Note 13 - Stockholders' Equity (Details) (USD $)	1 Months Ended	12 Months Ended
	Nov. 30, 2010	Dec. 31, 2013	Dec. 31, 2012
Note 13 - Stockholders' Equity (Details) [Line Items]
Treasury Stock, Shares, Acquired (in Shares)		836,092	352,000
Treasury Stock Acquired, Average Cost Per Share (in Dollars per share)		$ 15.73	$ 14.26
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 549,870
Shelf Registration, Maximum Amount Allowed to Offer and Sell	170,000,000
Common Stock [Member] | Shareholder Rights Plan [Member]
Note 13 - Stockholders' Equity (Details) [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares)		1
Common Stock Equivalent [Member] | Shareholder Rights Plan [Member]
Note 13 - Stockholders' Equity (Details) [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares)		1
Shareholder Rights Plan [Member]
Note 13 - Stockholders' Equity (Details) [Line Items]
Number of Rights To Purchase Series A Junior Participating Preferred Stock Per Common Stock Owned		1
Purchase Price of Series A Junior Participating Preferred Stock, Per Right To Purchase		65
Percentage Ownership of Holding Company's Common Stock At Which Rights Become Exercisable		15.00%
Percentage of Common Stock Prior To Acquisition		50.00%
Percentage of Assets or Earning Power Sold		50.00%
Savings Bank [Member]
Note 13 - Stockholders' Equity (Details) [Line Items]
Liquidation Account, Conversion From Mutual to Stock Form		1,200,000
Available to Distribute to the Holding Company as Cash Dividends [Member]
Note 13 - Stockholders' Equity (Details) [Line Items]
Retained Earnings, Unappropriated		$ 50,800,000