LOANS (Details 19) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015	Sep. 30, 2016		Dec. 31, 2015		Sep. 30, 2015
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Allowance	$ 21,734	$ 21,658	$ 21,062	$ 21,157	$ 21,157
Provision for loan losses	811	986	2,381	4,711	5,264
Loans charged off	(1,451)	(1,267)	(4,641)	(6,459)	(9,133)
Recoveries of loans previously charged off	1,869	1,094	4,161	3,062	3,774
Balance, Allowance	22,963	22,471	22,963	22,471	21,062
Loans individually evaluated for impairment, Allowance						$ 5,670	[1]	$ 4,131	[2]	$ 4,699	[3]
Loans collectively evaluated for impairment, Allowance						17,293		16,931		17,772
Balance, Allowance	21,734	21,658	22,963	21,157	21,062	22,963		21,062		22,471
Individually evaluated for impairment, Loan						59,839	[1]	68,701	[2]	24,827	[3]
Collectively evaluated for impairment, Loan						4,630,320		3,697,437		3,428,482
Acquired with deteriorated credit quality, Loan						155,147		142,785		205,927
Ending balance, Loan						1,067,090		771,554		767,494
Commercial Financial And Agricultural [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Allowance	1,667	1,426	1,144	2,004	2,004
Provision for loan losses	677	110	1,987	(66)	(73)
Loans charged off	(326)	(135)	(1,273)	(937)	(1,438)
Recoveries of loans previously charged off	119	117	279	517	651
Balance, Allowance	2,137	1,518	2,137	1,518	1,144
Loans individually evaluated for impairment, Allowance						107	[1]	126	[2]	521	[3]
Loans collectively evaluated for impairment, Allowance						2,030		1,018		997
Balance, Allowance	1,667	1,426	2,137	2,004	1,144	2,137		1,144		1,518
Individually evaluated for impairment, Loan						424	[1]	323	[2]	1,286	[3]
Collectively evaluated for impairment, Loan						625,523		449,300		426,461
Acquired with deteriorated credit quality, Loan						0		0		0
Ending balance, Loan						625,947		449,623		427,747
Real Estate Construction And Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Allowance	3,599	5,365	5,009	5,030	5,030
Provision for loan losses	(521)	643	(2,010)	1,030	278
Loans charged off	(60)	(105)	(324)	(465)	(622)
Recoveries of loans previously charged off	131	6	474	314	323
Balance, Allowance	3,149	5,909	3,149	5,909	5,009
Loans individually evaluated for impairment, Allowance						529	[1]	759	[2]	708	[3]
Loans collectively evaluated for impairment, Allowance						2,620		4,250		5,201
Balance, Allowance	3,599	5,365	3,149	5,030	5,009	3,149		5,009		5,909
Individually evaluated for impairment, Loan						1,154	[1]	1,958	[2]	1,820	[3]
Collectively evaluated for impairment, Loan						327,154		242,735		218,978
Acquired with deteriorated credit quality, Loan						0		0		0
Ending balance, Loan						328,308		244,693		220,798
Real estate - commercial & farmland [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Allowance	7,459	8,381	7,994	8,823	8,823
Provision for loan losses	(554)	43	(559)	743	1,221
Loans charged off	0	(184)	(708)	(1,358)	(2,367)
Recoveries of loans previously charged off	13	272	191	304	317
Balance, Allowance	6,918	8,512	6,918	8,512	7,994
Loans individually evaluated for impairment, Allowance						883	[1]	1,074	[2]	1,622	[3]
Loans collectively evaluated for impairment, Allowance						6,035		6,920		6,890
Balance, Allowance	7,459	8,381	6,918	8,823	7,994	6,918		7,994		8,512
Individually evaluated for impairment, Loan						11,699	[1]	11,877	[2]	13,306	[3]
Collectively evaluated for impairment, Loan						1,285,883		1,093,114		1,054,522
Acquired with deteriorated credit quality, Loan						0		0		0
Ending balance, Loan						1,297,582		1,104,991		1,067,828
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Allowance	4,263	4,805	4,760	4,129	4,129
Provision for loan losses	2,649	1,238	2,415	2,562	2,067
Loans charged off	(292)	(234)	(883)	(966)	(1,587)
Recoveries of loans previously charged off	40	54	368	138	151
Balance, Allowance	6,660	5,863	6,660	5,863	4,760
Loans individually evaluated for impairment, Allowance						2,629	[1]	2,172	[2]	1,848	[3]
Loans collectively evaluated for impairment, Allowance						4,031		2,588		4,015
Balance, Allowance	4,263	4,805	6,660	4,129	4,760	6,660		4,760		5,863
Individually evaluated for impairment, Loan						11,571	[1]	9,554	[2]	8,415	[3]
Collectively evaluated for impairment, Loan						755,362		560,876		523,870
Acquired with deteriorated credit quality, Loan						0		0		0
Ending balance, Loan						766,933		570,430		532,285
Consumer installment loans and Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Allowance	2,160	1,681	1,574	1,171	1,171
Provision for loan losses	(1,595)	(1,386)	(932)	(721)	676
Loans charged off	(74)	(61)	(192)	(300)	(410)
Recoveries of loans previously charged off	78	33	119	117	137
Balance, Allowance	569	267	569	267	1,574
Loans individually evaluated for impairment, Allowance						0	[1]	0	[2]	0	[3]
Loans collectively evaluated for impairment, Allowance						569		1,574		267
Balance, Allowance	2,160	1,681	569	1,171	1,574	569		1,574		267
Individually evaluated for impairment, Loan						0	[1]	0	[2]	0	[3]
Collectively evaluated for impairment, Loan						72,269		37,140		41,991
Acquired with deteriorated credit quality, Loan						0		0		0
Ending balance, Loan						72,269		37,140		41,991
Covered Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Allowance	530	0	0	0	0
Provision for loan losses	(1,092)	(193)	(794)	944	751
Loans charged off	(291)	(246)	(435)	(1,661)	(1,759)
Recoveries of loans previously charged off	1,089	439	1,465	717	1,008
Balance, Allowance	236	0	236	0	0
Loans individually evaluated for impairment, Allowance						236	[1]	0	[2]	0	[3]
Loans collectively evaluated for impairment, Allowance						0		0		0
Balance, Allowance	530	0	236	0	0	236		0		0
Individually evaluated for impairment, Loan						12,818	[1]	22,317	[2]	0	[3]
Collectively evaluated for impairment, Loan						27,953		52,451		83,974
Acquired with deteriorated credit quality, Loan						21,520		62,761		107,047
Ending balance, Loan						62,291		137,529		191,021
Purchased Non Covered Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Allowance	2,056	0	581	0	0
Provision for loan losses	1,247	531	2,274	219	344
Loans charged off	(408)	(302)	(826)	(772)	(950)
Recoveries of loans previously charged off	399	173	1,265	955	1,187
Balance, Allowance	3,294	402	3,294	402	581
Loans individually evaluated for impairment, Allowance						1,286	[1]	0	[2]	0	[3]
Loans collectively evaluated for impairment, Allowance						2,008		581		402
Balance, Allowance	$ 2,056	$ 0	$ 3,294	$ 0	$ 581	3,294		581		402
Individually evaluated for impairment, Loan						22,173	[1]	22,672	[2]	0	[3]
Collectively evaluated for impairment, Loan						1,536,176		1,261,821		1,078,686
Acquired with deteriorated credit quality, Loan						133,627		80,024		98,880
Ending balance, Loan						$ 1,691,976		$ 1,364,517		$ 1,177,566

[1] At September 30, 2016, loans individually evaluated for impairment includes all nonaccrual loans greater than $100,000 and all troubled debt restructurings greater than $100,000, including all troubled debt restructurings and not only those currently classified as troubled debt restructurings.

[2] At December 31, 2015, loans individually evaluated for impairment includes all nonaccrual loans greater than $200,000 and all troubled debt restructurings greater than $100,000, including all troubled debt restructurings and not only those currently classified as troubled debt restructurings.

[3] At September 30, 2015, loans individually evaluated for impairment includes all nonaccrual loans greater than $200,000 and all troubled debt restructurings greater than $100,000, including all troubled debt restructurings and not only those currently classified as troubled debt restructurings.