LOANS (Details 3) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	$ 16,200		$ 36,800
Total Loans	5,321,514	$ 5,264,326
Loans Excluding Purchased Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	36,588	32,893
Current Loans	3,748,892	3,593,928
Total Loans	3,785,480	3,626,821
Loans 90 Days or More Past Due and Still Accruing	933	0
Loans Excluding Purchased Loan [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	13,657	14,780
Loans Excluding Purchased Loan [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	6,678	3,784
Loans Excluding Purchased Loan [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	16,253	14,329
Commercial Financial And Agricultural [Member] | Loans Excluding Purchased Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	10,778	1,940
Current Loans	1,050,821	965,198
Total Loans	1,061,599	967,138
Loans 90 Days or More Past Due and Still Accruing	933	0
Commercial Financial And Agricultural [Member] | Loans Excluding Purchased Loan [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	4,641	565
Commercial Financial And Agricultural [Member] | Loans Excluding Purchased Loan [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	3,756	82
Commercial Financial And Agricultural [Member] | Loans Excluding Purchased Loan [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	2,381	1,293
Real Estate Construction And Development [Member] | Loans Excluding Purchased Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	1,509	1,793
Current Loans	413,520	361,252
Total Loans	415,029	363,045
Loans 90 Days or More Past Due and Still Accruing	0	0
Real Estate Construction And Development [Member] | Loans Excluding Purchased Loan [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	799	908
Real Estate Construction And Development [Member] | Loans Excluding Purchased Loan [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	133	446
Real Estate Construction And Development [Member] | Loans Excluding Purchased Loan [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	577	439
Real Estate Commercial And Farmland [Member] | Loans Excluding Purchased Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	11,070	14,985
Current Loans	1,447,040	1,391,234
Total Loans	1,458,110	1,406,219
Loans 90 Days or More Past Due and Still Accruing	0	0
Real Estate Commercial And Farmland [Member] | Loans Excluding Purchased Loan [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	2,558	6,329
Real Estate Commercial And Farmland [Member] | Loans Excluding Purchased Loan [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	1,526	1,711
Real Estate Commercial And Farmland [Member] | Loans Excluding Purchased Loan [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	6,986	6,945
Real Estate - Residential [Member] | Loans Excluding Purchased Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	12,044	12,938
Current Loans	714,751	768,080
Total Loans	726,795	781,018
Loans 90 Days or More Past Due and Still Accruing	0	0
Real Estate - Residential [Member] | Loans Excluding Purchased Loan [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	5,088	6,354
Real Estate - Residential [Member] | Loans Excluding Purchased Loan [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	1,011	1,282
Real Estate - Residential [Member] | Loans Excluding Purchased Loan [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	5,945	5,302
Consumer Installment [Member] | Loans Excluding Purchased Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	1,187	1,237
Current Loans	114,732	95,678
Total Loans	115,919	96,915
Loans 90 Days or More Past Due and Still Accruing	0	0
Consumer Installment [Member] | Loans Excluding Purchased Loan [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	571	624
Consumer Installment [Member] | Loans Excluding Purchased Loan [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	252	263
Consumer Installment [Member] | Loans Excluding Purchased Loan [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	364	350
Other [Member] | Loans Excluding Purchased Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	0	0
Current Loans	8,028	12,486
Total Loans	8,028	12,486
Loans 90 Days or More Past Due and Still Accruing	0	0
Other [Member] | Loans Excluding Purchased Loan [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	0	0
Other [Member] | Loans Excluding Purchased Loan [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	0	0
Other [Member] | Loans Excluding Purchased Loan [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	$ 0	$ 0