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Loans and Allowance for Credit Losses (Allowance for Credit Losses on Loans Receivable with Impairment) (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans individually evaluated for impairment | $ 12,524 | $ 13,256
Loans collectively evaluated for impairment | 1,448,998 | 1,441,000
Total loans | 1,461,522 | 1,454,256
Allowance for credit losses allocated to: |  |
Loans individually evaluated for impairment | 95 | 213
Loans collectively evaluated for impairment | 14,218 | 13,675
Loans and Leases Receivable, Allowance, Total | 14,313 | 13,888
Commercial and Residential Real Estate Portfolio Segment [Member] | Construction Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans individually evaluated for impairment | 329 | 331
Loans collectively evaluated for impairment | 115,642 | 106,429
Total loans | 115,971 | 106,760
Allowance for credit losses allocated to: |  |
Loans collectively evaluated for impairment | 2,796 | 2,022
Loans and Leases Receivable, Allowance, Total | 2,796 | 2,022
Residential Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans individually evaluated for impairment | 5,281 | 5,722
Loans collectively evaluated for impairment | 444,370 | 437,820
Total loans | 449,651 | 443,542
Allowance for credit losses allocated to: |  |
Loans individually evaluated for impairment | 95 | 135
Loans collectively evaluated for impairment | 3,604 | 3,564
Loans and Leases Receivable, Allowance, Total | 3,699 | 3,699
Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans individually evaluated for impairment | 6,638 | 6,917
Loans collectively evaluated for impairment | 634,517 | 654,315
Total loans | 641,155 | 661,232
Allowance for credit losses allocated to: |  |
Loans individually evaluated for impairment |  | 78
Loans collectively evaluated for impairment | 5,097 | 5,348
Loans and Leases Receivable, Allowance, Total | 5,097 | 5,426
Commercial Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans individually evaluated for impairment | 248 | 258
Loans collectively evaluated for impairment | 218,675 | 210,998
Total loans | 218,923 | 211,256
Allowance for credit losses allocated to: |  |
Loans collectively evaluated for impairment | 2,000 | 2,089
Loans and Leases Receivable, Allowance, Total | 2,000 | 2,089
Consumer Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Loans individually evaluated for impairment | 28 | 28
Loans collectively evaluated for impairment | 35,794 | 31,438
Total loans | 35,822 | 31,466
Allowance for credit losses allocated to: |  |
Loans collectively evaluated for impairment | 721 | 652
Loans and Leases Receivable, Allowance, Total | $ 721 | $ 652

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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=121611835&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=121611835&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 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 2: 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=121614798&loc=d3e15032-111544 Reference 3: 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=121611835&loc=SL6953423-111524 Reference 4: 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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