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Summary Of Significant Accounting Policies (Narrative) (Details) | 12 Months Ended
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Dec. 31, 2019 USD ($) segment | Dec. 31, 2018 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |
Maximum maturing period for cash and cash equivalents | 90 days |
Duration of loans interest stops accruing | 90 days |
Duration of consecutive payments before future payments assured | 6 months |
Duration of consumer term loans charged-off | 120 days |
Duration of consumer revolving credit loans charged-off | 180 days |
Impaired loans TDR | $ 410,000 | $ 424,000
Minimum principal loan balance for individual impairment test | 100,000,000 |
Unrecognized tax liabilities | $ 0 | 0
Number of reportable segments | segment | 2 |
Advertising expense | $ 866,000 | $ 611,000
Equipment [Member] | Maximum [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful life | 7 years |
Equipment [Member] | Minimum [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful life | 3 years |
Building and Building Improvements [Member] | Maximum [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful life | 39 years 6 months |
Building and Building Improvements [Member] | Minimum [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful life | 10 years |

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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