LOANS (Details 1) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-covered loans	$ 22,963	$ 21,062	$ 22,471
Purchased Non-Covered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-covered loans	1,067,090	771,554	767,494
Purchased Non-Covered Loans [Member] | Commercial, financial & agricultural [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-covered loans	99,596	45,462	42,350
Purchased Non-Covered Loans [Member] | Real Estate - construction & development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-covered loans	86,099	72,080	71,109
Purchased Non-Covered Loans [Member] | Real Estate - Commercial & Farmland [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-covered loans	590,388	390,755	385,032
Purchased Non-Covered Loans [Member] | Real Estate - Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-covered loans	286,169	258,153	263,312
Purchased Non-Covered Loans [Member] | Consumer installment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-covered loans	$ 4,838	$ 5,104	$ 5,691