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Note 16 - Fair Value Measurements (Details) - Financial Asset and Liabilities Measured on a Non-Recurring Basis (USD $) In Thousands, unless otherwise specified |  |  |  |  | 12 Months Ended |  |  |  |  | 12 Months Ended |  |  |  |  |  |  |  |  | 12 Months Ended |  |  |  |  | 12 Months Ended |  |  |  |  | 12 Months Ended |  |  |  |  | 12 Months Ended |  |  |  |  |  |  |  |  | 12 Months Ended |  |  |  |  | 12 Months Ended |  |  |  |  | 12 Months Ended |  |  |  |  |  |  |  |  | 12 Months Ended
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Dec. 31, 2013 Commercial Loans Member Impaired Loans [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Commercial Loans Member Impaired Loans [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Commercial Loans Member Impaired Loans [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Commercial Loans Member Impaired Loans [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2011 Commercial Loans Member Impaired Loans [Member] Prior Year [Member] | Dec. 31, 2013 Commercial Loans Member Impaired Loans [Member] Current Period [Member] | Dec. 31, 2013 Commercial Mortgage Loans [Member] Impaired Loans [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Commercial Mortgage Loans [Member] Impaired Loans [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Commercial Mortgage Loans [Member] Impaired Loans [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Commercial Mortgage Loans [Member] Impaired Loans [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Commercial Mortgage Loans [Member] Impaired Loans [Member] Current Period [Member] | Dec. 31, 2013 Commercial Mortgage Loans [Member] Impaired Loans [Member] Current Period [Member] | Dec. 31, 2012 Commercial Mortgage Loans [Member] Impaired Loans [Member] Prior Year [Member] | Dec. 31, 2013 Construction Residential Member Impaired Loans [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Construction Residential Member Impaired Loans [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Construction Residential Member Impaired Loans [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Construction Residential Member Impaired Loans [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2013 Construction - Other Loans [Member] Impaired Loans [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Construction - Other Loans [Member] Impaired Loans [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Construction - Other Loans [Member] Impaired Loans [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Construction - Other Loans [Member] Impaired Loans [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Construction - Other Loans [Member] Impaired Loans [Member] Current Period [Member] | Dec. 31, 2012 Construction - Other Loans [Member] Impaired Loans [Member] Prior Year [Member] | Dec. 31, 2013 Residential Mortgage And Equity Lines Member Impaired Loans [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Residential Mortgage And Equity Lines Member Impaired Loans [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Residential Mortgage And Equity Lines Member Impaired Loans [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Residential Mortgage And Equity Lines Member Impaired Loans [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Residential Mortgage And Equity Lines Member Impaired Loans [Member] Current Period [Member] | Dec. 31, 2011 Residential Mortgage And Equity Lines Member Impaired Loans [Member] Prior Year [Member] | Dec. 31, 2013 Residential Mortgage And Equity Lines Member Impaired Loans [Member] Current Period [Member] | Dec. 31, 2012 Residential Mortgage And Equity Lines Member Impaired Loans [Member] Prior Year [Member] | Dec. 31, 2013 Land Loans Member Impaired Loans [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Land Loans Member Impaired Loans [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Land Loans Member Impaired Loans [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Land Loans Member Impaired Loans [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Land Loans Member Impaired Loans [Member] Current Period [Member] | Dec. 31, 2011 Land Loans Member Impaired Loans [Member] Prior Year [Member] | Dec. 31, 2012 Land Loans Member Impaired Loans [Member] Prior Year [Member] | Dec. 31, 2013 Impaired Loans [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Impaired Loans [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Impaired Loans [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Impaired Loans [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Impaired Loans [Member] Current Period [Member] | Dec. 31, 2011 Impaired Loans [Member] Prior Year [Member] | Dec. 31, 2013 Impaired Loans [Member] Current Period [Member] | Dec. 31, 2012 Impaired Loans [Member] Prior Year [Member] | Dec. 31, 2013 Other Real Estate Owned [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2012 Other Real Estate Owned [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2013 Other Real Estate Owned [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2012 Other Real Estate Owned [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2013 Other Real Estate Owned [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Other Real Estate Owned [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Other Real Estate Owned [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Other Real Estate Owned [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Other Real Estate Owned [Member] Current Period [Member] | Dec. 31, 2011 Other Real Estate Owned [Member] Prior Year [Member] | Dec. 31, 2013 Other Real Estate Owned [Member] Current Period [Member] | Dec. 31, 2012 Other Real Estate Owned [Member] Prior Year [Member] | Dec. 31, 2013 Investments in Venture Capital [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Investments in Venture Capital [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Investments in Venture Capital [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Investments in Venture Capital [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Investments in Venture Capital [Member] Current Period [Member] | Dec. 31, 2011 Investments in Venture Capital [Member] Prior Year [Member] | Dec. 31, 2013 Investments in Venture Capital [Member] Current Period [Member] | Dec. 31, 2012 Investments in Venture Capital [Member] Prior Year [Member] | Dec. 31, 2013 Equity Investments [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2012 Equity Investments [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2013 Equity Investments [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Equity Investments [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Equity Investments [Member] Current Period [Member] | Dec. 31, 2011 Equity Investments [Member] Prior Year [Member] | Dec. 31, 2012 Equity Investments [Member] Prior Year [Member] | Dec. 31, 2013 Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2012 Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2013 Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2012 Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2013 Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Current Period [Member] | Dec. 31, 2011 Prior Year [Member] | Dec. 31, 2013 Current Period [Member] | Dec. 31, 2012 Prior Year [Member]
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value Measurements | $ 7,584 | $ 3,492 | $ 7,584 | $ 3,492 |  |  | $ 29,001 | $ 11,295 | $ 29,001 | $ 11,295 |  |  |  | $ 500 | $ 500 | $ 500 | $ 500 | $ 15,363 | $ 46,153 | $ 15,363 | $ 46,153 |  |  | $ 14,236 | $ 11,206 | $ 14,236 | $ 11,206 |  |  |  |  | $ 29 | $ 297 | $ 29 | $ 297 |  |  |  | $ 66,713 | $ 72,943 | $ 66,713 | $ 72,943 |  |  |  |  |  | [1] |  | [2] | $ 13,248 | [1] | $ 27,149 | [2] | $ 26,498 | [1] | $ 4,841 | [2] | $ 39,746 | [1] | $ 31,990 | [2] |  |  |  |  |  |  |  |  | $ 8,900 | $ 9,001 | $ 8,900 | $ 9,001 |  |  |  |  | $ 642 | $ 142 | $ 642 | $ 142 |  |  |  | $ 642 | $ 142 | $ 13,248 | $ 27,149 | $ 102,111 | $ 86,785 | $ 116,001 | $ 114,076 |  |  |  |
Total Losses/(gains) |  |  |  |  | $ 877 | $ 5,731 |  |  |  |  | $ 440 | $ 125 | $ 440 |  |  |  |  |  |  |  |  | $ 65 | $ 65 |  |  |  |  | $ 605 | $ 820 | $ 213 | $ 605 |  |  |  |  | $ 162 | $ 46 | $ 162 |  |  |  |  | $ 1,272 | $ 1,743 | $ 6,069 | $ 1,272 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,904 | [2] | $ 7,003 | [2] | $ (3,134) | [1] | $ 10,904 | [1] |  |  |  |  | $ 309 | $ 379 | $ 409 | $ 309 |  |  |  |  | $ 181 | $ 200 | $ 181 |  |  |  |  |  |  |  |  | $ 12,666 | $ 9,325 | $ 3,344 | $ 12,666
[1] | Other real estate owned balance of $53.0 million in the Consolidated Balance Sheets is net of estimated disposal costs.
[2] | Other real estate owned balance of $46.4 million in the Consolidated Balance Sheets is net of estimated disposal costs.

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228 + Details
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- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References No definition available. + Details
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