Note 14 - Commitments and Contingencies (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Commitments and Contingencies Disclosure [Abstract]
Commitments To Extend Credit	$ 1,900,000,000
CommitmentsToFundFixedRateLoans	107,000,000
Commitments To Fund Adjustable Rate Loans	1,800,000,000
Operating Lease Lease Term Minimum		1 year
Operating Lease Lease Term Maximum		25 years
Operating Leases, Rent Expense	7,700,000	7,400,000	6,700,000
Operating Leases, Income Statement, Sublease Revenue	$ 300,000	$ 300,000	$ 200,000