Note 11 - Fair Value Measurements (Details) - Financial Asset and Liabilities Measured on a Non-Recurring Basis (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended				12 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013		Dec. 31, 2013		Dec. 31, 2012
Assets
Fair Value of Assets measured on a non-recurring basis	$ 92,326				$ 92,326				$ 116,001
Total losses / (Gains)	316		(1,097)		610		(330)		3,344		12,666
Commercial Loans [Member] | Fair Value, Inputs, Level 3 [Member] | Impaired Loans [Member]
Assets
Fair Value of Assets measured on a non-recurring basis	4,983				4,983				7,584
Commercial Loans [Member] | Impaired Loans [Member]
Assets
Fair Value of Assets measured on a non-recurring basis	4,983				4,983				7,584
Total losses / (Gains)	17				17		463		5,731
Commercial Mortgage Loans [Member] | Fair Value, Inputs, Level 3 [Member] | Impaired Loans [Member]
Assets
Fair Value of Assets measured on a non-recurring basis	26,889				26,889				29,001
Commercial Mortgage Loans [Member] | Impaired Loans [Member]
Assets
Fair Value of Assets measured on a non-recurring basis	26,889				26,889				29,001
Total losses / (Gains)			65				106		125		440
Real Estate Construction Loans [Member] | Fair Value, Inputs, Level 3 [Member] | Impaired Loans [Member]
Assets
Fair Value of Assets measured on a non-recurring basis	15,360				15,360
Real Estate Construction Loans [Member] | Impaired Loans [Member]
Assets
Fair Value of Assets measured on a non-recurring basis	15,360				15,360
Residential Mortgage And Equity Lines Member | Fair Value, Inputs, Level 3 [Member] | Impaired Loans [Member]
Assets
Fair Value of Assets measured on a non-recurring basis	13,156				13,156				14,236
Residential Mortgage And Equity Lines Member | Impaired Loans [Member]
Assets
Fair Value of Assets measured on a non-recurring basis	13,156				13,156				14,236
Total losses / (Gains)			31				220		213		605
Land Loans [Member] | Fair Value, Inputs, Level 3 [Member] | Impaired Loans [Member]
Assets
Fair Value of Assets measured on a non-recurring basis	31				31				29
Land Loans [Member] | Impaired Loans [Member]
Assets
Fair Value of Assets measured on a non-recurring basis	31				31				29
Total losses / (Gains)							48				162
Fair Value, Inputs, Level 1 [Member] | Other Real Estate Owned [Member]
Assets
Fair Value of Assets measured on a non-recurring basis		[1]				[1]				[2]
Fair Value, Inputs, Level 1 [Member] | Equity Investments [Member]
Assets
Fair Value of Assets measured on a non-recurring basis									642
Fair Value, Inputs, Level 1 [Member]
Assets
Fair Value of Assets measured on a non-recurring basis									642
Fair Value, Inputs, Level 2 [Member] | Other Real Estate Owned [Member]
Assets
Fair Value of Assets measured on a non-recurring basis	15,483	[1]			15,483	[1]			13,248	[2]
Fair Value, Inputs, Level 2 [Member]
Assets
Fair Value of Assets measured on a non-recurring basis	15,483				15,483				13,248
Fair Value, Inputs, Level 3 [Member] | Impaired Loans [Member]
Assets
Fair Value of Assets measured on a non-recurring basis	60,419				60,419				66,713
Fair Value, Inputs, Level 3 [Member] | Other Real Estate Owned [Member]
Assets
Fair Value of Assets measured on a non-recurring basis	10,637	[1]			10,637	[1]			26,498	[2]
Fair Value, Inputs, Level 3 [Member] | Equity Investments [Member]
Assets
Fair Value of Assets measured on a non-recurring basis	5,787				5,787
Fair Value, Inputs, Level 3 [Member]
Assets
Fair Value of Assets measured on a non-recurring basis	76,843				76,843				102,111
Impaired Loans [Member]
Assets
Fair Value of Assets measured on a non-recurring basis	60,419				60,419				66,713
Total losses / (Gains)	17		96		17		837		6,069		1,272
Other Real Estate Owned [Member]
Assets
Fair Value of Assets measured on a non-recurring basis	26,120	[1]			26,120	[1]			39,746	[2]
Total losses / (Gains)	142	[1]	(1,312)	[1]	325	[1]	(1,378)	[1]	(3,134)	[2]	10,904	[2]
Equity Investments [Member]
Assets
Fair Value of Assets measured on a non-recurring basis	5,787				5,787				642
Total losses / (Gains)	$ 157		$ 119		$ 268		$ 211				$ 181

[1] Other real estate owned balance of $34.8 million in the condensed consolidated balance sheet is net of estimated disposal costs.

[2] Other real estate owned balance of $53.0 million in the consolidated balance sheet is net of estimated disposal costs.