Note 2 - Pending Acquisition (Details) (USD $)	0 Months Ended
	Sep. 12, 2013	Sep. 30, 2013	Dec. 31, 2012
Note 2 - Pending Acquisition (Details) [Line Items]
Payments to Acquire Businesses, Gross	$ 53,600,000
Proceeds from Issuance of Unsecured Debt	46,000,000
Debt Instrument, Interest Rate During Period	3.25%
Debt Instrument, Term	3 years
Assets		3,441,709,000	3,527,489,000
Deposits		2,838,798,000	2,874,163,000
Upon Completion of the Transaction [Member]
Note 2 - Pending Acquisition (Details) [Line Items]
Assets	4,400,000,000
Deposits	3,700,000,000
Loans Receivable, Net	$ 2,300,000,000