Note 23 - Fair Value (Details) - Changes in Level 3 Assets Measured at Fair Value on a Recurring Basis (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total unrealized gains/(losses) included in other comprehensive income	$ (4,764)	$ 1,123	$ 4,130
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance at beginning of year	21,870	16,914
Total realized and unrealized gains/(losses) included in income	0	0
Total unrealized gains/(losses) included in other comprehensive income	0	0
Purchases of securities	6,225	17,262
Sales of securities	0	0
Calls and maturities	(8,066)	(12,663)
Net transfers into (out of) Level 3	(579)	357
Balance at December 31 of each year	$ 19,450	$ 21,870