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Note 9 - Commitments and Off-Balance Sheet Risk (Details) - Exposure to Credit Losses (USD $) | Sep. 30, 2014 | Dec. 31, 2013
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Note 9 - Commitments and Off-Balance Sheet Risk (Details) - Exposure to Credit Losses [Line Items] |  |
Contractual amounts of financial instruments with off-balance sheet risk | $ 800,387,000 | $ 374,543,000
Unused lines of Credit [Member] | Commercial Portfolio Segment [Member] |  |
Note 9 - Commitments and Off-Balance Sheet Risk (Details) - Exposure to Credit Losses [Line Items] |  |
Contractual amounts of financial instruments with off-balance sheet risk | 553,734,000 | 257,937,000
Unused lines of Credit [Member] | Retail 1-4 Family Mortgages [Member] |  |
Note 9 - Commitments and Off-Balance Sheet Risk (Details) - Exposure to Credit Losses [Line Items] |  |
Contractual amounts of financial instruments with off-balance sheet risk | 59,991,000 | 23,429,000
Unused lines of Credit [Member] | Consumer Credit Card Financing Receivable [Member] |  |
Note 9 - Commitments and Off-Balance Sheet Risk (Details) - Exposure to Credit Losses [Line Items] |  |
Contractual amounts of financial instruments with off-balance sheet risk | 11,303,000 | 9,013,000
Unused lines of Credit [Member] | Consumer Other Financing Receivable [Member] |  |
Note 9 - Commitments and Off-Balance Sheet Risk (Details) - Exposure to Credit Losses [Line Items] |  |
Contractual amounts of financial instruments with off-balance sheet risk | 9,681,000 | 5,695,000
Loan Origination Commitments [Member] |  |
Note 9 - Commitments and Off-Balance Sheet Risk (Details) - Exposure to Credit Losses [Line Items] |  |
Contractual amounts of financial instruments with off-balance sheet risk | 128,196,000 | 58,799,000
Standby Letters of Credit [Member] |  |
Note 9 - Commitments and Off-Balance Sheet Risk (Details) - Exposure to Credit Losses [Line Items] |  |
Contractual amounts of financial instruments with off-balance sheet risk | $ 37,482,000 | $ 19,670,000

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- Definition The fair value of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611 + Details
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