Note 15 - Fair Value Measurements - Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Securities available for sale, at fair value |
$ 272,676
|
$ 253,773
|
| Fair Value, Inputs, Level 3 [Member] |
|
|
| Securities available for sale, at fair value |
0
|
0
|
| US Government Agencies Debt Securities [Member] |
|
|
| Securities available for sale, at fair value |
12,188
|
44,043
|
| US States and Political Subdivisions Debt Securities [Member] |
|
|
| Securities available for sale, at fair value |
117,873
|
75,407
|
| Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Residential Mortgage [Member] |
|
|
| Securities available for sale, at fair value |
18,084
|
22,269
|
| Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Commercial Loan [Member] |
|
|
| Securities available for sale, at fair value |
99,350
|
89,423
|
| Corporate Debt Securities [Member] |
|
|
| Securities available for sale, at fair value |
453
|
423
|
| Negotiable Certificates of Deposit [Member] |
|
|
| Securities available for sale, at fair value |
3,216
|
3,162
|
| Equity Securities [Member] |
|
|
| Securities available for sale, at fair value |
936
|
948
|
| Fair Value, Measurements, Recurring [Member] |
|
|
| Securities available for sale, at fair value |
272,676
|
253,773
|
| Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
| Securities available for sale, at fair value |
936
|
948
|
| Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
| Securities available for sale, at fair value |
271,740
|
252,825
|
| Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
| Securities available for sale, at fair value |
|
|
| Fair Value, Measurements, Recurring [Member] | US Government Agencies Debt Securities [Member] |
|
|
| Securities available for sale, at fair value |
12,188
|
44,043
|
| Fair Value, Measurements, Recurring [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
| Securities available for sale, at fair value |
|
|
| Fair Value, Measurements, Recurring [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
| Securities available for sale, at fair value |
12,188
|
44,043
|
| Fair Value, Measurements, Recurring [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
| Securities available for sale, at fair value |
|
|
| Fair Value, Measurements, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member] |
|
|
| Securities available for sale, at fair value |
117,873
|
75,407
|
| Fair Value, Measurements, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
| Securities available for sale, at fair value |
|
|
| Fair Value, Measurements, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
| Securities available for sale, at fair value |
117,873
|
75,407
|
| Fair Value, Measurements, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
| Securities available for sale, at fair value |
|
|
| Fair Value, Measurements, Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Residential Mortgage [Member] |
|
|
| Securities available for sale, at fair value |
18,084
|
22,269
|
| Fair Value, Measurements, Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Commercial Loan [Member] |
|
|
| Securities available for sale, at fair value |
99,350
|
89,423
|
| Fair Value, Measurements, Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Inputs, Level 1 [Member] | Residential Mortgage [Member] |
|
|
| Securities available for sale, at fair value |
|
|
| Fair Value, Measurements, Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Inputs, Level 1 [Member] | Commercial Loan [Member] |
|
|
| Securities available for sale, at fair value |
|
|
| Fair Value, Measurements, Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Inputs, Level 2 [Member] | Residential Mortgage [Member] |
|
|
| Securities available for sale, at fair value |
18,084
|
22,269
|
| Fair Value, Measurements, Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Inputs, Level 2 [Member] | Commercial Loan [Member] |
|
|
| Securities available for sale, at fair value |
99,350
|
89,423
|
| Fair Value, Measurements, Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Inputs, Level 3 [Member] | Residential Mortgage [Member] |
|
|
| Securities available for sale, at fair value |
|
|
| Fair Value, Measurements, Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Loan [Member] |
|
|
| Securities available for sale, at fair value |
|
|
| Fair Value, Measurements, Recurring [Member] | Residential Mortgage Backed Securities [Member] |
|
|
| Securities available for sale, at fair value |
20,576
|
18,098
|
| Fair Value, Measurements, Recurring [Member] | Residential Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
| Securities available for sale, at fair value |
|
|
| Fair Value, Measurements, Recurring [Member] | Residential Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
| Securities available for sale, at fair value |
20,576
|
18,098
|
| Fair Value, Measurements, Recurring [Member] | Residential Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
| Securities available for sale, at fair value |
|
|
| Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] |
|
|
| Securities available for sale, at fair value |
453
|
423
|
| Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
| Securities available for sale, at fair value |
|
|
| Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
| Securities available for sale, at fair value |
453
|
423
|
| Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
| Securities available for sale, at fair value |
|
|
| Fair Value, Measurements, Recurring [Member] | Negotiable Certificates of Deposit [Member] |
|
|
| Securities available for sale, at fair value |
3,216
|
3,162
|
| Fair Value, Measurements, Recurring [Member] | Negotiable Certificates of Deposit [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
| Securities available for sale, at fair value |
|
|
| Fair Value, Measurements, Recurring [Member] | Negotiable Certificates of Deposit [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
| Securities available for sale, at fair value |
3,216
|
3,162
|
| Fair Value, Measurements, Recurring [Member] | Negotiable Certificates of Deposit [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
| Securities available for sale, at fair value |
|
|
| Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] |
|
|
| Securities available for sale, at fair value |
936
|
948
|
| Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
| Securities available for sale, at fair value |
936
|
948
|
| Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
| Securities available for sale, at fair value |
|
|
| Fair Value, Measurements, Recurring [Member] | Equity Securities [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
| Securities available for sale, at fair value |
|
|