Note 5 - Allowance For Loan Losses and Credit Quality of Loans - Past Due Loans (Details) - USD ($)
$ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Total past due |
$ 5,719
|
$ 8,307
|
| Current past due |
646,618
|
609,001
|
| Total loans, gross |
652,337
|
617,308
|
| Recorded investment >90 days past due and accruing |
10
|
4
|
| Agriculture and Agricultural Real Estate Loans Portfolio Segment [Member] |
|
|
| Total past due |
206
|
393
|
| Current past due |
21,312
|
18,850
|
| Total loans, gross |
21,518
|
19,243
|
| Recorded investment >90 days past due and accruing |
|
|
| Commercial Portfolio Segment [Member] |
|
|
| Total past due |
146
|
161
|
| Current past due |
96,615
|
84,277
|
| Total loans, gross |
96,761
|
84,438
|
| Recorded investment >90 days past due and accruing |
10
|
4
|
| Commercial Real Estate Portfolio Segment [Member] |
|
|
| Total past due |
1,899
|
4,547
|
| Current past due |
250,270
|
238,673
|
| Total loans, gross |
252,169
|
243,220
|
| Recorded investment >90 days past due and accruing |
|
|
| Construction Real Estate Portfolio Segment [Member] |
|
|
| Total past due |
|
|
| Current past due |
19,454
|
15,919
|
| Total loans, gross |
19,454
|
15,919
|
| Recorded investment >90 days past due and accruing |
|
|
| Residential Portfolio Segment [Member] |
|
|
| Total past due |
3,273
|
2,943
|
| Current past due |
213,163
|
211,046
|
| Total loans, gross |
216,436
|
213,989
|
| Recorded investment >90 days past due and accruing |
|
|
| Consumer and Other Portfolio Segment [Member] |
|
|
| Total past due |
195
|
263
|
| Current past due |
45,804
|
40,236
|
| Total loans, gross |
45,999
|
40,499
|
| Recorded investment >90 days past due and accruing |
|
|
| Financing Receivables, 30 to 59 Days Past Due [Member] |
|
|
| Total past due |
2,550
|
4,722
|
| Financing Receivables, 30 to 59 Days Past Due [Member] | Agriculture and Agricultural Real Estate Loans Portfolio Segment [Member] |
|
|
| Total past due |
93
|
136
|
| Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] |
|
|
| Total past due |
77
|
10
|
| Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] |
|
|
| Total past due |
708
|
2,194
|
| Financing Receivables, 30 to 59 Days Past Due [Member] | Construction Real Estate Portfolio Segment [Member] |
|
|
| Total past due |
|
|
| Financing Receivables, 30 to 59 Days Past Due [Member] | Residential Portfolio Segment [Member] |
|
|
| Total past due |
1,523
|
2,252
|
| Financing Receivables, 30 to 59 Days Past Due [Member] | Consumer and Other Portfolio Segment [Member] |
|
|
| Total past due |
149
|
130
|
| Financing Receivables, 60 to 89 Days Past Due [Member] |
|
|
| Total past due |
647
|
826
|
| Financing Receivables, 60 to 89 Days Past Due [Member] | Agriculture and Agricultural Real Estate Loans Portfolio Segment [Member] |
|
|
| Total past due |
|
213
|
| Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] |
|
|
| Total past due |
46
|
75
|
| Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] |
|
|
| Total past due |
363
|
230
|
| Financing Receivables, 60 to 89 Days Past Due [Member] | Construction Real Estate Portfolio Segment [Member] |
|
|
| Total past due |
|
|
| Financing Receivables, 60 to 89 Days Past Due [Member] | Residential Portfolio Segment [Member] |
|
|
| Total past due |
192
|
227
|
| Financing Receivables, 60 to 89 Days Past Due [Member] | Consumer and Other Portfolio Segment [Member] |
|
|
| Total past due |
46
|
81
|
| Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |
|
|
| Total past due |
2,522
|
2,759
|
| Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Agriculture and Agricultural Real Estate Loans Portfolio Segment [Member] |
|
|
| Total past due |
113
|
44
|
| Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] |
|
|
| Total past due |
23
|
76
|
| Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] |
|
|
| Total past due |
828
|
2,123
|
| Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Construction Real Estate Portfolio Segment [Member] |
|
|
| Total past due |
|
|
| Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Residential Portfolio Segment [Member] |
|
|
| Total past due |
1,558
|
464
|
| Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Consumer and Other Portfolio Segment [Member] |
|
|
| Total past due |
|
$ 52
|