Note 21 - Disclosures Regarding Fair Value (Details) - Assets Measured at Fair Value on a Nonrecurring Basis (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Assets
Total assets measured at fair value on a nonrecurring basis	$ 215,231	$ 219,705
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets
Impaired loans in gross loans	558
Foreclosed real estate and repossessed personal property	23	34
Total assets measured at fair value on a nonrecurring basis	581	34
Fair Value, Inputs, Level 1 [Member]
Assets
Total assets measured at fair value on a nonrecurring basis	20,994	22,992
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets
Mortgage loans held for sale	4,874	1,722
Impaired loans in gross loans	5,228	5,588
Foreclosed real estate and repossessed personal property	551	31
Total assets measured at fair value on a nonrecurring basis	10,653	7,341
Fair Value, Inputs, Level 2 [Member]
Assets
Total assets measured at fair value on a nonrecurring basis	194,237	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	5,861	6,595
Long-lived assets held for sale	685	685
Total assets measured at fair value on a nonrecurring basis	6,546	7,305
Fair Value, Measurements, Nonrecurring [Member]
Assets
Mortgage loans held for sale	4,874	1,722
Impaired loans in gross loans	5,786	5,613
Foreclosed real estate and repossessed personal property	6,435	6,660
Long-lived assets held for sale	685	685
Total assets measured at fair value on a nonrecurring basis	$ 17,780	$ 14,680