ASSETS ACQUIRED IN FDIC-ASSISTED ACQUISITIONS (Details 1) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015	Dec. 31, 2014
Covered Assets [Line Items]
Covered loans	$ 129,649	$ 226,440	$ 148,573
Less: Fair value adjustments	8,231	16,842	11,044
Total covered loans	121,418	209,598	137,529
OREO	2,948	14,857	5,938
Less: Fair value adjustments	206	2,231	927
Total covered OREO	2,742	12,626	5,011
Total covered assets	124,160	222,224	142,540
FDIC loss-share receivable (payable)	0	14,957	6,301	$ 31,351
American United Bank [Member]
Covered Assets [Line Items]
Covered loans	0	0	0
Less: Fair value adjustments	0	0	0
Total covered loans	0	0	0
OREO	0	0	0
Less: Fair value adjustments	0	0	0
Total covered OREO	0	0	0
Total covered assets	0	0	0
FDIC loss-share receivable (payable)	5	187	111
United Security Bank [Member]
Covered Assets [Line Items]
Covered loans	3,423	3,883	3,639
Less: Fair value adjustments	14	18	16
Total covered loans	3,409	3,865	3,623
OREO	0	165	165
Less: Fair value adjustments	0	0	0
Total covered OREO	0	165	165
Total covered assets	3,409	4,030	3,788
FDIC loss-share receivable (payable)	(1,791)	(1,232)	(1,424)
Satilla Community Bank [Member]
Covered Assets [Line Items]
Covered loans	4,774	5,318	5,228
Less: Fair value adjustments	70	209	124
Total covered loans	4,704	5,109	5,104
OREO	440	95	0
Less: Fair value adjustments	0	0	0
Total covered OREO	440	95	0
Total covered assets	5,144	5,204	5,104
FDIC loss-share receivable (payable)	55	1,300	149
First Bank of Jacksonville [Member]
Covered Assets [Line Items]
Covered loans	4,127	17,708	4,782
Less: Fair value adjustments	507	1,286	562
Total covered loans	3,620	16,422	4,220
OREO	31	815	41
Less: Fair value adjustments	0	121	0
Total covered OREO	31	694	41
Total covered assets	3,651	17,116	4,261
FDIC loss-share receivable (payable)	(80)	1,227	252
Darby Bank and Trust [Member]
Covered Assets [Line Items]
Covered loans	13,705	46,269	15,934
Less: Fair value adjustments	835	3,667	1,131
Total covered loans	12,870	42,602	14,803
OREO	14	5,216	0
Less: Fair value adjustments	0	700	0
Total covered OREO	14	4,516	0
Total covered assets	12,884	47,118	14,803
FDIC loss-share receivable (payable)	(3,823)	2,126	(1,084)
Tifton Banking Company [Member]
Covered Assets [Line Items]
Covered loans	1,956	19,609	2,159
Less: Fair value adjustments	8	515	11
Total covered loans	1,948	19,094	2,148
OREO	0	1,480	0
Less: Fair value adjustments	0	116	0
Total covered OREO	0	1,364	0
Total covered assets	1,948	20,458	2,148
FDIC loss-share receivable (payable)	132	521	1,446
High Trust Bank [Member]
Covered Assets [Line Items]
Covered loans	42,092	47,176	44,405
Less: Fair value adjustments	3,550	4,127	3,881
Total covered loans	38,542	43,049	40,524
OREO	586	3,085	2,433
Less: Fair value adjustments	180	955	643
Total covered OREO	406	2,130	1,790
Total covered assets	38,948	45,179	42,314
FDIC loss-share receivable (payable)	1,789	4,806	3,875
One Georgia Bank [Member]
Covered Assets [Line Items]
Covered loans	18,663	34,218	27,561
Less: Fair value adjustments	667	2,192	1,900
Total covered loans	17,996	32,026	25,661
OREO	136	442	160
Less: Fair value adjustments	0	0	0
Total covered OREO	136	442	160
Total covered assets	18,132	32,468	25,821
FDIC loss-share receivable (payable)	306	1,856	913
Central Bank of Georgia [Member]
Covered Assets [Line Items]
Covered loans	40,909	52,259	44,865
Less: Fair value adjustments	2,580	4,828	3,419
Total covered loans	38,329	47,431	41,446
OREO	1,741	3,559	3,139
Less: Fair value adjustments	26	339	284
Total covered OREO	1,715	3,220	2,855
Total covered assets	40,044	50,651	44,301
FDIC loss-share receivable (payable)	$ 1,510	$ 4,166	$ 2,063