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Securities (Tables) | 12 Months Ended
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Dec. 31, 2020
Securities [Abstract] |
Schedule of Amortized Cost Gross Unrealized Gains and Losses, and Fair Values of Securities |
| December 31, 2020
|  |  |  | Gross |  | Gross |  |  |
| Amortized |  | Unrealized |  | Unrealized |  | Fair
| Cost |  | Gains |  | Losses |  | Value
| (In Thousands)
AVAILABLE FOR SALE: |  |  |  |  |  |  |  |  |  |  |
U.S. Government agencies | $ | 3,998 |  | $ | — |  | $ | (29) |  | $ | 3,969
States and political subdivisions |  | 70,672 |  |  | 2,419 |  |  | — |  |  | 73,091
Corporate obligations |  | 3,019 |  |  | 13 |  |  | — |  |  | 3,032
Mortgage-backed securities- |  |  |  |  |  |  |  |  |  |  |
government sponsored entities |  | 143,712 |  |  | 2,809 |  |  | (27) |  |  | 146,494
Total debt securities | $ | 221,401 |  | $ | 5,241 |  | $ | (56) |  | $ | 226,586
| December 31, 2019
|  |  |  | Gross |  | Gross |  |  |
| Amortized |  | Unrealized |  | Unrealized |  | Fair
| Cost |  | Gains |  | Losses |  | Value
| (In Thousands)
AVAILABLE FOR SALE: |  |  |  |  |  |  |  |  |  |  |
States and political subdivisions | $ | 70,015 |  | $ | 1,293 |  | $ | (3) |  | $ | 71,305
Corporate obligations |  | 4,097 |  |  | 3 |  |  | — |  |  | 4,100
Mortgage-backed securities- |  |  |  |  |  |  |  |  |  |  |
government sponsored entities |  | 135,646 |  |  | 238 |  |  | (1,084) |  |  | 134,800
Total debt securities | $ | 209,758 |  | $ | 1,534 |  | $ | (1,087) |  | $ | 210,205
Schedule of Investments' Gross Unrealized Losses and Fair Value Aggregated by Security Type and Length of Time that Individual Securities have been in a Continous Unrealized Loss Position |
| December 31, 2020
| Less than 12 Months |  | 12 Months or More |  | Total
| Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
U.S. Government agencies | $ | 3,969 |  |  | (29) |  |  | — |  |  | — |  |  | 3,969 |  |  | (29)
Mortgage-backed securities-government sponsored entities | $ | 4,980 |  | $ | (27) |  | $ | — |  | $ | — |  | $ | 4,980 |  | $ | (27)
| $ | 8,949 |  | $ | (56) |  | $ | — |  | $ | — |  | $ | 8,949 |  | $ | (56)
| December 31, 2019
| Less than 12 Months |  | 12 Months or More |  | Total
| Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
States and political subdivisions | $ | 1,296 |  | $ | (2) |  | $ | 481 |  | $ | (1) |  | $ | 1,777 |  | $ | (3)
Mortgage-backed securities-government sponsored entities |  | 32,415 |  |  | (241) |  |  | 61,096 |  |  | (843) |  |  | 93,511 |  |  | (1,084)
| $ | 33,711 |  | $ | (243) |  | $ | 61,577 |  | $ | (844) |  | $ | 95,288 |  | $ | (1,087)
Schedule of Amortized Cost and Fair Value of Debt Securities by Contractual Maturity |
| Amortized |  | Fair
| Cost |  | Value
|  | (In Thousands)
Due in one year or less | $ | 5,498 |  | $ | 5,532
Due after one year through five years |  | 5,373 |  |  | 5,510
Due after five years through ten years |  | 23,276 |  |  | 23,676
Due after ten years |  | 43,542 |  |  | 45,374
|  | 77,689 |  |  | 80,092
Mortgage-backed securities - government sponsored entities |  | 143,712 |  |  | 146,494
| $ | 221,401 |  | $ | 226,586

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- Definition For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27290-111563 + Details
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