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Securities (Narrative) (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 USD ($) security | Mar. 31, 2020 USD ($) | Dec. 31, 2020 USD ($) security
Schedule of Available-for-sale Securities [Line Items] |  |  |
Other-than-temporary impairment | $ 0 | $ 0 |
Sales of securities | 0 | $ 0 |
Unrealized loss | $ 10,000 |  | $ 0
U.S. Government-Sponsored Entities And Agencies [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Holdings of securities greater than 10% of stockholders' equity | security | 0 |  | 0
Minimum percentage of securities held | 10.00% |  | 10.00%

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- Definition Number Of Holdings Of Securities Greater Than Ten Percent + References No definition available. + Details
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- Definition Accumulated other comprehensive loss related to portion of other than temporary impairment (OTTI) due to factors other than credit losses on debt securities categorized as available-for-sale that an entity does not intend to sell and which it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis of the debt security. The amount represented by this item is net of tax, as applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 9A -URI http://asc.fasb.org/extlink&oid=121553693&loc=SL6284427-111562 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aaa) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669686-108580 + Details
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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27337-111563 + Details
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