LOANS (Details 6) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	$ 36,800		$ 32,000
Total Loans	2,528,007	$ 2,406,877	1,999,420
Covered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	12,873	13,821	31,201
Current Loans	117,406	123,708	214,544
Total Loans	130,279	137,529	245,745
Loans 90 Days or More Past Due and Still Accruing	0	0	0
Covered Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	2,438	2,421	5,277
Covered Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	855	1,206	2,394
Covered Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	9,580	10,194	23,530
Commercial, financial & agricultural [Member] | Covered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	2,832	2,802	2,166
Current Loans	1,907	2,744	18,739
Total Loans	4,739	5,546	20,905
Loans 90 Days or More Past Due and Still Accruing	0	0	0
Commercial, financial & agricultural [Member] | Covered Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	75	0	165
Commercial, financial & agricultural [Member] | Covered Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	0	0	225
Commercial, financial & agricultural [Member] | Covered Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	2,757	2,802	1,776
Real Estate - construction & development [Member] | Covered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	1,558	1,729	6,060
Current Loans	5,647	5,883	13,459
Total Loans	7,205	7,612	19,519
Loans 90 Days or More Past Due and Still Accruing	0	0	0
Real Estate - construction & development [Member] | Covered Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	87	96	455
Real Estate - construction & development [Member] | Covered Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	0	0	0
Real Estate - construction & development [Member] | Covered Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	1,471	1,633	5,605
Commercial And Farmland [Member] | Covered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	3,530	3,439	14,577
Current Loans	63,525	67,787	115,713
Total Loans	67,055	71,226	130,290
Loans 90 Days or More Past Due and Still Accruing	0	0	0
Commercial And Farmland [Member] | Covered Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	744	170	2,364
Commercial And Farmland [Member] | Covered Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	50	205	1,150
Commercial And Farmland [Member] | Covered Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	2,736	3,064	11,063
Residential Real Estate [Member] | Covered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	4,917	5,814	8,310
Current Loans	46,259	47,224	66,536
Total Loans	51,176	53,038	74,847
Loans 90 Days or More Past Due and Still Accruing	0	0	0
Residential Real Estate [Member] | Covered Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	1,532	2,155	2,293
Residential Real Estate [Member] | Covered Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	805	1,001	1,019
Residential Real Estate [Member] | Covered Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	2,580	2,658	4,999
Consumer installment [Member] | Covered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	36	37	87
Current Loans	68	70	97
Total Loans	104	107	184
Loans 90 Days or More Past Due and Still Accruing	0	0	0
Consumer installment [Member] | Covered Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	0	0	0
Consumer installment [Member] | Covered Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	0	0	0
Consumer installment [Member] | Covered Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Past Due	$ 36	$ 37	$ 87