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