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Note 8 - Commitments and Off-Balance Sheet Risk (Details) - Exposure to Credit Losses (USD $) | Mar. 31, 2014 | Dec. 31, 2013
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Note 8 - Commitments and Off-Balance Sheet Risk (Details) - Exposure to Credit Losses [Line Items] |  |
Contractual amounts of financial instruments with off-balance sheet risk | $ 519,882,000 | $ 374,543,000
Commercial Unused Line Of Credit [Member] |  |
Note 8 - Commitments and Off-Balance Sheet Risk (Details) - Exposure to Credit Losses [Line Items] |  |
Contractual amounts of financial instruments with off-balance sheet risk | 263,387,000 | 257,937,000
Unused Lines of Credit Secured by 1-4 Family Residential Properties [Member] |  |
Note 8 - Commitments and Off-Balance Sheet Risk (Details) - Exposure to Credit Losses [Line Items] |  |
Contractual amounts of financial instruments with off-balance sheet risk | 22,994,000 | 23,429,000
Credit Card Unused Lines of Credit [Member] |  |
Note 8 - Commitments and Off-Balance Sheet Risk (Details) - Exposure to Credit Losses [Line Items] |  |
Contractual amounts of financial instruments with off-balance sheet risk | 8,929,000 | 9,013,000
Other Consumer Unused Lines of Credit [Member] |  |
Note 8 - Commitments and Off-Balance Sheet Risk (Details) - Exposure to Credit Losses [Line Items] |  |
Contractual amounts of financial instruments with off-balance sheet risk | 4,819,000 | 5,695,000
Commitments to Make Loans [Member] |  |
Note 8 - Commitments and Off-Balance Sheet Risk (Details) - Exposure to Credit Losses [Line Items] |  |
Contractual amounts of financial instruments with off-balance sheet risk | 200,374,000 | 58,799,000
Standby Letter of Credit [Member] |  |
Note 8 - Commitments and Off-Balance Sheet Risk (Details) - Exposure to Credit Losses [Line Items] |  |
Contractual amounts of financial instruments with off-balance sheet risk | $ 19,379,000 | $ 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=28364263&loc=d3e13433-108611 + Details
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