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Note 17 - Fair Value Measurements (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] |
|  | Total |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Available for sale securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government agency debt obligations |  | $ | 242,141,000 |  |  | $ | 0 |  |  | $ | 242,141,000 |  |  | $ | 0 |
Mortgage-backed securities |  |  | 24,890,000 |  |  |  | 0 |  |  |  | 24,890,000 |  |  |  | 0 |
Municipal general obligation bonds |  |  | 107,824,000 |  |  |  | 0 |  |  |  | 107,058,000 |  |  |  | 766,000 |
Municipal revenue bonds |  |  | 11,992,000 |  |  |  | 0 |  |  |  | 11,992,000 |  |  |  | 0 |
Other investments |  |  | 500,000 |  |  |  | 0 |  |  |  | 500,000 |  |  |  | 0 |
Total |  | $ | 387,347,000 |  |  | $ | 0 |  |  | $ | 386,581,000 |  |  | $ | 766,000 |
|  | Total |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Available for sale securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government agency debt obligations |  | $ | 186,410,000 |  |  | $ | 0 |  |  | $ | 186,410,000 |  |  | $ | 0 |
Mortgage-backed securities |  |  | 42,470,000 |  |  |  | 0 |  |  |  | 42,470,000 |  |  |  | 0 |
Municipal general obligation bonds |  |  | 101,079,000 |  |  |  | 0 |  |  |  | 99,029,000 |  |  |  | 2,050,000 |
Municipal revenue bonds |  |  | 4,196,000 |  |  |  | 0 |  |  |  | 4,196,000 |  |  |  | 0 |
Other investments |  |  | 500,000 |  |  |  | 0 |  |  |  | 500,000 |  |  |  | 0 |
Total |  | $ | 334,655,000 |  |  | $ | 0 |  |  | $ | 332,605,000 |  |  | $ | 2,050,000 |
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block] |
|  |  |  |  |  | Quoted Prices |  |  |  |  |  |  |  |  |
|  |  |  |  |  | in Active |  |  | Significant |  |  |  |  |
|  |  |  |  |  | Markets for |  |  | Other |  |  | Significant |
|  |  |  |  |  | Identical |  |  | Observable |  |  | Unobservable |
|  |  |  |  |  | Assets |  |  | Inputs |  |  | Inputs |
|  | Total |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
Impaired loans |  | $ | 2,880,000 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 2,880,000 |
Foreclosed assets |  |  | 701,000 |  |  |  | 0 |  |  |  | 0 |  |  |  | 701,000 |
Total |  | $ | 3,581,000 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 3,581,000 |
|  |  |  |  |  | Quoted Prices |  |  |  |  |  |  |  |  |
|  |  |  |  |  | in Active |  |  | Significant |  |  |  |  |
|  |  |  |  |  | Markets for |  |  | Other |  |  | Significant |
|  |  |  |  |  | Identical |  |  | Observable |  |  | Unobservable |
|  |  |  |  |  | Assets |  |  | Inputs |  |  | Inputs |
|  | Total |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
Impaired loans |  | $ | 1,107,000 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 1,107,000 |
Foreclosed assets |  |  | 452,000 |  |  |  | 0 |  |  |  | 0 |  |  |  | 452,000 |
Total |  | $ | 1,559,000 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 1,559,000 |

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- Definition Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique used to measure similar asset in prior period by class of asset or liability on non-recurring basis. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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