LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 5) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	$ 69,400	$ 96,500
Total Loans	3,626,821	2,406,877
Purchased Non Covered Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	20,254	22,264
Current Loans	990,777	749,290
Total Loans	1,011,031	771,554
Loans 90 Days or More Past Due and Still Accruing	0	0
Purchased Non Covered Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	4,412	8,139
Purchased Non Covered Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	993	4,514
Purchased Non Covered Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	14,849	9,611
Commercial Financial And Agricultural [Member] | Purchased Non Covered Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	597	1,107
Current Loans	95,146	44,355
Total Loans	95,743	45,462
Loans 90 Days or More Past Due and Still Accruing	0	0
Commercial Financial And Agricultural [Member] | Purchased Non Covered Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	113	248
Commercial Financial And Agricultural [Member] | Purchased Non Covered Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	18	13
Commercial Financial And Agricultural [Member] | Purchased Non Covered Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	466	846
Real Estate Construction And Development [Member] | Purchased Non Covered Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	2,576	1,523
Current Loans	75,800	70,557
Total Loans	78,376	72,080
Loans 90 Days or More Past Due and Still Accruing	0	0
Real Estate Construction And Development [Member] | Purchased Non Covered Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	67	416
Real Estate Construction And Development [Member] | Purchased Non Covered Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	10	687
Real Estate Construction And Development [Member] | Purchased Non Covered Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	2,499	420
Commercial And Farmland [Member] | Purchased Non Covered Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	8,643	7,455
Current Loans	554,795	383,300
Total Loans	563,438	390,755
Loans 90 Days or More Past Due and Still Accruing	0	0
Commercial And Farmland [Member] | Purchased Non Covered Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	1,431	2,479
Commercial And Farmland [Member] | Purchased Non Covered Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	295	1,629
Commercial And Farmland [Member] | Purchased Non Covered Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	6,917	3,347
Residential Real Estate [Member] | Purchased Non Covered Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	8,403	12,069
Current Loans	260,485	246,084
Total Loans	268,888	258,153
Loans 90 Days or More Past Due and Still Accruing	0	0
Residential Real Estate [Member] | Purchased Non Covered Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	2,779	4,965
Residential Real Estate [Member] | Purchased Non Covered Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	670	2,176
Residential Real Estate [Member] | Purchased Non Covered Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	4,954	4,928
Consumer Installment [Member] | Purchased Non Covered Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	35	110
Current Loans	4,551	4,994
Total Loans	4,586	5,104
Loans 90 Days or More Past Due and Still Accruing	0	0
Consumer Installment [Member] | Purchased Non Covered Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	22	31
Consumer Installment [Member] | Purchased Non Covered Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	0	9
Consumer Installment [Member] | Purchased Non Covered Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	$ 13	$ 70