Note 12 - Fair Value (Details) - Fair Value Measurements Recorded for Assets Measured at Fair Value on a Non-Recurring Basis (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Charged to Allowance for Loan and Covered Loan Losses [Member]
Note 12 - Fair Value (Details) - Fair Value Measurements Recorded for Assets Measured at Fair Value on a Non-Recurring Basis [Line Items]
Collateral-dependent impaired loans	$ 4,426	$ 17,674	$ 11,208	$ 36,414
Loans held-for-sale	1,560	0	1,560	3,135
Charged to Earnings [Member]
Note 12 - Fair Value (Details) - Fair Value Measurements Recorded for Assets Measured at Fair Value on a Non-Recurring Basis [Line Items]
OREO	$ 19	$ 1,824	$ 586	$ 2,514