Note 4 - Loans and Allowance for Credit Losses - Allowance for Loan Losses by Portfolio Segment (Details) - USD ($)
|
3 Months Ended |
6 Months Ended |
12 Months Ended |
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest |
$ 14,803,000
|
$ 16,535,000
|
$ 14,519,000
|
$ 15,885,000
|
$ 15,885,000
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs |
(600,000)
|
(217,000)
|
(740,000)
|
(233,000)
|
(1,172,000)
|
| Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery |
42,000
|
4,000
|
66,000
|
70,000
|
|
| Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) |
550,000
|
(200,000)
|
950,000
|
400,000
|
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest |
14,795,000
|
16,122,000
|
14,795,000
|
16,122,000
|
14,519,000
|
| Reserve for unfunded commitments |
1,150,000
|
|
1,150,000
|
|
|
| Total |
15,903,000
|
17,485,000
|
15,719,000
|
16,585,000
|
16,585,000
|
| Total, Charge-offs |
(600,000)
|
(217,000)
|
(740,000)
|
(233,000)
|
|
| Total, Recovery |
42,000
|
4,000
|
66,000
|
70,000
|
|
| Provision for credit losses |
600,000
|
0
|
900,000
|
850,000
|
|
| Total |
15,945,000
|
17,272,000
|
15,945,000
|
17,272,000
|
15,719,000
|
| Unfunded Loan Commitment [Member] |
|
|
|
|
|
| Reserve for unfunded commitments |
1,100,000
|
950,000
|
1,200,000
|
700,000
|
700,000
|
| Reserve for unfunded commitments, Charge-offs |
0
|
0
|
0
|
0
|
|
| Reserve for unfunded commitments, Recovery |
0
|
0
|
0
|
0
|
|
| Reserve for unfunded commitments, Credit Loss Expense (Reversal) |
50,000
|
200,000
|
(50,000)
|
450,000
|
|
| Reserve for unfunded commitments |
1,150,000
|
1,150,000
|
1,150,000
|
1,150,000
|
1,200,000
|
| Commercial Portfolio Segment [Member] |
|
|
|
|
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest |
2,608,000
|
2,064,000
|
2,425,000
|
1,622,000
|
1,622,000
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs |
(584,000)
|
(185,000)
|
(723,000)
|
(195,000)
|
(648,000)
|
| Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery |
11,000
|
2,000
|
14,000
|
67,000
|
273,000
|
| Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) |
635,000
|
642,000
|
954,000
|
1,029,000
|
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest |
2,670,000
|
2,523,000
|
2,670,000
|
2,523,000
|
2,425,000
|
| Commercial Real Estate Portfolio Segment [Member] |
|
|
|
|
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest |
9,185,000
|
8,871,000
|
9,343,000
|
10,245,000
|
10,245,000
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs |
0
|
(26,000)
|
0
|
(26,000)
|
(26,000)
|
| Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery |
0
|
0
|
0
|
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) |
(63,000)
|
937,000
|
(221,000)
|
(437,000)
|
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest |
9,122,000
|
9,782,000
|
9,122,000
|
9,782,000
|
9,343,000
|
| Agricultural Portfolio Segment [Member] |
|
|
|
|
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest |
1,149,000
|
3,932,000
|
1,074,000
|
1,555,000
|
1,555,000
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs |
0
|
0
|
0
|
0
|
(474,000)
|
| Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery |
30,000
|
0
|
50,000
|
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) |
(59,000)
|
(1,949,000)
|
(4,000)
|
428,000
|
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest |
1,120,000
|
1,983,000
|
1,120,000
|
1,983,000
|
1,074,000
|
| Residential Mortgage [Member] |
|
|
|
|
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest |
1,212,000
|
980,000
|
1,005,000
|
1,779,000
|
1,779,000
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs |
0
|
(5,000)
|
0
|
(5,000)
|
(5,000)
|
| Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery |
0
|
0
|
0
|
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) |
8,000
|
63,000
|
215,000
|
(736,000)
|
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest |
1,220,000
|
1,038,000
|
1,220,000
|
1,038,000
|
1,005,000
|
| Residential Portfolio Segment [Member] |
|
|
|
|
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest |
364,000
|
407,000
|
376,000
|
433,000
|
433,000
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs |
0
|
0
|
0
|
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery |
0
|
0
|
0
|
0
|
0
|
| Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) |
(11,000)
|
92,000
|
(23,000)
|
66,000
|
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest |
353,000
|
499,000
|
353,000
|
499,000
|
376,000
|
| Consumer Portfolio Segment [Member] |
|
|
|
|
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest |
285,000
|
281,000
|
296,000
|
251,000
|
251,000
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Charge-offs |
(16,000)
|
(1,000)
|
(17,000)
|
(7,000)
|
(19,000)
|
| Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery |
1,000
|
2,000
|
2,000
|
3,000
|
33,000
|
| Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) |
40,000
|
15,000
|
29,000
|
50,000
|
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest |
$ 310,000
|
$ 297,000
|
$ 310,000
|
$ 297,000
|
$ 296,000
|