Note 21 - Disclosures Regarding Fair Value (Details) - Assets Measured at Fair Value on a Nonrecurring Basis (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Assets
Total assets measured at fair value on a nonrecurring basis	$ 214,205	$ 219,705
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member]
Assets
Foreclosed real estate and repossessed personal property	34	34
Total assets measured at fair value on a nonrecurring basis	34	34
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member]
Assets
Mortgage loans held for sale	2,474	1,722
Impaired loans in gross loans	5,726	5,588
Foreclosed real estate and repossessed personal property	377	31
Total assets measured at fair value on a nonrecurring basis	8,577	7,341
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Assets
Impaired loans in gross loans		25
Foreclosed real estate and repossessed personal property	6,253	6,595
Long-lived assets held for sale	685	685
Total assets measured at fair value on a nonrecurring basis	6,938	7,305
Fair Value, Measurements, Nonrecurring [Member]
Assets
Mortgage loans held for sale	2,474	1,722
Impaired loans in gross loans	5,726	5,613
Foreclosed real estate and repossessed personal property	6,664	6,660
Long-lived assets held for sale	685	685
Total assets measured at fair value on a nonrecurring basis	15,549	14,680
Fair Value, Inputs, Level 1 [Member]
Assets
Total assets measured at fair value on a nonrecurring basis	33,372	22,992
Fair Value, Inputs, Level 2 [Member]
Assets
Total assets measured at fair value on a nonrecurring basis	$ 180,833	$ 196,713