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Note 3 - Loans and Allowance for Loan Losses - Loans Modified as Troubled Debt Restructurings (Details) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($)
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Commercial and Industrial [Member] |  |  |  |
Number of Contracts | 0 | 4 | 1 | 10
Pre- Modification Recorded Principal Balance | $ 0 | $ 1,308,000 | $ 20,000 | $ 1,876,000
Post- Modification Recorded Principal Balance | $ 0 | $ 1,308,000 | $ 20,000 | $ 1,901,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
Pre- Modification Recorded Principal Balance | $ 0 | $ 0 | $ 0 | $ 0
Post- Modification Recorded Principal Balance | $ 0 | $ 0 | $ 0 | $ 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Owner Occupied Loan [Member] |  |  |  |
Number of Contracts | 1 | 0 | 1 | 0
Pre- Modification Recorded Principal Balance | $ 167,000 | $ 0 | $ 167,000 | $ 0
Post- Modification Recorded Principal Balance | $ 167,000 | $ 0 | $ 167,000 | $ 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Non Owner Occupied Loan [Member] |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
Pre- Modification Recorded Principal Balance | $ 0 | $ 0 | $ 0 | $ 0
Post- Modification Recorded Principal Balance | $ 0 | $ 0 | $ 0 | $ 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Multi Family and Residentia lRental Loan [Member] |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
Pre- Modification Recorded Principal Balance | $ 0 | $ 0 | $ 0 | $ 0
Post- Modification Recorded Principal Balance | $ 0 | $ 0 | $ 0 | $ 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] |  |  |  |
Number of Contracts | 1 | 4 | 2 | 10
Pre- Modification Recorded Principal Balance | $ 167,000 | $ 1,308,000 | $ 187,000 | $ 1,876,000
Post- Modification Recorded Principal Balance | $ 167,000 | $ 1,308,000 | $ 187,000 | $ 1,901,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Commercial and Industrial [Member] |  |  |  |
Number of Contracts | 0 | 2 | 0 | 2
Pre- Modification Recorded Principal Balance | $ 0 | $ 286,000 | $ 0 | $ 286,000
Post- Modification Recorded Principal Balance | $ 0 | $ 286,000 | $ 0 | $ 286,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
Pre- Modification Recorded Principal Balance | $ 0 | $ 0 | $ 0 | $ 0
Post- Modification Recorded Principal Balance | $ 0 | $ 0 | $ 0 | $ 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Owner Occupied Loan [Member] |  |  |  |
Number of Contracts | 0 | 3 | 0 | 5
Pre- Modification Recorded Principal Balance | $ 0 | $ 119,000 | $ 0 | $ 169,000
Post- Modification Recorded Principal Balance | $ 0 | $ 119,000 | $ 0 | $ 169,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Non Owner Occupied Loan [Member] |  |  |  |
Number of Contracts | 1 | 1 | 1 | 1
Pre- Modification Recorded Principal Balance | $ 60,000 | $ 302,000 | $ 60,000 | $ 302,000
Post- Modification Recorded Principal Balance | $ 60,000 | $ 302,000 | $ 60,000 | $ 302,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Multi Family and Residentia lRental Loan [Member] |  |  |  |
Number of Contracts | 1 | 3 | 1 | 3
Pre- Modification Recorded Principal Balance | $ 7,000 | $ 265,000 | $ 7,000 | $ 265,000
Post- Modification Recorded Principal Balance | $ 7,000 | $ 265,000 | $ 7,000 | $ 265,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] |  |  |  |
Number of Contracts | 2 | 9 | 2 | 11
Pre- Modification Recorded Principal Balance | $ 67,000 | $ 972,000 | $ 67,000 | $ 1,022,000
Post- Modification Recorded Principal Balance | $ 67,000 | $ 972,000 | $ 67,000 | $ 1,022,000
Retail Portfolio Segment [Member] | Originated Loan [Member] | Home Equity and Other [Member] |  |  |  |
Number of Contracts | 2 | 0 | 2 | 0
Pre- Modification Recorded Principal Balance | $ 184,000 | $ 0 | $ 184,000 | $ 0
Post- Modification Recorded Principal Balance | $ 184,000 | $ 0 | $ 184,000 | $ 0
Retail Portfolio Segment [Member] | Originated Loan [Member] | One to Four Family Mortgages [Member] |  |  |  |
Number of Contracts | 1 | 0 | 1 | 0
Pre- Modification Recorded Principal Balance | $ 33,000 | $ 0 | $ 33,000 | $ 0
Post- Modification Recorded Principal Balance | $ 40,000 | $ 0 | $ 40,000 | $ 0
Retail Portfolio Segment [Member] | Originated Loan [Member] |  |  |  |
Number of Contracts | 3 | 0 | 3 | 0
Pre- Modification Recorded Principal Balance | $ 217,000 | $ 0 | $ 217,000 | $ 0
Post- Modification Recorded Principal Balance | $ 224,000 | $ 0 | $ 224,000 | $ 0
Retail Portfolio Segment [Member] | Acquired Loan [Member] | Home Equity and Other [Member] |  |  |  |
Number of Contracts | 1 | 1 | 2 | 1
Pre- Modification Recorded Principal Balance | $ 25,000 | $ 161,000 | $ 51,000 | $ 161,000
Post- Modification Recorded Principal Balance | $ 25,000 | $ 161,000 | $ 51,000 | $ 161,000
Retail Portfolio Segment [Member] | Acquired Loan [Member] | One to Four Family Mortgages [Member] |  |  |  |
Number of Contracts | 0 | 0 | 1 | 0
Pre- Modification Recorded Principal Balance | $ 0 | $ 0 | $ 19,000 | $ 0
Post- Modification Recorded Principal Balance | $ 0 | $ 0 | $ 19,000 | $ 0
Retail Portfolio Segment [Member] | Acquired Loan [Member] |  |  |  |
Number of Contracts | 1 | 1 | 3 | 1
Pre- Modification Recorded Principal Balance | $ 25,000 | $ 161,000 | $ 70,000 | $ 161,000
Post- Modification Recorded Principal Balance | $ 25,000 | $ 161,000 | $ 70,000 | $ 161,000
Originated Loan [Member] |  |  |  |
Number of Contracts | 4 | 4 | 5 | 10
Pre- Modification Recorded Principal Balance | $ 384,000 | $ 1,308,000 | $ 404,000 | $ 1,876,000
Post- Modification Recorded Principal Balance | $ 391,000 | $ 1,308,000 | $ 411,000 | $ 1,901,000
Acquired Loan [Member] |  |  |  |
Number of Contracts | 3 | 10 | 5 | 12
Pre- Modification Recorded Principal Balance | $ 92,000 | $ 1,133,000 | $ 137,000 | $ 1,183,000
Post- Modification Recorded Principal Balance | $ 92,000 | $ 1,133,000 | $ 137,000 | $ 1,183,000

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