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Securities, Amortized Cost and Fair Value of Securities Held-to-maturity (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Debt Securities, Held-to-maturity, Maturity, Amortized Cost [Abstract] |  |
Amortized Cost | $ 10,294 | $ 10,020
Gross Unrealized Gains | 200 | 324
Gross Unrecognized Losses | (44) | 0
Estimated Fair Value | 10,450 | 10,344
Unrealized Losses and Other-than-temporary Impairment [Abstract] |  |
Holding of securities issued by Federal Farm Credit Bank | 18,500 |
Proceeds from sale of debt securities | 47,666 | 0
Loss on sale of securities | (1,066) | 0
Debt securities | 123,742 | 83,344
Other than temporary impairment losses | 0 | 0
Obligations of States and Political Subdivisions [Member] |  |
Debt Securities, Held-to-maturity, Maturity, Amortized Cost [Abstract] |  |
Amortized Cost | 10,292 | 10,018
Gross Unrealized Gains | 200 | 324
Gross Unrecognized Losses | (44) | 0
Estimated Fair Value | 10,448 | 10,342
Agency Mortgage-backed Securities, Residential [Member] |  |
Debt Securities, Held-to-maturity, Maturity, Amortized Cost [Abstract] |  |
Amortized Cost | 2 | 2
Gross Unrealized Gains | 0 | 0
Gross Unrecognized Losses | 0 | 0
Estimated Fair Value | $ 2 | $ 2

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- Definition Amount of realized gain (loss) on 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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27357-111563 + Details
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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 954 -SubTopic 210 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=120413173&loc=SL6242262-115580 Reference 2: 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 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 210 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120413209&loc=SL6242269-115581 + Details
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- Definition Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919253-210447 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953401-111524 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27232-111563 + Details
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