortgage [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |
ALL Beginning Balance |  | 3,160 | 3,160
ALL Beginning Balance | 6,774 |  |
Loan Charge-offs |  | (6) |
Recoveries collected | 18 | 18 |
Credit loss expense - loans | 225 | 1,040 |
ALL Ending Balance | 7,017 | 6,324 | 6,774
Residential Mortgage [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |
ALL Beginning Balance |  | 2,112 | 2,112
Consumer [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |
ALL Beginning Balance |  | 877 | 877
ALL Beginning Balance | 929 |  |
Loan Charge-offs | (506) | (333) | (874)
Recoveries collected | 70 | 62 |
Credit loss expense - loans | 494 | 13 |
ALL Ending Balance | $ 987 | 827 | 929
Consumer [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |
ALL Beginning Balance |  | 208 | 208
Unallocated [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |
ALL Beginning Balance |  | 430 | 430
Unallocated [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |
ALL Beginning Balance |  | $ (430) | $ (430)

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 + Details
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- Definition Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
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- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481696/310-30-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(1) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (g) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480418/310-10-S99-4 + Details
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