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Note 6 - Loans Acquired (Details Textual) - USD ($) | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Jun. 30, 2017 | Dec. 31, 2016
Covered Purchased Impaired Loans Allowance | $ 391,000 |  | $ 391,000 |  |  | $ 954,000
Provision for Loan and Lease Losses | 5,462,000 | $ 8,294,000 | 16,792,000 | $ 15,733,000 |  |
Acquired Loans [Member] |  |  |  |  |  |
Non Covered Impaired Loans Allowance Reclassified | 391,000 |  | 391,000 |  |  | $ 954,000
Provision for Loan and Lease Losses | $ 0 | 215,000 | $ 1,464,000 | 522,000 |  |
Hardeman County Investment Company, Inc. [Member] |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans, Net |  |  |  |  | $ 249,300,000 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans, Gross |  |  |  |  | 254,300,000 |
Loans Acquired Discount |  |  |  |  | 5,000,000 |
Hardeman County Investment Company, Inc. [Member] | Receivables Acquired with Deteriorated Credit Quality [Member] |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans, Net |  |  |  |  | 2,300,000 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans, Gross |  |  |  |  | 3,300,000 |
Loans Acquired Discount |  |  |  |  | $ 956,000 |
Citizens National Bank [Member] |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans, Net |  | 340,100,000 |  | 340,100,000 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans, Gross |  | 348,800,000 |  | 348,800,000 |  |
Loans Acquired Discount |  | 8,700,000 |  | 8,700,000 |  |
Citizens National Bank [Member] | Receivables Acquired with Deteriorated Credit Quality [Member] |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans, Net |  | 757,000 |  | 757,000 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans, Gross |  | 1,600,000 |  | 1,600,000 |  |
Loans Acquired Discount |  | $ 848,000 |  | $ 848,000 |  |

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- Definition The amount of gross loans recognized as of the acquisition date. + References No definition available. + Details
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- Definition The amount of loans, net of discount, recognized as of the acquisition date. + References No definition available. + Details
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- Definition Amount of allowance to cover probable losses on covered purchased impaired loans. + References No definition available. + Details
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- Definition Amount of expense related to estimated loss from loan and lease transactions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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