Note 7 - Loans and the Allowance for Loan Losses - Credit Quality Indicators (Details) - USD ($) $ in Thousands |
12 Months Ended |
Dec. 31, 2023 |
Dec. 31, 2022 |
Loans |
$ 4,992,785
|
$ 4,606,176
|
Total allowance, write off |
6,429
|
2,821
|
Pass [Member] |
|
|
Loans |
4,921,631
|
4,523,041
|
Special Mention [Member] |
|
|
Loans |
40,629
|
48,976
|
Substandard [Member] |
|
|
Loans |
27,856
|
27,924
|
Doubtful [Member] |
|
|
Loans |
2,669
|
6,235
|
Loss [Member] |
|
|
Loans |
0
|
|
Commercial Real Estate Portfolio Segment [Member] |
|
|
Loans |
3,570,120
|
3,398,858
|
Commercial Real Estate Portfolio Segment [Member] | Pass [Member] |
|
|
Loans |
|
3,332,445
|
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member] |
|
|
Loans |
|
42,330
|
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member] |
|
|
Loans |
|
20,560
|
Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member] |
|
|
Loans |
|
3,523
|
Commercial Real Estate Portfolio Segment [Member] | Commercial [Member] |
|
|
Total loan, current year |
228,986
|
|
Write off, current year |
0
|
|
Total loan, one year before |
753,558
|
|
Write off, one year before |
0
|
|
Total loan, two years before |
433,864
|
|
Write off, two years before |
357
|
|
Total loan, three years before |
155,407
|
|
Write off, three years before |
0
|
|
Total loan, four years before |
156,806
|
|
Write off, four years before |
1,447
|
|
Total loan, prior |
389,121
|
|
Write off, prior |
245
|
|
Total loan, Revolving |
100,186
|
|
Revolving, write off |
0
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Revolving Loans Converted to Term, write off |
0
|
|
Loans |
2,217,928
|
2,020,406
|
Total allowance, write off |
2,049
|
51
|
Commercial Real Estate Portfolio Segment [Member] | Commercial [Member] | Pass [Member] |
|
|
Total loan, current year |
228,902
|
|
Total loan, one year before |
751,649
|
|
Total loan, two years before |
427,269
|
|
Total loan, three years before |
151,848
|
|
Total loan, four years before |
149,946
|
|
Total loan, prior |
379,503
|
|
Total loan, Revolving |
99,723
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
2,188,840
|
1,972,611
|
Commercial Real Estate Portfolio Segment [Member] | Commercial [Member] | Special Mention [Member] |
|
|
Total loan, current year |
0
|
|
Total loan, one year before |
1,909
|
|
Total loan, two years before |
6,103
|
|
Total loan, three years before |
3,551
|
|
Total loan, four years before |
5,556
|
|
Total loan, prior |
1,313
|
|
Total loan, Revolving |
226
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
18,658
|
35,054
|
Commercial Real Estate Portfolio Segment [Member] | Commercial [Member] | Substandard [Member] |
|
|
Total loan, current year |
84
|
|
Total loan, one year before |
0
|
|
Total loan, two years before |
492
|
|
Total loan, three years before |
8
|
|
Total loan, four years before |
372
|
|
Total loan, prior |
7,970
|
|
Total loan, Revolving |
237
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
9,163
|
10,478
|
Commercial Real Estate Portfolio Segment [Member] | Commercial [Member] | Doubtful [Member] |
|
|
Total loan, current year |
0
|
|
Total loan, one year before |
0
|
|
Total loan, two years before |
0
|
|
Total loan, three years before |
0
|
|
Total loan, four years before |
932
|
|
Total loan, prior |
335
|
|
Total loan, Revolving |
0
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
1,267
|
2,263
|
Commercial Real Estate Portfolio Segment [Member] | Commercial [Member] | Loss [Member] |
|
|
Total loan, current year |
0
|
|
Total loan, one year before |
0
|
|
Total loan, two years before |
0
|
|
Total loan, three years before |
0
|
|
Total loan, four years before |
0
|
|
Total loan, prior |
0
|
|
Total loan, Revolving |
0
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
0
|
|
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] |
|
|
Total loan, current year |
131,617
|
|
Write off, current year |
0
|
|
Total loan, one year before |
322,741
|
|
Write off, one year before |
0
|
|
Total loan, two years before |
89,268
|
|
Write off, two years before |
0
|
|
Total loan, three years before |
22,562
|
|
Write off, three years before |
0
|
|
Total loan, four years before |
21,077
|
|
Write off, four years before |
1
|
|
Total loan, prior |
21,526
|
|
Write off, prior |
35
|
|
Total loan, Revolving |
61,007
|
|
Revolving, write off |
0
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Revolving Loans Converted to Term, write off |
0
|
|
Loans |
669,798
|
722,074
|
Total allowance, write off |
36
|
16
|
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Pass [Member] |
|
|
Total loan, current year |
131,617
|
|
Total loan, one year before |
322,032
|
|
Total loan, two years before |
85,438
|
|
Total loan, three years before |
22,515
|
|
Total loan, four years before |
19,402
|
|
Total loan, prior |
20,180
|
|
Total loan, Revolving |
60,612
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
661,796
|
716,071
|
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member] |
|
|
Total loan, current year |
0
|
|
Total loan, one year before |
647
|
|
Total loan, two years before |
2,601
|
|
Total loan, three years before |
31
|
|
Total loan, four years before |
0
|
|
Total loan, prior |
413
|
|
Total loan, Revolving |
395
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
4,087
|
3,496
|
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member] |
|
|
Total loan, current year |
0
|
|
Total loan, one year before |
62
|
|
Total loan, two years before |
1,229
|
|
Total loan, three years before |
16
|
|
Total loan, four years before |
1,675
|
|
Total loan, prior |
588
|
|
Total loan, Revolving |
0
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
3,570
|
2,157
|
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Doubtful [Member] |
|
|
Total loan, current year |
0
|
|
Total loan, one year before |
0
|
|
Total loan, two years before |
0
|
|
Total loan, three years before |
0
|
|
Total loan, four years before |
0
|
|
Total loan, prior |
345
|
|
Total loan, Revolving |
0
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
345
|
350
|
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Loss [Member] |
|
|
Total loan, current year |
0
|
|
Total loan, one year before |
0
|
|
Total loan, two years before |
0
|
|
Total loan, three years before |
0
|
|
Total loan, four years before |
0
|
|
Total loan, prior |
0
|
|
Total loan, Revolving |
0
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
0
|
|
Commercial Real Estate Portfolio Segment [Member] | Residential [Member] |
|
|
Total loan, current year |
76,662
|
|
Write off, current year |
0
|
|
Total loan, one year before |
171,086
|
|
Write off, one year before |
0
|
|
Total loan, two years before |
99,037
|
|
Write off, two years before |
11
|
|
Total loan, three years before |
69,244
|
|
Write off, three years before |
1
|
|
Total loan, four years before |
57,194
|
|
Write off, four years before |
22
|
|
Total loan, prior |
105,245
|
|
Write off, prior |
7
|
|
Total loan, Revolving |
103,906
|
|
Revolving, write off |
1
|
|
Total loan, Revolving Loans Converted to Term |
20
|
|
Revolving Loans Converted to Term, write off |
0
|
|
Loans |
682,394
|
656,378
|
Total allowance, write off |
42
|
191
|
Commercial Real Estate Portfolio Segment [Member] | Residential [Member] | Pass [Member] |
|
|
Total loan, current year |
76,662
|
|
Total loan, one year before |
170,229
|
|
Total loan, two years before |
98,329
|
|
Total loan, three years before |
68,281
|
|
Total loan, four years before |
54,902
|
|
Total loan, prior |
97,716
|
|
Total loan, Revolving |
103,252
|
|
Total loan, Revolving Loans Converted to Term |
20
|
|
Loans |
669,391
|
643,763
|
Commercial Real Estate Portfolio Segment [Member] | Residential [Member] | Special Mention [Member] |
|
|
Total loan, current year |
0
|
|
Total loan, one year before |
433
|
|
Total loan, two years before |
0
|
|
Total loan, three years before |
386
|
|
Total loan, four years before |
1,112
|
|
Total loan, prior |
1,230
|
|
Total loan, Revolving |
0
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
3,161
|
3,780
|
Commercial Real Estate Portfolio Segment [Member] | Residential [Member] | Substandard [Member] |
|
|
Total loan, current year |
0
|
|
Total loan, one year before |
410
|
|
Total loan, two years before |
708
|
|
Total loan, three years before |
520
|
|
Total loan, four years before |
1,061
|
|
Total loan, prior |
6,000
|
|
Total loan, Revolving |
654
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
9,353
|
7,925
|
Commercial Real Estate Portfolio Segment [Member] | Residential [Member] | Doubtful [Member] |
|
|
Total loan, current year |
0
|
|
Total loan, one year before |
14
|
|
Total loan, two years before |
0
|
|
Total loan, three years before |
57
|
|
Total loan, four years before |
119
|
|
Total loan, prior |
299
|
|
Total loan, Revolving |
0
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
489
|
910
|
Commercial Real Estate Portfolio Segment [Member] | Residential [Member] | Loss [Member] |
|
|
Total loan, current year |
0
|
|
Total loan, one year before |
0
|
|
Total loan, two years before |
0
|
|
Total loan, three years before |
0
|
|
Total loan, four years before |
0
|
|
Total loan, prior |
0
|
|
Total loan, Revolving |
0
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
0
|
|
Commercial Portfolio Segment [Member] |
|
|
Total loan, current year |
305,308
|
|
Write off, current year |
0
|
|
Total loan, one year before |
269,572
|
|
Write off, one year before |
247
|
|
Total loan, two years before |
142,718
|
|
Write off, two years before |
25
|
|
Total loan, three years before |
50,401
|
|
Write off, three years before |
49
|
|
Total loan, four years before |
22,592
|
|
Write off, four years before |
1,632
|
|
Total loan, prior |
65,601
|
|
Write off, prior |
658
|
|
Total loan, Revolving |
502,371
|
|
Revolving, write off |
202
|
|
Total loan, Revolving Loans Converted to Term |
275
|
|
Revolving Loans Converted to Term, write off |
0
|
|
Loans |
1,358,838
|
1,153,873
|
Total allowance, write off |
2,813
|
2,139
|
Commercial Portfolio Segment [Member] | Pass [Member] |
|
|
Total loan, current year |
303,160
|
|
Total loan, one year before |
267,678
|
|
Total loan, two years before |
136,291
|
|
Total loan, three years before |
48,990
|
|
Total loan, four years before |
21,137
|
|
Total loan, prior |
61,166
|
|
Total loan, Revolving |
499,642
|
|
Total loan, Revolving Loans Converted to Term |
275
|
|
Loans |
1,338,339
|
1,137,555
|
Commercial Portfolio Segment [Member] | Special Mention [Member] |
|
|
Total loan, current year |
1,439
|
|
Total loan, one year before |
698
|
|
Total loan, two years before |
5,483
|
|
Total loan, three years before |
448
|
|
Total loan, four years before |
584
|
|
Total loan, prior |
3,843
|
|
Total loan, Revolving |
2,128
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
14,623
|
6,646
|
Commercial Portfolio Segment [Member] | Substandard [Member] |
|
|
Total loan, current year |
709
|
|
Total loan, one year before |
1,196
|
|
Total loan, two years before |
928
|
|
Total loan, three years before |
921
|
|
Total loan, four years before |
640
|
|
Total loan, prior |
341
|
|
Total loan, Revolving |
573
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
5,308
|
6,960
|
Commercial Portfolio Segment [Member] | Doubtful [Member] |
|
|
Total loan, current year |
0
|
|
Total loan, one year before |
0
|
|
Total loan, two years before |
16
|
|
Total loan, three years before |
42
|
|
Total loan, four years before |
231
|
|
Total loan, prior |
251
|
|
Total loan, Revolving |
28
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
568
|
2,712
|
Commercial Portfolio Segment [Member] | Loss [Member] |
|
|
Total loan, current year |
0
|
|
Total loan, one year before |
0
|
|
Total loan, two years before |
0
|
|
Total loan, three years before |
0
|
|
Total loan, four years before |
0
|
|
Total loan, prior |
0
|
|
Total loan, Revolving |
0
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
0
|
|
Consumer Portfolio Segment [Member] |
|
|
Total loan, current year |
11,245
|
|
Write off, current year |
8
|
|
Total loan, one year before |
7,246
|
|
Write off, one year before |
78
|
|
Total loan, two years before |
3,427
|
|
Write off, two years before |
29
|
|
Total loan, three years before |
1,938
|
|
Write off, three years before |
11
|
|
Total loan, four years before |
2,399
|
|
Write off, four years before |
18
|
|
Total loan, prior |
18,372
|
|
Write off, prior |
61
|
|
Total loan, Revolving |
19,074
|
|
Revolving, write off |
1,284
|
|
Total loan, Revolving Loans Converted to Term |
126
|
|
Revolving Loans Converted to Term, write off |
0
|
|
Loans |
63,827
|
53,445
|
Total allowance, write off |
1,489
|
424
|
Consumer Portfolio Segment [Member] | Pass [Member] |
|
|
Total loan, current year |
11,245
|
|
Total loan, one year before |
7,219
|
|
Total loan, two years before |
3,372
|
|
Total loan, three years before |
1,850
|
|
Total loan, four years before |
2,359
|
|
Total loan, prior |
18,280
|
|
Total loan, Revolving |
18,814
|
|
Total loan, Revolving Loans Converted to Term |
126
|
|
Loans |
63,265
|
53,041
|
Consumer Portfolio Segment [Member] | Special Mention [Member] |
|
|
Total loan, current year |
0
|
|
Total loan, one year before |
0
|
|
Total loan, two years before |
0
|
|
Total loan, three years before |
0
|
|
Total loan, four years before |
0
|
|
Total loan, prior |
0
|
|
Total loan, Revolving |
100
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
100
|
0
|
Consumer Portfolio Segment [Member] | Substandard [Member] |
|
|
Total loan, current year |
0
|
|
Total loan, one year before |
27
|
|
Total loan, two years before |
55
|
|
Total loan, three years before |
88
|
|
Total loan, four years before |
40
|
|
Total loan, prior |
92
|
|
Total loan, Revolving |
160
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
462
|
404
|
Consumer Portfolio Segment [Member] | Doubtful [Member] |
|
|
Total loan, current year |
0
|
|
Total loan, one year before |
0
|
|
Total loan, two years before |
0
|
|
Total loan, three years before |
0
|
|
Total loan, four years before |
0
|
|
Total loan, prior |
0
|
|
Total loan, Revolving |
0
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
0
|
$ 0
|
Consumer Portfolio Segment [Member] | Loss [Member] |
|
|
Total loan, current year |
0
|
|
Total loan, one year before |
0
|
|
Total loan, two years before |
0
|
|
Total loan, three years before |
0
|
|
Total loan, four years before |
0
|
|
Total loan, prior |
0
|
|
Total loan, Revolving |
0
|
|
Total loan, Revolving Loans Converted to Term |
0
|
|
Loans |
$ 0
|
|