LOANS (Details 9) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	$ 5,321,514	$ 5,264,326
Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	3,785,480	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	1,061,599	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	415,029	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	1,458,110	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	726,795	781,018
Consumer Installment Loans [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	115,919	96,915
Other [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	8,028	12,486
10 [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	420,814	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	404,968	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	6,617	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	53	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	9,176	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	587,180	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	446,942	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	5,846	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	83,239	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	50,805	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	348	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	1,718,749	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	101,370	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	38,618	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	982,901	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	563,555	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	24,277	25,026
20 [Member] | Other [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	8,028	12,486
23 [Member] | Loans Excluding Purchased Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	20,889	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	350	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	6,673	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	7,981	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	5,880	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	5	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	958,623	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	99,989	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	360,390	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	333,232	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	83,750	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	81,262	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	37,298	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	3,631	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	1,829	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	26,574	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	5,142	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	122	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	41,821	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	4,342	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	1,673	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	17,566	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	17,511	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	729	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