Note 4 - Loans Receivable - Individually Evaluated Impaired Loans (Details) - USD ($) $ in Thousands |
12 Months Ended |
Dec. 31, 2021 |
Dec. 31, 2020 |
| Residential Portfolio Segment [Member] |
|
|
| With no related allowance recorded, recorded investment |
$ 1,683
|
$ 1,895
|
| With no related allowance recorded, unpaid principal balance |
3,017
|
3,228
|
| With no related allowance recorded, average recorded investment |
1,689
|
2,028
|
| With no related allowance recorded, interest income recognized |
113
|
115
|
| With an allowance recorded, recorded investment |
88
|
270
|
| With an allowance recorded, unpaid principal balance |
88
|
314
|
| With an allowance recorded, related allowance |
17
|
173
|
| With an allowance recorded, average recorded investment |
145
|
174
|
| With an allowance recorded, interest income recognized |
2
|
6
|
| Total, recorded investment |
1,771
|
2,165
|
| Total, unpaid principal balance |
3,105
|
3,542
|
| Total, average recorded investment |
1,834
|
2,202
|
| Total, interest income recognized |
115
|
121
|
| Total, related allowance |
17
|
173
|
| Home Equity Portfolio Segment [Member] |
|
|
| With no related allowance recorded, recorded investment |
262
|
352
|
| With no related allowance recorded, unpaid principal balance |
275
|
363
|
| With no related allowance recorded, average recorded investment |
298
|
373
|
| With no related allowance recorded, interest income recognized |
12
|
16
|
| With an allowance recorded, recorded investment |
22
|
1
|
| With an allowance recorded, unpaid principal balance |
22
|
9
|
| With an allowance recorded, related allowance |
4
|
1
|
| With an allowance recorded, average recorded investment |
18
|
5
|
| With an allowance recorded, interest income recognized |
1
|
0
|
| Total, recorded investment |
284
|
353
|
| Total, unpaid principal balance |
297
|
372
|
| Total, average recorded investment |
316
|
378
|
| Total, interest income recognized |
13
|
16
|
| Total, related allowance |
4
|
1
|
| Commercial Real Estate Portfolio Segment [Member] |
|
|
| With no related allowance recorded, recorded investment |
765
|
1,177
|
| With no related allowance recorded, unpaid principal balance |
765
|
1,761
|
| With no related allowance recorded, average recorded investment |
1,167
|
1,305
|
| With no related allowance recorded, interest income recognized |
43
|
80
|
| With an allowance recorded, recorded investment |
835
|
5,164
|
| With an allowance recorded, unpaid principal balance |
835
|
5,164
|
| With an allowance recorded, related allowance |
386
|
1,089
|
| With an allowance recorded, average recorded investment |
4,727
|
2,109
|
| With an allowance recorded, interest income recognized |
225
|
16
|
| Total, recorded investment |
1,600
|
6,341
|
| Total, unpaid principal balance |
1,600
|
6,925
|
| Total, average recorded investment |
5,894
|
3,414
|
| Total, interest income recognized |
268
|
96
|
| Total, related allowance |
386
|
1,089
|
| Construction and Land Development Portfolio Segment [Member] |
|
|
| With no related allowance recorded, recorded investment |
0
|
0
|
| With no related allowance recorded, unpaid principal balance |
0
|
0
|
| With no related allowance recorded, average recorded investment |
0
|
0
|
| With no related allowance recorded, interest income recognized |
0
|
0
|
| With an allowance recorded, recorded investment |
0
|
0
|
| With an allowance recorded, unpaid principal balance |
0
|
0
|
| With an allowance recorded, related allowance |
0
|
0
|
| With an allowance recorded, average recorded investment |
0
|
0
|
| With an allowance recorded, interest income recognized |
0
|
0
|
| Total, recorded investment |
0
|
0
|
| Total, unpaid principal balance |
0
|
0
|
| Total, average recorded investment |
0
|
0
|
| Total, interest income recognized |
0
|
0
|
| Total, related allowance |
0
|
0
|
| Multifamily Portfolio Segment [Member] |
|
|
| With no related allowance recorded, recorded investment |
556
|
716
|
| With no related allowance recorded, unpaid principal balance |
647
|
798
|
| With no related allowance recorded, average recorded investment |
629
|
763
|
| With no related allowance recorded, interest income recognized |
31
|
42
|
| With an allowance recorded, recorded investment |
0
|
0
|
| With an allowance recorded, unpaid principal balance |
0
|
0
|
| With an allowance recorded, related allowance |
0
|
0
|
| With an allowance recorded, average recorded investment |
0
|
0
|
| With an allowance recorded, interest income recognized |
0
|
0
|
| Total, recorded investment |
556
|
716
|
| Total, unpaid principal balance |
647
|
798
|
| Total, average recorded investment |
629
|
763
|
| Total, interest income recognized |
31
|
42
|
| Total, related allowance |
0
|
0
|
| Farmland Portfolio Segment [Member] |
|
|
| With no related allowance recorded, recorded investment |
0
|
0
|
| With no related allowance recorded, unpaid principal balance |
0
|
0
|
| With no related allowance recorded, average recorded investment |
0
|
0
|
| With no related allowance recorded, interest income recognized |
0
|
0
|
| With an allowance recorded, recorded investment |
0
|
0
|
| With an allowance recorded, unpaid principal balance |
0
|
0
|
| With an allowance recorded, related allowance |
0
|
0
|
| With an allowance recorded, average recorded investment |
0
|
0
|
| With an allowance recorded, interest income recognized |
0
|
0
|
| Total, recorded investment |
0
|
0
|
| Total, unpaid principal balance |
0
|
0
|
| Total, average recorded investment |
0
|
0
|
| Total, interest income recognized |
0
|
0
|
| Total, related allowance |
0
|
0
|
| Commercial Portfolio Segment [Member] |
|
|
| With no related allowance recorded, recorded investment |
1,205
|
1,497
|
| With no related allowance recorded, unpaid principal balance |
1,324
|
1,514
|
| With no related allowance recorded, average recorded investment |
1,369
|
1,591
|
| With no related allowance recorded, interest income recognized |
52
|
80
|
| With an allowance recorded, recorded investment |
392
|
749
|
| With an allowance recorded, unpaid principal balance |
392
|
749
|
| With an allowance recorded, related allowance |
277
|
512
|
| With an allowance recorded, average recorded investment |
637
|
739
|
| With an allowance recorded, interest income recognized |
24
|
30
|
| Total, recorded investment |
1,597
|
2,246
|
| Total, unpaid principal balance |
1,716
|
2,263
|
| Total, average recorded investment |
2,006
|
2,330
|
| Total, interest income recognized |
76
|
110
|
| Total, related allowance |
277
|
512
|
| Consumer Portfolio Segment [Member] |
|
|
| With no related allowance recorded, recorded investment |
0
|
0
|
| With no related allowance recorded, unpaid principal balance |
0
|
0
|
| With no related allowance recorded, average recorded investment |
0
|
0
|
| With no related allowance recorded, interest income recognized |
0
|
0
|
| With an allowance recorded, recorded investment |
0
|
0
|
| With an allowance recorded, unpaid principal balance |
0
|
0
|
| With an allowance recorded, related allowance |
0
|
0
|
| With an allowance recorded, average recorded investment |
0
|
0
|
| With an allowance recorded, interest income recognized |
0
|
0
|
| Total, recorded investment |
0
|
0
|
| Total, unpaid principal balance |
0
|
0
|
| Total, average recorded investment |
0
|
0
|
| Total, interest income recognized |
0
|
0
|
| Total, related allowance |
0
|
0
|
| Manufactured Homes Portfolio Segment [Member] |
|
|
| With no related allowance recorded, recorded investment |
0
|
0
|
| With no related allowance recorded, unpaid principal balance |
0
|
0
|
| With no related allowance recorded, average recorded investment |
0
|
0
|
| With no related allowance recorded, interest income recognized |
0
|
0
|
| With an allowance recorded, recorded investment |
0
|
0
|
| With an allowance recorded, unpaid principal balance |
0
|
0
|
| With an allowance recorded, related allowance |
0
|
0
|
| With an allowance recorded, average recorded investment |
0
|
0
|
| With an allowance recorded, interest income recognized |
0
|
0
|
| Total, recorded investment |
0
|
0
|
| Total, unpaid principal balance |
0
|
0
|
| Total, average recorded investment |
0
|
0
|
| Total, interest income recognized |
0
|
0
|
| Total, related allowance |
0
|
0
|
| Government Portfolio Segment [Member] |
|
|
| With no related allowance recorded, recorded investment |
0
|
0
|
| With no related allowance recorded, unpaid principal balance |
0
|
0
|
| With no related allowance recorded, average recorded investment |
0
|
0
|
| With no related allowance recorded, interest income recognized |
0
|
0
|
| With an allowance recorded, recorded investment |
0
|
0
|
| With an allowance recorded, unpaid principal balance |
0
|
0
|
| With an allowance recorded, related allowance |
0
|
0
|
| With an allowance recorded, average recorded investment |
0
|
0
|
| With an allowance recorded, interest income recognized |
0
|
0
|
| Total, recorded investment |
0
|
0
|
| Total, unpaid principal balance |
0
|
0
|
| Total, average recorded investment |
0
|
0
|
| Total, interest income recognized |
0
|
0
|
| Total, related allowance |
$ 0
|
$ 0
|