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Note 5 - Loans (Details) (USD $) | 1 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended
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Mar. 31, 2012 | Jul. 31, 2011 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 Nonaccrual Loans [Member] | Dec. 31, 2012 Nonaccrual Loans [Member] | Dec. 31, 2011 Nonaccrual Loans [Member] | Dec. 31, 2013 Accruing Troubled Debt Restructuring Member Commercial Loans Member | Dec. 31, 2012 Accruing Troubled Debt Restructuring Member Commercial Loans Member | Dec. 31, 2011 Accruing Troubled Debt Restructuring Member Commercial Loans Member | Dec. 31, 2013 Accruing Troubled Debt Restructuring Member Residential Mortgage Loans [Member] | Dec. 31, 2012 Accruing Troubled Debt Restructuring Member Residential Mortgage Loans [Member] | Dec. 31, 2011 Accruing Troubled Debt Restructuring Member Residential Mortgage Loans [Member] | Dec. 31, 2013 Accruing Troubled Debt Restructuring Member | Dec. 31, 2012 Accruing Troubled Debt Restructuring Member | Dec. 31, 2011 Accruing Troubled Debt Restructuring Member | Dec. 31, 2012 Nonaccrual Loans Held For Sale [Member] | Dec. 31, 2013 Real Estate Loans [Member] | Dec. 31, 2012 Real Estate Loans [Member] | Dec. 31, 2013 Commercial Loans Member | Dec. 31, 2012 Commercial Loans Member | Dec. 31, 2013 Commercial Real Estate Loans [Member] | Dec. 31, 2013 Construction [Member] | Dec. 31, 2013 Residential Mortgage Loans [Member] | Dec. 31, 2013 Accruing Troubled Debt Restructuring Member | Dec. 31, 2012 Accruing Troubled Debt Restructuring Member | Dec. 31, 2011 Accruing Troubled Debt Restructuring Member | Dec. 31, 2010 Accruing Troubled Debt Restructuring Member | Dec. 31, 2013 Non Accruing Troubled Debt Restructuring Member | Dec. 31, 2012 Non Accruing Troubled Debt Restructuring Member | Dec. 31, 2011 Non Accruing Troubled Debt Restructuring Member | Dec. 31, 2010 Non Accruing Troubled Debt Restructuring Member | Dec. 31, 2013 Retail Shopping And Commercial Use Building Member | Dec. 31, 2012 Retail Shopping And Commercial Use Building Member | Dec. 31, 2013 Office And Commercial Use Building Member | Dec. 31, 2012 Office And Commercial Use Building Member | Dec. 31, 2013 Hotel Loan Member | Dec. 31, 2012 Hotel Loan Member | Dec. 31, 2013 Single Family Residential Loan Member | Dec. 31, 2012 Single Family Residential Loan Member | Dec. 31, 2013 Land Loan Member | Dec. 31, 2012 Land Loan Member | Dec. 31, 2013 Commercial Loans Member | Dec. 31, 2012 Commercial Loans Member | Dec. 31, 2013 Multi-Family Residences [Member] | Dec. 31, 2012 Multi-Family Residences [Member] | Dec. 31, 2013 Minimum [Member] | Dec. 31, 2012 Maximum [Member]
Note 5 - Loans (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,600,000,000 | $ 1,600,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans Pledged with Federal Reserve Bank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 119,100,000 | 211,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Servicing Asset at Fair Value, Amount |  |  | 197,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 53,300,000 |  | 13,300,000 | 12,000,000 | 119,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage Loans on Real Estate, Cost of Mortgages Sold | 7,900,000 | 24,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of Loan Participation to Contractual Balance | 92.50% | 98.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impaired Financing Receivable, Recorded Investment |  |  | 200,780,000 | 248,597,000 |  | 83,200,000 | 103,900,000 |  |  |  |  |  |  |  | 117,600,000 |  |  | 144,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 68,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impaired Financing Receivable, Average Recorded Investment |  |  | 221,152,000 | 277,776,000 | 361,353,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impaired Financing Receivable, Interest Income, Accrual Method |  |  | 5,599,000 | 9,305,000 | 5,330,000 | 5,851,000 | 6,621,000 | 13,049,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage Of Charge-Off To Contractual Balances For Impaired Loans |  |  | 23.90% | 23.20% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Troubled Debt Restructurings, Total |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 117,600,000 | 144,700,000 |  |  | 38,800,000 | 47,700,000 |  |  | 44,200,000 |  | 28,600,000 |  | 17,200,000 |  | 20,000,000 |  | 1,600,000 |  | 5,300,000 |  |  |  |  |
Impaired Financing Receivable, Modifications, Related Allowance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,900,000 | 1,100,000 |  |  | 2,200,000 | 7,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Modifications, Number of Contracts |  |  | 64 | 61 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13 | 16 | 10 | 15 | 4 | 2 | 25 | 17 | 2 | 2 | 5 | 6 | 5 | 3 |  |
Troubled Debt Restructurings, New Restructurings |  |  | 27,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 21,382,000 | 53,958,000 | 60,863,000 |  | 6,226,000 | 12,304,000 | 13,269,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Modifications, Recorded Investment |  |  |  |  |  |  |  |  | $ 14,736,000 | $ 3,964,000 | $ 15,120,000 | $ 6,105,000 | $ 4,716,000 | $ 3,368,000 | $ 117,597,000 | $ 144,695,000 | $ 120,016,000 |  |  |  |  |  |  |  |  | $ 117,597,000 | $ 144,695,000 | $ 120,016,000 | $ 136,800,000 | $ 38,769,000 | $ 47,731,000 | $ 50,870,000 | $ 28,146,000 |  |  |  | $ 40,400,000 |  | $ 12,400,000 |  | $ 19,100,000 |  | $ 2,300,000 |  | $ 1,300,000 | $ 748,000 | $ 1,100,000 |  |
Period Loan Is In Payment Default |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 60 | 90
Financing Receivable, Modifications, Subsequent Default, Number of Contracts |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Amount of the collateral pledged in support of federal home loan bank advances outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + Details
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