LOANS (Details 6) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	$ 5,670,841	$ 5,264,326
Purchased Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	13,584	25,060
Current Loans	936,915	1,044,131
Total Loans	950,499	1,069,191
Loans 90 Days or More Past Due and Still Accruing	147	0
Purchased Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	2,590	6,896
Purchased Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	1,480	1,053
Purchased 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	9,514	17,111
Commercial Financial And Agricultural [Member] | Purchased Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	323	724
Current Loans	87,289	95,813
Total Loans	87,612	96,537
Loans 90 Days or More Past Due and Still Accruing	0	0
Commercial Financial And Agricultural [Member] | Purchased Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	171	113
Commercial Financial And Agricultural [Member] | Purchased Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	0	18
Commercial Financial And Agricultural [Member] | Purchased 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	152	593
Real Estate Construction And Development [Member] | Purchased Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	2,233	2,690
Current Loans	71,334	78,678
Total Loans	73,567	81,368
Loans 90 Days or More Past Due and Still Accruing	0	0
Real Estate Construction And Development [Member] | Purchased Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	322	161
Real Estate Construction And Development [Member] | Purchased Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	81	11
Real Estate Construction And Development [Member] | Purchased 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	1,830	2,518
Real Estate Commercial And Farmland [Member] | Purchased Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	3,390	9,512
Current Loans	506,922	566,843
Total Loans	510,312	576,355
Loans 90 Days or More Past Due and Still Accruing	0	0
Real Estate Commercial And Farmland [Member] | Purchased Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	1,084	2,034
Real Estate Commercial And Farmland [Member] | Purchased Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	46	326
Real Estate Commercial And Farmland [Member] | Purchased 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	2,260	7,152
Residential Real Estate [Member] | Purchased Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	7,594	12,099
Current Loans	267,910	298,178
Total Loans	275,504	310,277
Loans 90 Days or More Past Due and Still Accruing	147	0
Residential Real Estate [Member] | Purchased Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	985	4,566
Residential Real Estate [Member] | Purchased Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	1,353	698
Residential Real Estate [Member] | Purchased 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	5,256	6,835
Consumer Installment [Member] | Purchased Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	44	35
Current Loans	3,460	4,619
Total Loans	3,504	4,654
Loans 90 Days or More Past Due and Still Accruing	0	0
Consumer Installment [Member] | Purchased Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	28	22
Consumer Installment [Member] | Purchased Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans Past Due	0	0
Consumer Installment [Member] | Purchased 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	$ 16	$ 13