Note 16 - Fair Value Measurements (Details) - Assets and Liabilities at Fair Value on Recurring Basis (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Note 16 - Fair Value Measurements (Details) - Assets and Liabilities at Fair Value on Recurring Basis [Line Items]
Available-for-sale Securities Fair Value	$ 183,668	$ 189,815
US Government Agencies [Member] | Fair Value, Inputs, Level 2 [Member]
Note 16 - Fair Value Measurements (Details) - Assets and Liabilities at Fair Value on Recurring Basis [Line Items]
Available-for-sale Securities Fair Value	147,854	129,564
US Government Agencies [Member]
Note 16 - Fair Value Measurements (Details) - Assets and Liabilities at Fair Value on Recurring Basis [Line Items]
Available-for-sale Securities Fair Value	147,854	129,564
States and Political Subdivisions [Member] | Fair Value, Inputs, Level 2 [Member]
Note 16 - Fair Value Measurements (Details) - Assets and Liabilities at Fair Value on Recurring Basis [Line Items]
Available-for-sale Securities Fair Value	23,456	36,779
States and Political Subdivisions [Member]
Note 16 - Fair Value Measurements (Details) - Assets and Liabilities at Fair Value on Recurring Basis [Line Items]
Available-for-sale Securities Fair Value	23,456	36,779
Mortgage-backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Note 16 - Fair Value Measurements (Details) - Assets and Liabilities at Fair Value on Recurring Basis [Line Items]
Available-for-sale Securities Fair Value	2,840	4,569
Mortgage-backed Securities [Member]
Note 16 - Fair Value Measurements (Details) - Assets and Liabilities at Fair Value on Recurring Basis [Line Items]
Available-for-sale Securities Fair Value	2,840	4,569
Corporate Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Note 16 - Fair Value Measurements (Details) - Assets and Liabilities at Fair Value on Recurring Basis [Line Items]
Available-for-sale Securities Fair Value	7,395	14,575
Corporate Securities [Member]
Note 16 - Fair Value Measurements (Details) - Assets and Liabilities at Fair Value on Recurring Basis [Line Items]
Available-for-sale Securities Fair Value	7,395	14,575
Other Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Note 16 - Fair Value Measurements (Details) - Assets and Liabilities at Fair Value on Recurring Basis [Line Items]
Available-for-sale Securities Fair Value	2,123	2,255
Other Securities [Member]
Note 16 - Fair Value Measurements (Details) - Assets and Liabilities at Fair Value on Recurring Basis [Line Items]
Available-for-sale Securities Fair Value	2,123	2,255
US Treasury Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Note 16 - Fair Value Measurements (Details) - Assets and Liabilities at Fair Value on Recurring Basis [Line Items]
Available-for-sale Securities Fair Value		2,073
US Treasury Securities [Member]
Note 16 - Fair Value Measurements (Details) - Assets and Liabilities at Fair Value on Recurring Basis [Line Items]
Available-for-sale Securities Fair Value		2,073
Fair Value, Inputs, Level 2 [Member]
Note 16 - Fair Value Measurements (Details) - Assets and Liabilities at Fair Value on Recurring Basis [Line Items]
Available-for-sale Securities Fair Value	$ 183,668	$ 189,815