LOANS (Details 17) $ in Thousands	Sep. 30, 2016 USD ($) Contract	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($) Contract
Excluding Purchased Non-Covered and Covered Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	27		49
Troubled debt restructuring loans	$ 14,013	$ 14,418	$ 12,075
Excluding Purchased Non-Covered and Covered Loans [Member] | Financing Receivables, 30 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	15		38
Troubled debt restructuring loans	$ 793		$ 2,568
Covered Loans [Member]
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring loans	$ 13,900	15,500	$ 20,500
Covered Loans [Member] | Financing Receivables, 30 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	13		12
Troubled debt restructuring loans	$ 516		$ 1,265
Purchased Non Covered Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	4		20
Troubled debt restructuring loans	$ 9,294	9,373	$ 7,188
Purchased Non Covered Loans [Member] | Financing Receivables, 30 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	2		2
Troubled debt restructuring loans	$ 217		$ 618
Commercial Financial And Agricultural [Member] | Excluding Purchased Non-Covered and Covered Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	5		4
Troubled debt restructuring loans	$ 59		$ 26
Commercial Financial And Agricultural [Member] | Excluding Purchased Non-Covered and Covered Loans [Member] | Financing Receivables, 30 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	5		4
Troubled debt restructuring loans	$ 51		$ 18
Commercial Financial And Agricultural [Member] | Covered Loans [Member] | Financing Receivables, 30 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	2		0
Troubled debt restructuring loans	$ 76		$ 0
Commercial Financial And Agricultural [Member] | Purchased Non Covered Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	1		1
Troubled debt restructuring loans	$ 76	$ 21	$ 1
Commercial Financial And Agricultural [Member] | Purchased Non Covered Loans [Member] | Financing Receivables, 30 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	0		0
Troubled debt restructuring loans	$ 0		$ 0
Real Estate Construction And Development [Member] | Excluding Purchased Non-Covered and Covered Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	2		2
Troubled debt restructuring loans	$ 251		$ 15
Real Estate Construction And Development [Member] | Excluding Purchased Non-Covered and Covered Loans [Member] | Financing Receivables, 30 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	0		2
Troubled debt restructuring loans	$ 0		$ 34
Real Estate Construction And Development [Member] | Covered Loans [Member] | Financing Receivables, 30 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	0		0
Troubled debt restructuring loans	$ 0		$ 0
Real Estate Construction And Development [Member] | Purchased Non Covered Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	0		2
Troubled debt restructuring loans	$ 0		$ 312
Real Estate Construction And Development [Member] | Purchased Non Covered Loans [Member] | Financing Receivables, 30 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	1		0
Troubled debt restructuring loans	$ 10		$ 0
Commercial And Farmland [Member] | Excluding Purchased Non-Covered and Covered Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	4		2
Troubled debt restructuring loans	$ 1,658		$ 2,125
Commercial And Farmland [Member] | Excluding Purchased Non-Covered and Covered Loans [Member] | Financing Receivables, 30 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	5		5
Troubled debt restructuring loans	$ 517		$ 1,011
Commercial And Farmland [Member] | Covered Loans [Member] | Financing Receivables, 30 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	0		3
Troubled debt restructuring loans	$ 0		$ 177
Commercial And Farmland [Member] | Purchased Non Covered Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	1		5
Troubled debt restructuring loans	$ 473		$ 1,492
Commercial And Farmland [Member] | Purchased Non Covered Loans [Member] | Financing Receivables, 30 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	1		0
Troubled debt restructuring loans	$ 207		$ 0
Residential Real Estate [Member] | Excluding Purchased Non-Covered and Covered Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	7		28
Troubled debt restructuring loans	$ 887		$ 2,089
Residential Real Estate [Member] | Excluding Purchased Non-Covered and Covered Loans [Member] | Financing Receivables, 30 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	3		18
Troubled debt restructuring loans	$ 219		$ 1,473
Residential Real Estate [Member] | Covered Loans [Member] | Financing Receivables, 30 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	11		9
Troubled debt restructuring loans	$ 440		$ 1,088
Residential Real Estate [Member] | Purchased Non Covered Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	2		12
Troubled debt restructuring loans	$ 54		$ 679
Residential Real Estate [Member] | Purchased Non Covered Loans [Member] | Financing Receivables, 30 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	0		2
Troubled debt restructuring loans	$ 0		$ 618
Consumer installment [Member] | Excluding Purchased Non-Covered and Covered Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	9		13
Troubled debt restructuring loans	$ 44		$ 47
Consumer installment [Member] | Excluding Purchased Non-Covered and Covered Loans [Member] | Financing Receivables, 30 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	2		9
Troubled debt restructuring loans	$ 6		$ 32
Consumer installment [Member] | Covered Loans [Member] | Financing Receivables, 30 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	0		0
Troubled debt restructuring loans	$ 0		$ 0
Consumer installment [Member] | Purchased Non Covered Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	0		0
Troubled debt restructuring loans	$ 0		$ 0
Consumer installment [Member] | Purchased Non Covered Loans [Member] | Financing Receivables, 30 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts | Contract	0		0
Troubled debt restructuring loans	$ 0		$ 0