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Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis (USD $) In Thousands, unless otherwise specified | Jun. 30, 2014 | Dec. 31, 2013 | Jun. 30, 2013
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Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | $ 30,413 | $ 32,646 | $ 38,302
Commercial Loan [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 4,202 | 4,367 |
Commercial Loan [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 968 | 1,089 |
Commercial Loan [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 8,671 | 6,779 | 10,760
Commercial Loan [Member] | Estimate of Fair Value Measurement [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 5,170 | 5,456 |
Commercial Real Estate Investment [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 252 | 2,806 |
Commercial Real Estate Investment [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 5,057 | 1,998 |
Commercial Real Estate Investment [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 6,041 | 5,902 | 5,403
Commercial Real Estate Investment [Member] | Estimate of Fair Value Measurement [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 5,309 | 4,804 |
Commercial Real Estate Owner Occupied [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 243 | 2,712 |
Commercial Real Estate Owner Occupied [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 1,885 | 887 |
Commercial Real Estate Owner Occupied [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 3,230 | 5,452 | 6,438
Commercial Real Estate Owner Occupied [Member] | Estimate of Fair Value Measurement [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 2,128 | 3,599 |
Residential Mortgage [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial |  | 86 |
Residential Mortgage [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 650 | 774 |
Residential Mortgage [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 650 | 887 | 790
Residential Mortgage [Member] | Estimate of Fair Value Measurement [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 650 | 860 |
Home Equity Line of Credit [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 89 | 50 |
Home Equity Line of Credit [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 106 | 47 |
Home Equity Line of Credit [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 403 | 623 | 411
Home Equity Line of Credit [Member] | Estimate of Fair Value Measurement [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 195 | 97 |
Consumer, Other [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial |  | 2 |
Consumer, Other [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial |  | 70 | 11
Consumer, Other [Member] | Estimate of Fair Value Measurement [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial |  | 2 |
Construction Loans [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial |  | 4,228 |
Construction Loans [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 9,813 | 7,080 |
Construction Loans [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 11,418 | 12,933 | 14,489
Construction Loans [Member] | Estimate of Fair Value Measurement [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Commercial | 9,813 | 11,308 |
Fair Value, Inputs, Level 2 [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Other real estate owned | 8,843 | 9,225 |
Total assets measured at fair value on a nonrecurring basis | 13,629 | 23,474 |
Fair Value, Inputs, Level 3 [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Total assets measured at fair value on a nonrecurring basis | 18,479 | 11,877 |
Estimate of Fair Value Measurement [Member] |  |  |
Note 10 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis [Line Items] |  |  |
Other real estate owned | 8,843 | 9,225 |
Total assets measured at fair value on a nonrecurring basis | $ 32,108 | $ 35,351 |

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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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- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953550-111524 + Details
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- Definition Carrying amount as of the balance sheet date of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10(4)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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