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Loans and Leases (Schedule of Change in Allowance for Loan Losses and the Recorded Investment in Loans) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Allowance for Loan Losses: Beginning balance | $ 9,747 | $ 9,747 | $ 9,747
Charge-offs | (301) | (513) | (1,509)
Recoveries | 271 | 33 | 424
Provisions | 300 | 255 | 1,085
Allowance for Loan Losses: Ending balance | 10,017 | 9,522 | 9,747
Allowance for Loan Losses: Ending balance: individually evaluated for impairment | 719 |  | 908
Allowance for Loan Losses: Ending balance: collectively evaluated for impairment | 9,298 |  | 8,839
Loan Receivables: Ending balance | 745,124 |  | 753,410
Loans Receivable: Ending balance: individually evaluated for impairment | 4,642 |  | 4,665
Loans Receivable: Ending balance: collectively evaluated for impairment | 740,482 |  | 748,745
Unearned lease revenue | 938 |  | 903
Deferred loan costs | 3,000 |  | 3,000
Commercial And Industrial [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Allowance for Loan Losses: Beginning balance | 1,484 | 1,432 | 1,432
Charge-offs | (64) | (28) | (184)
Recoveries | 12 | 6 | 32
Provisions | 121 | (3) | 204
Allowance for Loan Losses: Ending balance | 1,553 | 1,407 | 1,484
Allowance for Loan Losses: Ending balance: individually evaluated for impairment | 195 |  | 221
Allowance for Loan Losses: Ending balance: collectively evaluated for impairment | 1,358 |  | 1,263
Loan Receivables: Ending balance | 118,140 |  | 122,594
Loans Receivable: Ending balance: individually evaluated for impairment | 310 |  | 336
Loans Receivable: Ending balance: collectively evaluated for impairment | 117,830 |  | 122,258
Commercial Real Estate [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Allowance for Loan Losses: Beginning balance | 3,933 | 3,901 | 3,901
Charge-offs | (163) | (361) | (597)
Recoveries | 2 | 2 | 317
Provisions | 171 | 485 | 312
Allowance for Loan Losses: Ending balance | 3,943 | 4,027 | 3,933
Allowance for Loan Losses: Ending balance: individually evaluated for impairment | 312 |  | 426
Allowance for Loan Losses: Ending balance: collectively evaluated for impairment | 3,631 |  | 3,507
Loan Receivables: Ending balance | 224,802 |  | 235,013
Loans Receivable: Ending balance: individually evaluated for impairment | 2,872 |  | 2,948
Loans Receivable: Ending balance: collectively evaluated for impairment | 221,930 |  | 232,065
Consumer [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Allowance for Loan Losses: Beginning balance | 2,013 | 2,548 | 2,548
Charge-offs | (43) | (89) | (398)
Recoveries | 64 | 25 | 67
Provisions | 60 | (354) | (204)
Allowance for Loan Losses: Ending balance | 2,094 | 2,130 | 2,013
Allowance for Loan Losses: Ending balance: individually evaluated for impairment | 75 |  | 87
Allowance for Loan Losses: Ending balance: collectively evaluated for impairment | 2,019 |  | 1,926
Loan Receivables: Ending balance | 207,962 |  | 210,869
Loans Receivable: Ending balance: individually evaluated for impairment | 494 |  | 375
Loans Receivable: Ending balance: collectively evaluated for impairment | 207,468 |  | 210,494
Residential Real Estate [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Allowance for Loan Losses: Beginning balance | 2,278 | 1,844 | 1,844
Charge-offs | (31) | (35) | (330)
Recoveries | 193 |  | 8
Provisions | (47) | 101 | 756
Allowance for Loan Losses: Ending balance | 2,393 | 1,910 | 2,278
Allowance for Loan Losses: Ending balance: individually evaluated for impairment | 137 |  | 174
Allowance for Loan Losses: Ending balance: collectively evaluated for impairment | 2,256 |  | 2,104
Loan Receivables: Ending balance | 194,220 |  | 184,934
Loans Receivable: Ending balance: individually evaluated for impairment | 966 |  | 1,006
Loans Receivable: Ending balance: collectively evaluated for impairment | 193,254 |  | 183,928
Unallocated [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Allowance for Loan Losses: Beginning balance | 39 | 22 | 22
Provisions | (5) | 26 | 17
Allowance for Loan Losses: Ending balance | 34 | $ 48 | 39
Allowance for Loan Losses: Ending balance: collectively evaluated for impairment | $ 34 |  | $ 39

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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + Details
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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + Details
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- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=118955255&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=118939070&loc=d3e15032-111544 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 + Details
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