Note 18 - Fair Value Measurements (Details) - Fair Value of Financial Assets Measured on a Nonrecurring Basis (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013		Dec. 31, 2012
ASSETS
Impaired loans (1) (2) (collateral dependent)	$ 16,700		$ 30,803
Fair Value, Measurements, Nonrecurring [Member] | Estimate of Fair Value Measurement [Member]
ASSETS
Impaired loans (1) (2) (collateral dependent)	2,661	[1],[2]	4,900	[1],[2]
Foreclosed assets held for sale (1)	2,756	[1]	1,484	[1]
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member]
ASSETS
Impaired loans (1) (2) (collateral dependent)		[1],[2]		[1],[2]
Foreclosed assets held for sale (1)		[1]		[1]
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member]
ASSETS
Impaired loans (1) (2) (collateral dependent)		[1],[2]		[1],[2]
Foreclosed assets held for sale (1)		[1]		[1]
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
ASSETS
Impaired loans (1) (2) (collateral dependent)	2,661	[1],[2]	4,900	[1],[2]
Foreclosed assets held for sale (1)	$ 2,756	[1]	$ 1,484	[1]

[1] These amounts represent the resulting carrying amounts on the Consolidated Balance Sheets for impaired collateral dependent loans and foreclosed assets held for sale for which fair value re-measurements took place during the period.

[2] Specific allocations of $302,000 and $219,000 were related to the impaired collateral dependent loans for which fair value re-measurements took place during the periods ended June 30, 2013 and December 31, 2012, respectively.