ASSETS ACQUIRED IN FDIC-ASSISTED ACQUISITIONS (Details 1) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016	Jun. 30, 2016	Dec. 31, 2015
Covered Assets [Line Items]
Covered loans	$ 35,391	$ 61,269
Less: Fair value adjustments	1,694	3,109
Total covered loans	33,697	58,160
OREO	215	1,212
Less: Fair value adjustments	0	4
Total covered OREO	215	1,208
Total covered assets	33,912	59,368
FDIC loss-share receivable				$ 6,301
FDIC loss-share payable	(7,992)	(6,313)	$ (1,897)
American United Bank [Member]
Covered Assets [Line Items]
Covered loans	0	0
Less: Fair value adjustments	0	0
Total covered loans	0	0
OREO	0	0
Less: Fair value adjustments	0	0
Total covered OREO	0	0
Total covered assets	0	0
FDIC loss-share payable	0	(27)
United Security Bank [Member]
Covered Assets [Line Items]
Covered loans	2,933	3,199
Less: Fair value adjustments	12	13
Total covered loans	2,921	3,186
OREO	0	51
Less: Fair value adjustments	0	0
Total covered OREO	0	51
Total covered assets	2,921	3,237
FDIC loss-share payable	(1,726)	(1,642)
Satilla Community Bank [Member]
Covered Assets [Line Items]
Covered loans	3,230	4,019
Less: Fair value adjustments	30	51
Total covered loans	3,200	3,968
OREO	0	0
Less: Fair value adjustments	0	0
Total covered OREO	0	0
Total covered assets	3,200	3,968
FDIC loss-share receivable	69
FDIC loss-share payable		(32)
First Bank of Jacksonville [Member]
Covered Assets [Line Items]
Covered loans	3,682	3,767
Less: Fair value adjustments	414	452
Total covered loans	3,268	3,315
OREO	0	0
Less: Fair value adjustments	0	0
Total covered OREO	0	0
Total covered assets	3,268	3,315
FDIC loss-share payable	(302)	(234)
Darby Bank and Trust [Member]
Covered Assets [Line Items]
Covered loans	10,360	12,166
Less: Fair value adjustments	406	565
Total covered loans	9,954	11,601
OREO	0	0
Less: Fair value adjustments	0	0
Total covered OREO	0	0
Total covered assets	9,954	11,601
FDIC loss-share payable	(4,299)	(4,591)
Tifton Banking Company [Member]
Covered Assets [Line Items]
Covered loans	1,708	1,679
Less: Fair value adjustments	0	0
Total covered loans	1,708	1,679
OREO	0	0
Less: Fair value adjustments	0	0
Total covered OREO	0	0
Total covered assets	1,708	1,679
FDIC loss-share payable	(50)	(33)
High Trust Bank [Member]
Covered Assets [Line Items]
Covered loans	1,885	1,913
Less: Fair value adjustments	28	33
Total covered loans	1,857	1,880
OREO	0	0
Less: Fair value adjustments	0	0
Total covered OREO	0	0
Total covered assets	1,857	1,880
FDIC loss-share receivable		734
FDIC loss-share payable	(59)
One Georgia Bank [Member]
Covered Assets [Line Items]
Covered loans	939	1,077
Less: Fair value adjustments	31	32
Total covered loans	908	1,045
OREO	0	0
Less: Fair value adjustments	0	0
Total covered OREO	0	0
Total covered assets	908	1,045
FDIC loss-share payable	(1,103)	(993)
Central Bank of Georgia [Member]
Covered Assets [Line Items]
Covered loans	10,654	33,449
Less: Fair value adjustments	773	1,963
Total covered loans	9,881	31,486
OREO	215	1,161
Less: Fair value adjustments	0	4
Total covered OREO	215	1,157
Total covered assets	10,096	32,643
FDIC loss-share receivable		$ 505
FDIC loss-share payable	$ (522)