Note 5 - Loans - Summary of Impaired Loans (Details) - USD ($)
$ in Thousands |
3 Months Ended |
6 Months Ended |
12 Months Ended |
Jun. 30, 2019 |
Jun. 30, 2019 |
Dec. 31, 2018 |
| Recorded investment, with no allowance |
$ 3,740
|
$ 3,740
|
$ 14,423
|
| Unpaid principal balance, with no allowance |
3,840
|
3,840
|
14,610
|
| Average recorded investment, with no allowance |
3,848
|
3,836
|
15,110
|
| Interest income recognized in period, with no allowance |
42
|
98
|
658
|
| Average recorded investment, with no allowance |
3,848
|
3,836
|
15,110
|
| Recorded investment, with an allowance |
41,950
|
41,950
|
24,168
|
| Unpaid principal balance, with an allowance |
47,697
|
47,697
|
31,929
|
| Related allowance |
10,116
|
10,116
|
8,128
|
| Average recorded investment, with an allowance |
43,052
|
44,811
|
27,901
|
| Interest income recognized in period, with an allowance |
320
|
744
|
848
|
| Average recorded investment, with an allowance |
43,052
|
44,811
|
27,901
|
| Recorded investment |
45,690
|
45,690
|
38,591
|
| Unpaid principal balance |
51,537
|
51,537
|
46,539
|
| Average recorded investment |
46,900
|
48,647
|
43,011
|
| Interest income recognized in period |
362
|
842
|
1,506
|
| Average recorded investment |
46,900
|
48,647
|
43,011
|
| Commercial Real Estate Portfolio Segment [Member] |
|
|
|
| Recorded investment, with no allowance |
1,769
|
1,769
|
6,064
|
| Unpaid principal balance, with no allowance |
1,769
|
1,769
|
6,064
|
| Average recorded investment, with no allowance |
1,769
|
1,769
|
6,142
|
| Interest income recognized in period, with no allowance |
20
|
52
|
237
|
| Average recorded investment, with no allowance |
1,769
|
1,769
|
6,142
|
| Recorded investment, with an allowance |
18,014
|
18,014
|
12,380
|
| Unpaid principal balance, with an allowance |
23,761
|
23,761
|
20,141
|
| Related allowance |
5,201
|
5,201
|
6,066
|
| Average recorded investment, with an allowance |
20,253
|
21,520
|
15,918
|
| Interest income recognized in period, with an allowance |
71
|
234
|
462
|
| Average recorded investment, with an allowance |
20,253
|
21,520
|
15,918
|
| Recorded investment |
19,783
|
19,783
|
18,444
|
| Unpaid principal balance |
25,530
|
25,530
|
26,205
|
| Average recorded investment |
22,022
|
23,289
|
22,060
|
| Interest income recognized in period |
91
|
286
|
699
|
| Average recorded investment |
22,022
|
23,289
|
22,060
|
| Real Estate Portfolio Segment[Member] |
|
|
|
| Recorded investment, with no allowance |
1,555
|
1,555
|
7,895
|
| Unpaid principal balance, with no allowance |
1,651
|
1,651
|
8,079
|
| Average recorded investment, with no allowance |
1,659
|
1,630
|
8,444
|
| Interest income recognized in period, with no allowance |
16
|
33
|
393
|
| Average recorded investment, with no allowance |
1,659
|
1,630
|
8,444
|
| Recorded investment, with an allowance |
22,348
|
22,348
|
10,742
|
| Unpaid principal balance, with an allowance |
22,348
|
22,348
|
10,742
|
| Related allowance |
4,805
|
4,805
|
1,887
|
| Average recorded investment, with an allowance |
21,211
|
21,651
|
10,937
|
| Interest income recognized in period, with an allowance |
229
|
470
|
352
|
| Average recorded investment, with an allowance |
21,211
|
21,651
|
10,937
|
| Recorded investment |
23,903
|
23,903
|
18,637
|
| Unpaid principal balance |
23,999
|
23,999
|
18,821
|
| Average recorded investment |
22,870
|
23,281
|
19,381
|
| Interest income recognized in period |
245
|
503
|
745
|
| Average recorded investment |
22,870
|
23,281
|
19,381
|
| Real Estate Portfolio Segment[Member] | Construction Loans [Member] |
|
|
|
| Recorded investment, with no allowance |
416
|
416
|
464
|
| Unpaid principal balance, with no allowance |
420
|
420
|
467
|
| Average recorded investment, with no allowance |
420
|
437
|
524
|
| Interest income recognized in period, with no allowance |
6
|
13
|
28
|
| Average recorded investment, with no allowance |
420
|
437
|
524
|
| Recorded investment, with an allowance |
1,588
|
1,588
|
997
|
| Unpaid principal balance, with an allowance |
1,588
|
1,588
|
997
|
| Related allowance |
110
|
110
|
126
|
| Average recorded investment, with an allowance |
1,588
|
1,640
|
997
|
| Interest income recognized in period, with an allowance |
20
|
40
|
31
|
| Average recorded investment, with an allowance |
1,588
|
1,640
|
997
|
| Recorded investment |
2,004
|
2,004
|
1,461
|
| Unpaid principal balance |
2,008
|
2,008
|
1,464
|
| Average recorded investment |
2,008
|
2,077
|
1,521
|
| Interest income recognized in period |
26
|
53
|
59
|
| Average recorded investment |
2,008
|
2,077
|
1,521
|
| Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member] |
|
|
|
| Recorded investment, with no allowance |
1,083
|
1,083
|
1,763
|
| Unpaid principal balance, with no allowance |
1,179
|
1,179
|
1,947
|
| Average recorded investment, with no allowance |
1,184
|
1,143
|
2,223
|
| Interest income recognized in period, with no allowance |
16
|
33
|
120
|
| Average recorded investment, with no allowance |
1,184
|
1,143
|
2,223
|
| Recorded investment, with an allowance |
14,349
|
14,349
|
3,358
|
| Unpaid principal balance, with an allowance |
14,349
|
14,349
|
3,358
|
| Related allowance |
2,402
|
2,402
|
99
|
| Average recorded investment, with an allowance |
13,208
|
13,724
|
3,364
|
| Interest income recognized in period, with an allowance |
207
|
425
|
105
|
| Average recorded investment, with an allowance |
13,208
|
13,724
|
3,364
|
| Recorded investment |
15,432
|
15,432
|
5,121
|
| Unpaid principal balance |
15,528
|
15,528
|
5,305
|
| Average recorded investment |
14,392
|
14,867
|
5,587
|
| Interest income recognized in period |
223
|
458
|
225
|
| Average recorded investment |
14,392
|
14,867
|
5,587
|
| Real Estate Portfolio Segment[Member] | One to Four Family [Member] |
|
|
|
| Recorded investment, with no allowance |
472
|
472
|
1,071
|
| Unpaid principal balance, with no allowance |
472
|
472
|
1,071
|
| Average recorded investment, with no allowance |
475
|
487
|
1,088
|
| Interest income recognized in period, with no allowance |
0
|
0
|
21
|
| Average recorded investment, with no allowance |
475
|
487
|
1,088
|
| Recorded investment, with an allowance |
1,469
|
1,469
|
975
|
| Unpaid principal balance, with an allowance |
1,469
|
1,469
|
975
|
| Related allowance |
196
|
196
|
208
|
| Average recorded investment, with an allowance |
1,473
|
1,475
|
975
|
| Interest income recognized in period, with an allowance |
|
|
30
|
| Average recorded investment, with an allowance |
1,473
|
1,475
|
975
|
| Interest income recognized in period, with an allowance |
(1)
|
1
|
|
| Recorded investment |
1,941
|
1,941
|
2,046
|
| Unpaid principal balance |
1,941
|
1,941
|
2,046
|
| Average recorded investment |
1,948
|
1,962
|
2,063
|
| Interest income recognized in period |
|
|
51
|
| Interest income recognized in period |
(1)
|
1
|
|
| Average recorded investment |
1,948
|
1,962
|
2,063
|
| Real Estate Portfolio Segment[Member] | Other Mortgages [Member] |
|
|
|
| Recorded investment, with no allowance |
0
|
0
|
5,061
|
| Unpaid principal balance, with no allowance |
0
|
0
|
5,061
|
| Average recorded investment, with no allowance |
0
|
0
|
5,133
|
| Interest income recognized in period, with no allowance |
0
|
0
|
252
|
| Average recorded investment, with no allowance |
0
|
0
|
5,133
|
| Recorded investment, with an allowance |
6,530
|
6,530
|
6,409
|
| Unpaid principal balance, with an allowance |
6,530
|
6,530
|
6,409
|
| Related allowance |
2,207
|
2,207
|
1,580
|
| Average recorded investment, with an allowance |
6,530
|
6,452
|
6,598
|
| Interest income recognized in period, with an allowance |
23
|
44
|
217
|
| Average recorded investment, with an allowance |
6,530
|
6,452
|
6,598
|
| Recorded investment |
6,530
|
6,530
|
11,470
|
| Unpaid principal balance |
6,530
|
6,530
|
11,470
|
| Average recorded investment |
6,530
|
6,452
|
11,731
|
| Interest income recognized in period |
23
|
44
|
469
|
| Average recorded investment |
6,530
|
6,452
|
11,731
|
| Consumer Portfolio Segment [Member] |
|
|
|
| Recorded investment, with no allowance |
0
|
0
|
0
|
| Unpaid principal balance, with no allowance |
0
|
0
|
0
|
| Average recorded investment, with no allowance |
0
|
0
|
0
|
| Interest income recognized in period, with no allowance |
0
|
0
|
0
|
| Average recorded investment, with no allowance |
0
|
0
|
0
|
| Recorded investment, with an allowance |
0
|
0
|
49
|
| Unpaid principal balance, with an allowance |
0
|
0
|
49
|
| Related allowance |
0
|
0
|
49
|
| Average recorded investment, with an allowance |
0
|
0
|
49
|
| Interest income recognized in period, with an allowance |
0
|
0
|
3
|
| Average recorded investment, with an allowance |
0
|
0
|
49
|
| Recorded investment |
0
|
0
|
49
|
| Unpaid principal balance |
0
|
0
|
49
|
| Average recorded investment |
0
|
0
|
49
|
| Interest income recognized in period |
0
|
0
|
3
|
| Average recorded investment |
$ 0
|
$ 0
|
$ 49
|