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Securities (Narrative) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 USD ($) security item | Dec. 31, 2019 USD ($)
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items] |  |
Available-for-sale, Fair Value | $ 90,185 | $ 59,655
Available-for-sale Securities Pledged as Collateral | 31,202 | 22,307
US Agency Obligations [Member] |  |
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items] |  |
Available-for-sale, Fair Value | 41,320 | 32,108
Municipals [Member] |  |
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items] |  |
Available-for-sale, Fair Value | 24,773 | 11,222
Reportable Legal Entities [Member] |  |
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items] |  |
Available-for-sale, Fair Value | 13,313 | 9,733
Available-for-sale Securities, Gross Realized Gains | 644 | 394
Available-for-sale Securities, Gross Realized Losses | $ 0 | $ 0
S&P Rated AA [Member] | US Agency Obligations [Member] |  |
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items] |  |
Number Of Securities Held | item | 7 |
S&P Rated AA [Member] | Mortgage Backed Securities, Other [Member] |  |
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items] |  |
Number Of Securities Held | security | 2 |
S&P Rated A [Member] | Municipals [Member] |  |
Number Of Securities Evaluated For Other Than Temporary Impairment [Line Items] |  |
Number Of Securities Held | item | 9 |

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- Definition Amount of restricted investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b)(1)(i) -URI http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729 + Details
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