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Investments, Gross Gains and Losses, Available for Sale Securities (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Investments [Abstract] |  |  |  |  |
Proceeds from sale of securities available-for-sale | $ 24,153,000 | $ 13,145,000 | $ 29,198,000 | $ 18,621,000 |
Gross gains and losses on available-for-sale securities [Abstract] |  |  |  |  |
Gross gains on available for sale securities | 252,000 | 192,000 | 302,000 | 309,000 |
Gross losses on available for sale securities | (90,000) | (7,000) | (90,000) | (7,000) |
Net gains | 162,000 | 185,000 | 212,000 | 302,000 |
Equity securities [Abstract] |  |  |  |  |
Net gains (losses) recognized in equity securities during the period | 72,000 | (33,000) | 288,000 | (276,000) |
Less: Net gains realized on the sale of equity securities during the period | 0 | 68,000 | 0 | 68,000 |
Net unrealized gains (losses) | 72,000 | $ (101,000) | 288,000 | $ (344,000) |
Investment securities pledged as collateral | $ 288,100,000 |  | $ 288,100,000 |  | $ 245,400,000

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- Definition Sum of the carrying amounts as of the date of the latest financial statement presented of securities which are owned but transferred to another party to serve as collateral to partially or fully secure a debt obligation, repurchase agreement or other current or potential obligation, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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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