LOANS (Details 11) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	$ 5,670,841	$ 5,264,326
Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	4,230,228	3,626,821
Commercial, financial & agricultural [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	1,218,633	967,138
Real Estate - construction & development [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	486,858	363,045
Real Estate - Commercial & Farmland [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	1,519,002	1,406,219
Real estate - residential [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	857,069	781,018
Consumer Installment Loans [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	147,505	96,915
Other [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	1,161	12,486
10 [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	490,514	414,564
10 [Member] | Commercial, financial & agricultural [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	475,310	397,093
10 [Member] | Real Estate - construction & development [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
10 [Member] | Real Estate - Commercial & Farmland [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	6,384	8,814
10 [Member] | Real estate - residential [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	51	125
10 [Member] | Consumer Installment Loans [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	8,769	8,532
10 [Member] | Other [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
15 [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	631,141	539,147
15 [Member] | Commercial, financial & agricultural [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	502,635	376,323
15 [Member] | Real Estate - construction & development [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	1,306	5,390
15 [Member] | Real Estate - Commercial & Farmland [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	81,494	102,893
15 [Member] | Real estate - residential [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	45,429	54,136
15 [Member] | Consumer Installment Loans [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	277	405
15 [Member] | Other [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
20 [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	1,875,308	1,669,998
20 [Member] | Commercial, financial & agricultural [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	108,940	97,057
20 [Member] | Real Estate - construction & development [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	47,672	36,307
20 [Member] | Real Estate - Commercial & Farmland [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	996,883	889,539
20 [Member] | Real estate - residential [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	696,382	609,583
20 [Member] | Consumer Installment Loans [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	24,270	25,026
20 [Member] | Other [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	1,161	12,486
23 [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	15,386	23,186
23 [Member] | Commercial, financial & agricultural [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	349	366
23 [Member] | Real Estate - construction & development [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	6,072	6,803
23 [Member] | Real Estate - Commercial & Farmland [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	3,055	8,533
23 [Member] | Real estate - residential [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	5,906	7,470
23 [Member] | Consumer Installment Loans [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	4	14
23 [Member] | Other [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
25 [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	1,147,786	907,588
25 [Member] | Commercial, financial & agricultural [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	120,987	92,066
25 [Member] | Real Estate - construction & development [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	424,915	307,903
25 [Member] | Real Estate - Commercial & Farmland [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	399,354	357,151
25 [Member] | Real estate - residential [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	89,100	88,370
25 [Member] | Consumer Installment Loans [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	113,430	62,098
25 [Member] | Other [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
30 [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	32,871	29,172
30 [Member] | Commercial, financial & agricultural [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	5,720	144
30 [Member] | Real Estate - construction & development [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	5,217	719
30 [Member] | Real Estate - Commercial & Farmland [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	16,817	22,986
30 [Member] | Real estate - residential [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	4,998	5,197
30 [Member] | Consumer Installment Loans [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	119	126
30 [Member] | Other [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
40 [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	37,116	43,067
40 [Member] | Commercial, financial & agricultural [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	4,685	4,089
40 [Member] | Real Estate - construction & development [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	1,676	5,923
40 [Member] | Real Estate - Commercial & Farmland [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	15,015	16,303
40 [Member] | Real estate - residential [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	15,104	16,038
40 [Member] | Consumer Installment Loans [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	636	714
40 [Member] | Other [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
50 [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	106	99
50 [Member] | Commercial, financial & agricultural [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	7	0
50 [Member] | Real Estate - construction & development [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
50 [Member] | Real Estate - Commercial & Farmland [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
50 [Member] | Real estate - residential [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	99	99
50 [Member] | Consumer Installment Loans [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
50 [Member] | Other [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
60 [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
60 [Member] | Commercial, financial & agricultural [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
60 [Member] | Real Estate - construction & development [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
60 [Member] | Real Estate - Commercial & Farmland [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
60 [Member] | Real estate - residential [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
60 [Member] | Consumer Installment Loans [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
60 [Member] | Other [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	$ 0	$ 0