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Loans Receivable and Allowance for Loan Losses (Classes of the Loan Portfolio Summarized by the Aggregate Risk Rating) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	$ 396,998	$ 399,199
Total Summarized by Aggregate Risk Rating [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	593,730	525,477
Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	579,807	509,804
Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	10,686	12,516
Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	3,237	3,157
Doubtful Or Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount		0
Performing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	396,242	398,553
Nonperforming [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	756	646
Commercial Real Estate Loans [Member] | Total Summarized by Aggregate Risk Rating [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	398,813	391,327
Commercial Real Estate Loans [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	385,332	376,109
Commercial Real Estate Loans [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	10,413	12,268
Commercial Real Estate Loans [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	3,068	2,950
Commercial Real Estate Loans [Member] | Doubtful Or Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount		0
Commercial [Member] | Total Summarized by Aggregate Risk Rating [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	194,917	134,150
Commercial [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	194,475	133,695
Commercial [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	273	248
Commercial [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	169	207
Commercial [Member] | Doubtful Or Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount		0
Residential Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	226,120	229,781
Residential Real Estate Loans [Member] | Performing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	225,655	229,214
Residential Real Estate Loans [Member] | Nonperforming [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	465	567
Construction Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	15,182	17,732
Construction Real Estate Loans [Member] | Performing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	15,182	17,732
Consumer Loans To Individuals [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	155,696	151,686
Consumer Loans To Individuals [Member] | Performing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	155,405	151,607
Consumer Loans To Individuals [Member] | Nonperforming [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	$ 291	$ 79

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No definition available.

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- Definition

Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522

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