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v3.21.1

Note 2 - Securities (Tables) | 3 Months Ended
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Mar. 31, 2021
Notes Tables |
Available-for-sale Securities [Table Text Block] |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
March 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government agency debt obligations |  | $ | 274,038,000 |  |  | $ | 362,000 |  |  | $ | (7,572,000 | ) |  | $ | 266,828,000 |
Mortgage-backed securities |  |  | 35,211,000 |  |  |  | 925,000 |  |  |  | (328,000 | ) |  |  | 35,808,000 |
Municipal general obligation bonds |  |  | 111,294,000 |  |  |  | 4,517,000 |  |  |  | (274,000 | ) |  |  | 115,537,000 |
Municipal revenue bonds |  |  | 15,438,000 |  |  |  | 303,000 |  |  |  | (157,000 | ) |  |  | 15,584,000 |
Other investments |  |  | 500,000 |  |  |  | 0 |  |  |  | 0 |  |  |  | 500,000 |
|  | $ | 436,481,000 |  |  | $ | 6,107,000 |  |  | $ | (8,331,000 | ) |  | $ | 434,257,000 |
December 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government agency debt obligations |  | $ | 242,522,000 |  |  | $ | 516,000 |  |  | $ | (897,000 | ) |  | $ | 242,141,000 |
Mortgage-backed securities |  |  | 23,869,000 |  |  |  | 1,021,000 |  |  |  | 0 |  |  |  | 24,890,000 |
Municipal general obligation bonds |  |  | 101,991,000 |  |  |  | 5,833,000 |  |  |  | 0 |  |  |  | 107,824,000 |
Municipal revenue bonds |  |  | 11,521,000 |  |  |  | 473,000 |  |  |  | (2,000 | ) |  |  | 11,992,000 |
Other investments |  |  | 500,000 |  |  |  | 0 |  |  |  | 0 |  |  |  | 500,000 |
|  | $ | 380,403,000 |  |  | $ | 7,843,000 |  |  | $ | (899,000 | ) |  | $ | 387,347,000 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block] |
|  | Less than 12 Months |  |  | 12 Months or More |  |  | Total |
|  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
|  | Value |  |  | Loss |  |  | Value |  |  | Loss |  |  | Value |  |  | Loss |
March 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government agency debt obligations |  | $ | 234,832,000 |  |  | $ | 7,572,000 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 234,832,000 |  |  | $ | 7,572,000 |
Mortgage-backed securities |  |  | 7,264,000 |  |  |  | 328,000 |  |  |  | 0 |  |  |  | 0 |  |  |  | 7,264,000 |  |  |  | 328,000 |
Municipal general obligation bonds |  |  | 13,961,000 |  |  |  | 274,000 |  |  |  | 0 |  |  |  | 0 |  |  |  | 13,961,000 |  |  |  | 274,000 |
Municipal revenue bonds |  |  | 6,796,000 |  |  |  | 157,000 |  |  |  | 0 |  |  |  | 0 |  |  |  | 6,796,000 |  |  |  | 157,000 |
|  | $ | 262,853,000 |  |  | $ | 8,331,000 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 262,853,000 |  |  | $ | 8,331,000 |
|  | Less than 12 Months |  |  | 12 Months or More |  |  | Total |
|  | Fair Value |  |  | Unrealized Loss |  |  | Fair Value |  |  | Unrealized Loss |  |  | Fair Value |  |  | Unrealized Loss |
December 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government agency debt obligations |  | $ | 118,650,000 |  |  | $ | 897,000 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 118,650,000 |  |  | $ | 897,000 |
Mortgage-backed securities |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Municipal general obligation bonds |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Municipal revenue bonds |  |  | 423,000 |  |  |  | 2,000 |  |  |  | 0 |  |  |  | 0 |  |  |  | 423,000 |  |  |  | 2,000 |
|  | $ | 119,073,000 |  |  | $ | 899,000 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 119,073,000 |  |  | $ | 899,000 |
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | Weighted |  |  |  |  |  |  |  |  |
|  | Average |  |  | Amortized |  |  | Fair |
|  | Yield (%) |  |  | Cost |  |  | Value |
Due in 2021 |  |  | 2.53 |  |  | $ | 5,414,000 |  |  | $ | 5,425,000 |
Due in 2022 through 2026 |  |  | 1.16 |  |  |  | 142,876,000 |  |  |  | 143,569,000 |
Due in 2027 through 2031 |  |  | 1.63 |  |  |  | 197,842,000 |  |  |  | 195,378,000 |
Due in 2032 and beyond |  |  | 2.02 |  |  |  | 54,638,000 |  |  |  | 53,577,000 |
Mortgage-backed securities |  |  | 1.83 |  |  |  | 35,211,000 |  |  |  | 35,808,000 |
Other investments |  |  | 3.75 |  |  |  | 500,000 |  |  |  | 500,000 |
Total available for sale securities |  |  | 1.55 |  |  | $ | 436,481,000 |  |  | $ | 434,257,000 |

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