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Note 6 - Loans And Related Allowance For Loan Losses (Detail) - Past Due Financing Receivables (USD $) In Thousands, unless otherwise specified | Jun. 30, 2012 | Dec. 31, 2011
--- | --- | ---
Financing Receivable Current | $ 390,734 | $ 380,379
Financing Receivable 30-59 Days Past Due | 3,612 | 3,045
Financing Receivable 60-89 Days Past Due | 1,083 | 1,332
Financing Receivable 90 Days + Past Due | 129 | 319
Financing Receivable Total Past Due | 4,824 | 4,696
Financing Receivable Non-Accrual | 15,310 | 16,805
Financing Receivable | 410,868 | 401,880
Commercial and Industrial [Member] |  |
Financing Receivable Current | 62,581 | 57,291
Financing Receivable 30-59 Days Past Due | 1,173 | 258
Financing Receivable 60-89 Days Past Due | 284 | 16
Financing Receivable 90 Days + Past Due | 20 | 44
Financing Receivable Total Past Due | 1,477 | 318
Financing Receivable Non-Accrual | 1,593 | 1,576
Financing Receivable | 65,651 | 59,185
Real Estate Construction [Member] |  |
Financing Receivable Current | 19,963 | 20,862
Financing Receivable 30-59 Days Past Due |  | 20
Financing Receivable Total Past Due |  | 20
Financing Receivable Non-Accrual | 446 | 663
Financing Receivable | 20,409 | 21,545
Residential Real Estate Mortgage [Member] |  |
Financing Receivable Current | 193,798 | 193,732
Financing Receivable 30-59 Days Past Due | 2,147 | 2,624
Financing Receivable 60-89 Days Past Due | 621 | 863
Financing Receivable 90 Days + Past Due | 109 | 275
Financing Receivable Total Past Due | 2,877 | 3,762
Financing Receivable Non-Accrual | 10,405 | 10,645
Financing Receivable | 207,080 | 208,139
Commercial Real Estate Mortgage [Member] |  |
Financing Receivable Current | 110,103 | 104,086
Financing Receivable 30-59 Days Past Due | 251 | 83
Financing Receivable 60-89 Days Past Due | 178 | 412
Financing Receivable Total Past Due | 429 | 495
Financing Receivable Non-Accrual | 2,851 | 3,921
Financing Receivable | 113,383 | 108,502
Consumer Installment [Member] |  |
Financing Receivable Current | 4,289 | 4,408
Financing Receivable 30-59 Days Past Due | 41 | 60
Financing Receivable 60-89 Days Past Due |  | 41
Financing Receivable Total Past Due | 41 | 101
Financing Receivable Non-Accrual | 15 |
Financing Receivable | $ 4,345 | $ 4,509

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- Definition Financing receivables that are less than 60 days past due but more than 29 days past due. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953401-111524 + Details
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- Definition Financing receivables that are less than 90 days past due but more than 59 days past due. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953401-111524 + Details
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- Definition Financing receivables that are current. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953401-111524 + Details
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- Definition Financing receivables that are equal to or greater than 90 days past due. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953401-111524 + Details
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- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5111-111524 + Details
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- Definition Recorded Investment in financing receivables that are past due at the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953401-111524 + Details
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- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Section 563c.102 -Paragraph 8 -Subparagraph e -Chapter V -Subsection I -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Paragraph 116 -IssueDate 2006-05-01 -Chapter 8 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5074-111524 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6375948&loc=d3e4428-111522 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 01-6 -Paragraph 13 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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