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Loans Receivable and Allowance for Loan Losses (Allowance for Loan Losses and Recorded Investment in Financing Receivables) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning balance, | $ 8,509 | $ 8,452
Charge Offs | (942) | (1,433)
Recoveries | 133 | 240
Provision for loan losses | 5,450 | 1,250
Ending balance, | 13,150 | 8,509
Ending balance individually evaluated for impairment |  | 417
Ending balance collectively evaluated for impairment | 13,150 | 8,092
Residential Real Estate Loans [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning balance, | 1,552 | 1,328
Charge Offs | (41) | (102)
Recoveries | 6 | 24
Provision for loan losses | 443 | 302
Ending balance, | 1,960 | 1,552
Ending balance individually evaluated for impairment |  |
Ending balance collectively evaluated for impairment | 1,960 | 1,552
Commercial Real Estate Loans [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning balance, | 4,687 | 5,455
Charge Offs | (452) | (627)
Recoveries | 39 | 125
Provision for loan losses | 3,730 | (266)
Ending balance, | 8,004 | 4,687
Ending balance individually evaluated for impairment |  | 417
Ending balance collectively evaluated for impairment | 8,004 | 4,270
Construction Real Estate Loans [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning balance, | 95 | 93
Charge Offs |  |
Recoveries |  |
Provision for loan losses | 55 | 2
Ending balance, | 150 | 95
Ending balance individually evaluated for impairment |  |
Ending balance collectively evaluated for impairment | 150 | 95
Commercial [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning balance, | 949 | 712
Charge Offs | (18) | (284)
Recoveries | 44 | 48
Provision for loan losses | 385 | 473
Ending balance, | 1,360 | 949
Ending balance individually evaluated for impairment |  |
Ending balance collectively evaluated for impairment | 1,360 | 949
Consumer Loans To Individuals [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Beginning balance, | 1,226 | 864
Charge Offs | (431) | (420)
Recoveries | 44 | 43
Provision for loan losses | 837 | 739
Ending balance, | 1,676 | 1,226
Ending balance individually evaluated for impairment |  |
Ending balance collectively evaluated for impairment | $ 1,676 | $ 1,226

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- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + 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 (c)(1) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(2)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121599878&loc=SL82895884-210446 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 + Details
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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 increase in allowance for credit loss on financing receivable from recovery. + 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=121647567&loc=SL82922352-210448 Reference 2: 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=121599337&loc=SL82919249-210447 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)(4) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
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