LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 13) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	$ 3,626,821	$ 2,406,877
Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	3,626,821	2,406,877
Commercial, financial & agricultural [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	967,138	449,623
Real Estate - construction & development [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	363,045	244,693
Real Estate - Commercial & Farmland [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	1,406,219	1,104,991
Real estate - residential [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	781,018	570,430
Consumer installment [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	96,915	31,125
Other [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	12,486	6,015
10 [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	414,564	250,609
10 [Member] | Commercial, financial & agricultural [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	397,093	241,721
10 [Member] | Real Estate - construction & development [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	294
10 [Member] | Real Estate - Commercial & Farmland [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	8,814	116
10 [Member] | Real estate - residential [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	125	1,606
10 [Member] | Consumer installment [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	8,532	6,872
10 [Member] | Other [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
15 [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	539,147	227,730
15 [Member] | Commercial, financial & agricultural [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	376,323	28,420
15 [Member] | Real Estate - construction & development [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	5,390	2,074
15 [Member] | Real Estate - Commercial & Farmland [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	102,893	117,880
15 [Member] | Real estate - residential [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	54,136	78,165
15 [Member] | Consumer installment [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	405	1,191
15 [Member] | Other [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
20 [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	1,669,998	1,224,320
20 [Member] | Commercial, financial & agricultural [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	97,057	97,142
20 [Member] | Real Estate - construction & development [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	36,307	46,221
20 [Member] | Real Estate - Commercial & Farmland [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	889,539	685,538
20 [Member] | Real estate - residential [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	609,583	369,624
20 [Member] | Consumer installment [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	25,026	19,780
20 [Member] | Other [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	12,486	6,015
23 [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	23,186	27,607
23 [Member] | Commercial, financial & agricultural [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	366	559
23 [Member] | Real Estate - construction & development [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	6,803	7,827
23 [Member] | Real Estate - Commercial & Farmland [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	8,533	13,073
23 [Member] | Real estate - residential [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	7,470	6,112
23 [Member] | Consumer installment [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	14	36
23 [Member] | Other [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
25 [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	907,588	609,413
25 [Member] | Commercial, financial & agricultural [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	92,066	77,829
25 [Member] | Real Estate - construction & development [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	307,903	183,512
25 [Member] | Real Estate - Commercial & Farmland [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	357,151	254,012
25 [Member] | Real estate - residential [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	88,370	91,465
25 [Member] | Consumer installment [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	62,098	2,595
25 [Member] | Other [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
30 [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	29,172	24,423
30 [Member] | Commercial, financial & agricultural [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	144	1,492
30 [Member] | Real Estate - construction & development [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	719	1,620
30 [Member] | Real Estate - Commercial & Farmland [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	22,986	13,821
30 [Member] | Real estate - residential [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	5,197	7,347
30 [Member] | Consumer installment [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	126	143
30 [Member] | Other [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
40 [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	43,067	42,773
40 [Member] | Commercial, financial & agricultural [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	4,089	2,460
40 [Member] | Real Estate - construction & development [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	5,923	3,145
40 [Member] | Real Estate - Commercial & Farmland [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	16,303	20,551
40 [Member] | Real estate - residential [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	16,038	16,111
40 [Member] | Consumer installment [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	714	506
40 [Member] | Other [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
50 [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	99	0
50 [Member] | Commercial, financial & agricultural [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
50 [Member] | Real Estate - construction & development [Member] | Loans Excluding Purchased Non Covered And Covered 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 Non Covered And Covered 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 Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	99	0
50 [Member] | Consumer installment [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
50 [Member] | Other [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
60 [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	2
60 [Member] | Commercial, financial & agricultural [Member] | Loans Excluding Purchased Non Covered And Covered 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 Non Covered And Covered 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 Non Covered And Covered 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 Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	0
60 [Member] | Consumer installment [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	0	2
60 [Member] | Other [Member] | Loans Excluding Purchased Non Covered And Covered Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans portfolio by risk grade	$ 0	$ 0