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Note 1 - Summary of Significant Accounting Policies (Details) (USD $) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2013 | Sep. 30, 2013 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |
Number of Limited Partnerships in Housing Investments | 6 |  | 6 | 6 |
Percentage Of Subsidiaries Common Securities Owned By Parent Company | 100.00% |  | 100.00% |  |
Gross Loans Comprised Of Commercial Mortgage Loans Percentage | 49.80% |  | 49.80% |  |
Gross Loans Comprised Of Commercial Loans Percentage | 28.40% |  | 28.40% |  |
Total Deposits Comprised Of Time Deposit Percentage |  |  |  | 39.30% |
Jumbo Cds Deposit With Company For Two Years Or More Percentage | 67.70% |  | 67.70% |  |
Federal Home Loan Bank Stock (in Dollars) | $ 25,000,000 |  | $ 25,000,000 | $ 41,272,000 |
Minimum Stock Requirement On Outstanding Federal Home Loan Bank Borrowings Shares (in Shares) | 250,000 |  | 250,000 |  |
Advances from Federal Home Loan Banks (in Dollars) | 521,200,000 |  | 521,200,000 | 146,200,000 |
Maximum Loan Size Portfolio Stratification Homogenous Portfolio (in Dollars) | 500,000 |  | 500,000 |  |
Venture Capital Investments Limited Partnership Interests Represent Ownership Maximum Percentage | 5.00% |  | 5.00% |  |
Number of Reportable Segments | 2 | 3 |  |  |
Goodwill, Transfers (in Dollars) |  |  | 81,000,000 |  |
Unamortized Core Deposit Premium (in Dollars) | 882,000 |  | 882,000 | 4,900,000 |
Amortization of Intangible Assets (in Dollars) |  |  | 4,533,000 | 5,663,000 | 5,859,000
California [Member] |  |  |  |  |
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |
Residential Mortgages Properties Percentage | 59.00% |  | 59.00% |  |
Core Deposits [Member] |  |  |  |  |
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |
Amortization of Intangible Assets (in Dollars) |  |  | $ 4,500,000 | $ 5,700,000 | $ 5,900,000

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