Note 21 - Disclosures Regarding Fair Value (Details) - Assets Measured at Fair Value on a Nonrecurring Basis (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Assets
Total assets measured at fair value on a nonrecurring basis	$ 220,049	$ 219,705
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets
Foreclosed real estate and repossessed personal property	414	34
Total assets measured at fair value on a nonrecurring basis	414	34
Fair Value, Inputs, Level 1 [Member]
Assets
Total assets measured at fair value on a nonrecurring basis	23,859	22,992
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets
Mortgage loans held for sale	268	1,722
Impaired loans in gross loans	5,549	5,588
Foreclosed real estate and repossessed personal property	508	31
Long-lived assets held for sale	333
Total assets measured at fair value on a nonrecurring basis	6,658	7,341
Fair Value, Inputs, Level 2 [Member]
Assets
Total assets measured at fair value on a nonrecurring basis	196,190	196,713
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets
Impaired loans in gross loans		25
Foreclosed real estate and repossessed personal property	5,401	6,595
Long-lived assets held for sale	99	685
Total assets measured at fair value on a nonrecurring basis	5,500	7,305
Fair Value, Measurements, Nonrecurring [Member]
Assets
Mortgage loans held for sale	268	1,722
Impaired loans in gross loans	5,549	5,613
Foreclosed real estate and repossessed personal property	6,323	6,660
Long-lived assets held for sale	432	685
Total assets measured at fair value on a nonrecurring basis	$ 12,572	$ 14,680