LOANS (Details 1) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-covered loans	$ 21,482	$ 21,062	$ 21,852
Purchased Non-Covered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-covered loans	1,129,919	771,554	643,092
Purchased Non-Covered Loans [Member] | Commercial, financial & agricultural [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-covered loans	111,537	45,462	36,258
Purchased Non-Covered Loans [Member] | Real Estate - construction & development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-covered loans	103,753	72,080	53,668
Purchased Non-Covered Loans [Member] | Real Estate - Commercial & Farmland [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-covered loans	598,935	390,755	291,760
Purchased Non-Covered Loans [Member] | Real Estate - Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-covered loans	309,770	258,153	257,216
Purchased Non-Covered Loans [Member] | Consumer installment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-covered loans	$ 5,924	$ 5,104	$ 4,190