Note 21 - Fair Value Measurements (Details) - Assets Measured at Fair Value on a Nonrecurring Basis (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Assets
Total assets measured at fair value on a nonrecurring basis	$ 219,705	$ 264,872
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member]
Assets
Other loans held for sale		800
Foreclosed real estate and repossessed personal property	34
Total assets measured at fair value on a nonrecurring basis	34	800
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member]
Assets
Mortgage loans held for sale	1,722	6,114
Impaired loans in gross loans	5,588	6,285
Foreclosed real estate and repossessed personal property	31	817
Total assets measured at fair value on a nonrecurring basis	7,341	13,216
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Assets
Impaired loans in gross loans	25	189
Foreclosed real estate and repossessed personal property	6,595	9,163
Long-lived assets held for sale	685	685
Total assets measured at fair value on a nonrecurring basis	7,305	10,037
Fair Value, Measurements, Nonrecurring [Member]
Assets
Mortgage loans held for sale	1,722	6,114
Other loans held for sale		800
Impaired loans in gross loans	5,613	6,474
Foreclosed real estate and repossessed personal property	6,660	9,980
Long-lived assets held for sale	685	685
Total assets measured at fair value on a nonrecurring basis	14,680	24,053
Fair Value, Inputs, Level 1 [Member]
Assets
Total assets measured at fair value on a nonrecurring basis	22,992	58,740
Fair Value, Inputs, Level 2 [Member]
Assets
Total assets measured at fair value on a nonrecurring basis	$ 196,713	$ 206,132