Note 22 - Regulatory Capital Requirements (Details) - The Company’s and the Bank’s Actual and Required Capital Ratios - USD ($)		Jun. 30, 2015	Dec. 31, 2014
Parent Company [Member]
Common equity Tier 1 capital
Common equity Tier 1 capital, ratio		14.50%
Common equity Tier 1 capital, amount (in Dollars)		$ 136,295
Common equity Tier 1 capital, adequately-capitalized minimum		4.50%
Common equity Tier 1 capital, well-capitalized minimum		6.50%
Tier 1 risk-based capital
Tier 1 capital, ratio		14.50%	15.00%
Tier 1 capital, amount (in Dollars)		$ 136,295	$ 132,455
Tier 1 capital, adequately-capitalized minimum		6.00%	4.00%
Tier 1 capital, well-capitalized minimum		8.00%	6.00%
Total risk-based capital
Total capital, ratio		15.76%	16.26%
Total capital, amount (in Dollars)		$ 148,130	$ 143,519
Total capital, adequately-capitalized minimum		8.00%	8.00%
Total capital, well-capitalized minimum		10.00%	10.00%
Tier 1 leverage
Tier 1 leverage, ratio		11.71%	12.15%
Tier 1 leverage, amount (in Dollars)		$ 136,295	$ 132,455
Tier 1 leverage, adequately-capitalized minimum		4.00%	4.00%
Tier 1 leverage, well-capitalized minimum		5.00%	5.00%
Risk-weighted assets
Risk-weighted assets, amount (in Dollars)		$ 939,737	$ 882,809
Adjusted quarterly average total assets (1)
Adjusted quarterly average total assets, amount (in Dollars)	[1]	$ 1,163,619	$ 1,090,314
The Palmetto Bank [Member]
Common equity Tier 1 capital
Common equity Tier 1 capital, ratio		14.51%
Common equity Tier 1 capital, amount (in Dollars)		$ 136,349
Common equity Tier 1 capital, adequately-capitalized minimum		4.50%
Common equity Tier 1 capital, well-capitalized minimum		6.50%
Tier 1 risk-based capital
Tier 1 capital, ratio		14.51%	14.99%
Tier 1 capital, amount (in Dollars)		$ 136,349	$ 132,299
Tier 1 capital, adequately-capitalized minimum		6.00%	4.00%
Tier 1 capital, well-capitalized minimum		8.00%	6.00%
Total risk-based capital
Total capital, ratio		15.77%	16.24%
Total capital, amount (in Dollars)		$ 148,181	$ 143,363
Total capital, adequately-capitalized minimum		8.00%	8.00%
Total capital, well-capitalized minimum		10.00%	10.00%
Tier 1 leverage
Tier 1 leverage, ratio		11.72%	12.13%
Tier 1 leverage, amount (in Dollars)		$ 136,349	$ 132,299
Tier 1 leverage, adequately-capitalized minimum		4.00%	4.00%
Tier 1 leverage, well-capitalized minimum		5.00%	5.00%
Risk-weighted assets
Risk-weighted assets, amount (in Dollars)		$ 939,686	$ 882,781
Adjusted quarterly average total assets (1)
Adjusted quarterly average total assets, amount (in Dollars)	[1]	$ 1,163,810	$ 1,090,281

[1] Reflects adjusted average total assets for the three months ended June 30, 2015 and December 31, 2014.