Note 5 - Loans - Summary of Impaired Loans (Details) - USD ($) $ in Thousands |
3 Months Ended |
6 Months Ended |
12 Months Ended |
Jun. 30, 2017 |
Jun. 30, 2017 |
Dec. 31, 2016 |
Interest income recognized in period, with an allowance |
$ 358
|
$ 770
|
$ 1,611
|
Average recorded investment |
53,765
|
53,452
|
45,686
|
Interest income recognized in period |
501
|
1,057
|
2,006
|
Recorded investment |
51,021
|
51,021
|
45,589
|
Unpaid principal balance |
52,902
|
52,902
|
51,427
|
Recorded investment, with no allowance |
11,853
|
11,853
|
7,398
|
Unpaid principal balance, with no allowance |
12,034
|
12,034
|
8,427
|
Average recorded investment, with no allowance |
12,257
|
12,372
|
7,907
|
Interest income recognized in period, with no allowance |
143
|
287
|
395
|
Recorded investment, with an allowance |
39,168
|
39,168
|
38,191
|
Unpaid principal balance, with an allowance |
40,868
|
40,868
|
43,000
|
Related allowance |
7,157
|
7,157
|
8,152
|
Average recorded investment, with an allowance |
41,508
|
41,080
|
37,779
|
Commercial Real Estate Portfolio Segment [Member] |
|
|
|
Interest income recognized in period, with an allowance |
257
|
541
|
1,162
|
Average recorded investment |
33,973
|
33,797
|
27,947
|
Interest income recognized in period |
323
|
678
|
1,226
|
Recorded investment |
31,430
|
31,430
|
27,922
|
Unpaid principal balance |
33,143
|
33,143
|
32,731
|
Recorded investment, with no allowance |
6,003
|
6,003
|
1,003
|
Unpaid principal balance, with no allowance |
6,016
|
6,016
|
1,003
|
Average recorded investment, with no allowance |
6,213
|
6,272
|
992
|
Interest income recognized in period, with no allowance |
66
|
137
|
64
|
Recorded investment, with an allowance |
25,427
|
25,427
|
26,919
|
Unpaid principal balance, with an allowance |
27,127
|
27,127
|
31,728
|
Related allowance |
4,457
|
4,457
|
6,607
|
Average recorded investment, with an allowance |
27,760
|
27,525
|
26,955
|
Real Estate Portfolio Segment[Member] |
|
|
|
Interest income recognized in period, with an allowance |
87
|
201
|
381
|
Average recorded investment |
16,369
|
16,232
|
12,997
|
Interest income recognized in period |
163
|
349
|
709
|
Recorded investment |
16,171
|
16,171
|
13,350
|
Unpaid principal balance |
16,337
|
16,337
|
13,513
|
Recorded investment, with no allowance |
5,804
|
5,804
|
5,454
|
Unpaid principal balance, with no allowance |
5,970
|
5,970
|
5,617
|
Average recorded investment, with no allowance |
5,995
|
6,051
|
5,750
|
Interest income recognized in period, with no allowance |
76
|
148
|
328
|
Recorded investment, with an allowance |
10,367
|
10,367
|
7,896
|
Unpaid principal balance, with an allowance |
10,367
|
10,367
|
7,896
|
Related allowance |
1,779
|
1,779
|
622
|
Average recorded investment, with an allowance |
10,374
|
10,181
|
7,247
|
Real Estate Portfolio Segment[Member] | Construction Loans [Member] |
|
|
|
Interest income recognized in period, with an allowance |
14
|
28
|
68
|
Average recorded investment |
3,423
|
3,423
|
4,736
|
Interest income recognized in period |
15
|
30
|
71
|
Recorded investment |
3,420
|
3,420
|
4,314
|
Unpaid principal balance |
3,422
|
3,422
|
5,178
|
Recorded investment, with no allowance |
46
|
46
|
938
|
Unpaid principal balance, with no allowance |
48
|
48
|
1,802
|
Average recorded investment, with no allowance |
49
|
49
|
1,159
|
Interest income recognized in period, with no allowance |
1
|
2
|
3
|
Recorded investment, with an allowance |
3,374
|
3,374
|
3,376
|
Unpaid principal balance, with an allowance |
3,374
|
3,374
|
3,376
|
Related allowance |
921
|
921
|
923
|
Average recorded investment, with an allowance |
3,374
|
3,374
|
3,577
|
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member] |
|
|
|
Interest income recognized in period, with an allowance |
55
|
134
|
362
|
Average recorded investment |
10,358
|
10,148
|
9,818
|
Interest income recognized in period |
92
|
210
|
528
|
Recorded investment |
10,172
|
10,172
|
9,539
|
Unpaid principal balance |
10,338
|
10,338
|
9,702
|
Recorded investment, with no allowance |
2,398
|
2,398
|
2,615
|
Unpaid principal balance, with no allowance |
2,564
|
2,564
|
2,778
|
Average recorded investment, with no allowance |
2,584
|
2,601
|
2,884
|
Interest income recognized in period, with no allowance |
37
|
76
|
166
|
Recorded investment, with an allowance |
7,774
|
7,774
|
6,924
|
Unpaid principal balance, with an allowance |
7,774
|
7,774
|
6,924
|
Related allowance |
1,205
|
1,205
|
348
|
Average recorded investment, with an allowance |
7,774
|
7,547
|
6,934
|
Real Estate Portfolio Segment[Member] | One to Four Family [Member] |
|
|
|
Interest income recognized in period, with an allowance |
20
|
42
|
19
|
Average recorded investment |
4,295
|
4,360
|
2,214
|
Interest income recognized in period |
49
|
93
|
121
|
Recorded investment |
4,287
|
4,287
|
2,871
|
Unpaid principal balance |
4,287
|
4,287
|
2,871
|
Recorded investment, with no allowance |
2,674
|
2,674
|
1,899
|
Unpaid principal balance, with no allowance |
2,674
|
2,674
|
1,899
|
Average recorded investment, with no allowance |
2,678
|
2,716
|
1,901
|
Interest income recognized in period, with no allowance |
29
|
51
|
102
|
Recorded investment, with an allowance |
1,613
|
1,613
|
972
|
Unpaid principal balance, with an allowance |
1,613
|
1,613
|
972
|
Related allowance |
260
|
260
|
274
|
Average recorded investment, with an allowance |
1,617
|
1,644
|
313
|
Real Estate Portfolio Segment[Member] | Other Mortgages [Member] |
|
|
|
Interest income recognized in period, with an allowance |
12
|
25
|
|
Average recorded investment |
1,716
|
1,724
|
965
|
Interest income recognized in period |
22
|
46
|
60
|
Recorded investment |
1,712
|
1,712
|
940
|
Unpaid principal balance |
1,712
|
1,712
|
940
|
Recorded investment, with no allowance |
732
|
732
|
940
|
Unpaid principal balance, with no allowance |
732
|
732
|
940
|
Average recorded investment, with no allowance |
733
|
734
|
965
|
Interest income recognized in period, with no allowance |
10
|
21
|
60
|
Recorded investment, with an allowance |
980
|
980
|
|
Unpaid principal balance, with an allowance |
980
|
980
|
|
Related allowance |
314
|
314
|
|
Average recorded investment, with an allowance |
983
|
990
|
|
Consumer Portfolio Segment [Member] |
|
|
|
Interest income recognized in period, with an allowance |
|
|
|
Average recorded investment |
|
|
6
|
Interest income recognized in period |
|
|
|
Recorded investment |
|
|
3
|
Unpaid principal balance |
|
|
5
|
Recorded investment, with no allowance |
|
|
3
|
Unpaid principal balance, with no allowance |
|
|
5
|
Average recorded investment, with no allowance |
|
|
6
|
Interest income recognized in period, with no allowance |
|
|
|
Recorded investment, with an allowance |
|
|
|
Unpaid principal balance, with an allowance |
|
|
|
Related allowance |
|
|
|
Average recorded investment, with an allowance |
|
|
|