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Note 4 - Loans and Allowance for Loan Losses - Loans Modified as Troubled Debt Restructurings (Details) | 12 Months Ended
--- | ---
Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Originated Loan [Member] |  |
Number of Contracts | 18 | 10
Pre- Modification Recorded Principal Balance | $ 2,512,000 | $ 2,022,000
Post- Modification Recorded Principal Balance | $ 3,288,000 | $ 2,047,000
Acquired Loan [Member] |  |
Number of Contracts | 11 | 20
Pre- Modification Recorded Principal Balance | $ 1,067,000 | $ 2,262,000
Post- Modification Recorded Principal Balance | $ 1,068,000 | $ 2,262,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] |  |
Number of Contracts | 14 | 9
Pre- Modification Recorded Principal Balance | $ 2,239,000 | $ 1,876,000
Post- Modification Recorded Principal Balance | $ 3,008,000 | $ 1,901,000
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Commercial and Industrial [Member] |  |
Number of Contracts | 8 | 9
Pre- Modification Recorded Principal Balance | $ 1,445,000 | $ 1,876,000
Post- Modification Recorded Principal Balance | $ 2,103,000 | $ 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
Pre- Modification Recorded Principal Balance | $ 0 | $ 0
Post- Modification Recorded Principal Balance | $ 0 | $ 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Owner Occupied Loan [Member] |  |
Number of Contracts | 1 | 0
Pre- Modification Recorded Principal Balance | $ 167,000 | $ 0
Post- Modification Recorded Principal Balance | $ 167,000 | $ 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Number of Contracts | 1 | 0
Pre- Modification Recorded Principal Balance | $ 462,000 | $ 0
Post- Modification Recorded Principal Balance | $ 462,000 | $ 0
Commercial Portfolio Segment [Member] | Originated Loan [Member] | Real Estate Multi Family and Residentia lRental Loan [Member] |  |
Number of Contracts | 4 | 0
Pre- Modification Recorded Principal Balance | $ 165,000 | $ 0
Post- Modification Recorded Principal Balance | $ 276,000 | $ 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] |  |
Number of Contracts | 6 | 19
Pre- Modification Recorded Principal Balance | $ 955,000 | $ 2,119,000
Post- Modification Recorded Principal Balance | $ 955,000 | $ 2,119,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Commercial and Industrial [Member] |  |
Number of Contracts | 0 | 3
Pre- Modification Recorded Principal Balance | $ 0 | $ 624,000
Post- Modification Recorded Principal Balance | $ 0 | $ 624,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Number of Contracts | 0 | 0
Pre- Modification Recorded Principal Balance | $ 0 | $ 0
Post- Modification Recorded Principal Balance | $ 0 | $ 0
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Owner Occupied Loan [Member] |  |
Number of Contracts | 3 | 7
Pre- Modification Recorded Principal Balance | $ 739,000 | $ 494,000
Post- Modification Recorded Principal Balance | $ 739,000 | $ 494,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Number of Contracts | 2 | 5
Pre- Modification Recorded Principal Balance | $ 209,000 | $ 714,000
Post- Modification Recorded Principal Balance | $ 209,000 | $ 714,000
Commercial Portfolio Segment [Member] | Acquired Loan [Member] | Real Estate Multi Family and Residentia lRental Loan [Member] |  |
Number of Contracts | 1 | 4
Pre- Modification Recorded Principal Balance | $ 7,000 | $ 287,000
Post- Modification Recorded Principal Balance | $ 7,000 | $ 287,000
Retail Portfolio Segment [Member] | Originated Loan [Member] |  |
Number of Contracts | 4 | 1
Pre- Modification Recorded Principal Balance | $ 273,000 | $ 146,000
Post- Modification Recorded Principal Balance | $ 280,000 | $ 146,000
Retail Portfolio Segment [Member] | Originated Loan [Member] | Home Equity and Other [Member] |  |
Number of Contracts | 3 | 1
Pre- Modification Recorded Principal Balance | $ 240,000 | $ 146,000
Post- Modification Recorded Principal Balance | $ 240,000 | $ 146,000
Retail Portfolio Segment [Member] | Originated Loan [Member] | One to Four Family Mortgages [Member] |  |
Number of Contracts | 1 | 0
Pre- Modification Recorded Principal Balance | $ 33,000 | $ 0
Post- Modification Recorded Principal Balance | $ 40,000 | $ 0
Retail Portfolio Segment [Member] | Acquired Loan [Member] |  |
Number of Contracts | 5 | 1
Pre- Modification Recorded Principal Balance | $ 112,000 | $ 143,000
Post- Modification Recorded Principal Balance | $ 113,000 | $ 143,000
Retail Portfolio Segment [Member] | Acquired Loan [Member] | Home Equity and Other [Member] |  |
Number of Contracts | 4 | 0
Pre- Modification Recorded Principal Balance | $ 93,000 | $ 0
Post- Modification Recorded Principal Balance | $ 94,000 | $ 0
Retail Portfolio Segment [Member] | Acquired Loan [Member] | One to Four Family Mortgages [Member] |  |
Number of Contracts | 1 | 1
Pre- Modification Recorded Principal Balance | $ 19,000 | $ 143,000
Post- Modification Recorded Principal Balance | $ 19,000 | $ 143,000

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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953676-111524 + Details
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