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Note 5 - Loans (Details) - Impaired Loans and Related Allowance For Credit Losses (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
With allocated allowance |  |
Allowance | $ 13,284 | $ 12,183
Total impaired loans | 263,848 | 323,786
Total impaired loans | 200,780 | 248,597
Total impaired loans | 13,284 | 12,183
Commercial Loans Member |  |
With allocated allowance |  |
Loans with related allowance unpaid principal balance | 22,737 | 7,804
Loans with related allowance recorded investment | 13,063 | 4,959
Allowance | 2,519 | 1,467
Total impaired loans | 2,519 | 1,467
Real Estate Construction Loans [Member] |  |
With allocated allowance |  |
Loans with related allowance unpaid principal balance | 28,475 | 54,718
Loans with related allowance recorded investment | 19,323 | 34,856
Allowance | 3,460 | 8,158
Total impaired loans | 3,460 | 8,158
Commercial Mortgage Loans [Member] |  |
With allocated allowance |  |
Loans with related allowance unpaid principal balance | 39,223 | 14,163
Loans with related allowance recorded investment | 35,613 | 12,928
Allowance | 6,584 | 1,336
Total impaired loans | 6,584 | 1,336
Residential Mortgage And Equity Lines Member |  |
With allocated allowance |  |
Loans with related allowance unpaid principal balance | 16,535 | 14,264
Loans with related allowance recorded investment | 14,957 | 12,428
Allowance | 721 | 1,222
Total impaired loans | 721 | 1,222
With Allocated Allowance Member |  |
With allocated allowance |  |
Loans with related allowance unpaid principal balance | 106,970 | 90,949
Loans with related allowance recorded investment | 82,956 | 65,171
Allowance | 13,284 | 12,183
Total impaired loans | 13,284 | 12,183
Commercial Loans Member |  |
With no allocated allowance |  |
Loans with no related allowance unpaid principal balance | 20,992 | 29,359
Loans with no related allowance recorded investment | 18,905 | 18,963
Real Estate Construction Loans [Member] |  |
With no allocated allowance |  |
Loans with no related allowance unpaid principal balance | 25,401 | 9,304
Loans with no related allowance recorded investment | 15,097 | 7,277
Commercial Mortgage Loans [Member] |  |
With no allocated allowance |  |
Loans with no related allowance unpaid principal balance | 105,593 | 189,871
Loans with no related allowance recorded investment | 78,930 | 152,957
Residential Mortgage And Equity Lines Member |  |
With no allocated allowance |  |
Loans with no related allowance unpaid principal balance | 4,892 | 4,303
Loans with no related allowance recorded investment | 4,892 | 4,229
With No Allocated Allowance Member |  |
With no allocated allowance |  |
Loans with no related allowance unpaid principal balance | 156,878 | 232,837
Loans with no related allowance recorded investment | $ 117,824 | $ 183,426

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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=28368275&loc=SL6953550-111524 + Details
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- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524 + Details
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