OTHER REAL ESTATE OWNED (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			$ 33,984	$ 69,338	$ 69,338
New foreclosed properties			5,867	12,475	14,732
Sales			(12,422)	(33,465)	(42,013)
Writedowns			(3,733)	(5,657)	(8,073)
Balance at end of period	$ 23,696	$ 42,691	23,696	42,691	33,984
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	23,696	42,691	33,984	69,338	69,338
Total foreclosed property expenses	808	5,721	4,404	12,478
Realized net losses on dispositions and holding losses on valuations of foreclosed properties	321	4,900	3,000	10,500
Alabama and Florida Panhandle [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			8,719
Balance at end of period	4,417	10,007	4,417	10,007	8,719
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	4,417	10,007	8,719	10,007	8,719
Arkansas [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			437
Balance at end of period	308	468	308	468	437
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	308	468	437	468	437
Louisiana [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			610
Balance at end of period	183	165	183	165	610
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	183	165	610	165	610
Mississippi [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			20,452
Balance at end of period	15,835	26,962	15,835	26,962	20,452
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	15,835	26,962	20,452	26,962	20,452
Missouri [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at end of period	127	37	127	37
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	127	37	127	37
Tennessee [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			3,548
Balance at end of period	2,699	4,988	2,699	4,988	3,548
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	2,699	4,988	3,548	4,988	3,548
Texas [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			218
Balance at end of period	127	64	127	64	218
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	127	64	218	64	218
Commercial And Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			84
Balance at end of period	84	84	84	84	84
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	84	84	84	84	84
Commercial And Industrial [Member] | Alabama and Florida Panhandle [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			84
Balance at end of period	84	84	84	84	84
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	84	84	84	84	84
Consumer Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			2,294
Balance at end of period	2,606	2,885	2,606	2,885	2,294
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	2,606	2,885	2,294	2,885	2,294
Consumer Mortgages [Member] | Alabama and Florida Panhandle [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			309
Balance at end of period	214	809	214	809	309
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	214	809	309	809	309
Consumer Mortgages [Member] | Arkansas [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			97
Balance at end of period	116	97	116	97	97
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	116	97	97	97	97
Consumer Mortgages [Member] | Louisiana [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			470
Balance at end of period	53	25	53	25	470
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	53	25	470	25	470
Consumer Mortgages [Member] | Mississippi [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			1,181
Balance at end of period	2,039	1,777	2,039	1,777	1,181
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	2,039	1,777	1,181	1,777	1,181
Consumer Mortgages [Member] | Tennessee [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			198
Balance at end of period	180	173	180	173	198
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	180	173	198	173	198
Consumer Mortgages [Member] | Texas [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			39
Balance at end of period	4	4	4	4	39
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	4	4	39	4	39
Home Equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			212
Balance at end of period	101	188	101	188	212
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	101	188	212	188	212
Home Equity [Member] | Alabama and Florida Panhandle [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			24
Balance at end of period					24
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total			$ 24		$ 24
Home Equity [Member] | Arkansas [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period
Balance at end of period
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total
Home Equity [Member] | Louisiana [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period
Balance at end of period
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total
Home Equity [Member] | Mississippi [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			$ 188
Balance at end of period	101	188	101	188	$ 188
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	101	188	$ 188	188	$ 188
Home Equity [Member] | Missouri [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period
Balance at end of period
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total
Home Equity [Member] | Tennessee [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period
Balance at end of period
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total
Home Equity [Member] | Texas [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period
Balance at end of period
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total
Home Equity [Member] | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period
Balance at end of period
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total
Agricultural [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			$ 25
Balance at end of period	25	678	25	678	$ 25
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	25	678	25	678	25
Agricultural [Member] | Mississippi [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			25
Balance at end of period	25	216	25	216	25
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	25	216	25	216	25
Agricultural [Member] | Tennessee [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at end of period		462		462
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total		462		462
Commercial And Industrial - Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			1,445
Balance at end of period	1,306	3,355	1,306	3,355	1,445
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	1,306	3,355	1,445	3,355	1,445
Commercial And Industrial - Owner Occupied [Member] | Alabama and Florida Panhandle [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at end of period	260		260
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	260		260
Commercial And Industrial - Owner Occupied [Member] | Mississippi [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			1,162
Balance at end of period	601	2,679	601	2,679	1,162
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	601	2,679	1,162	2,679	1,162
Commercial And Industrial - Owner Occupied [Member] | Tennessee [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			223
Balance at end of period	385	616	385	616	223
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	385	616	223	616	223
Commercial And Industrial - Owner Occupied [Member] | Texas [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			60
Balance at end of period	60	60	60	60	60
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	60	60	60	60	60
Construction, Acquisition And Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			27,740
Balance at end of period	18,730	33,508	18,730	33,508	27,740
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	18,730	33,508	27,740	33,508	27,740
Construction, Acquisition And Development [Member] | Alabama and Florida Panhandle [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			7,302
Balance at end of period	3,689	8,318	3,689	8,318	7,302
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	3,689	8,318	7,302	8,318	7,302
Construction, Acquisition And Development [Member] | Arkansas [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			84
Balance at end of period	84	83	84	83	84
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	84	83	84	83	84
Construction, Acquisition And Development [Member] | Louisiana [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			140
Balance at end of period	130	140	130	140	140
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	130	140	140	140	140
Construction, Acquisition And Development [Member] | Mississippi [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			17,152
Balance at end of period	12,693	21,193	12,693	21,193	17,152
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	12,693	21,193	17,152	21,193	17,152
Construction, Acquisition And Development [Member] | Missouri [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at end of period		37		37
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total		37		37
Construction, Acquisition And Development [Member] | Tennessee [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			3,006
Balance at end of period	2,134	3,737	2,134	3,737	3,006
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	2,134	3,737	3,006	3,737	3,006
Construction, Acquisition And Development [Member] | Texas [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			56
Balance at end of period					56
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total			56		56
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			2,086
Balance at end of period	746	1,851	746	1,851	2,086
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	746	1,851	2,086	1,851	2,086
Commercial Real Estate [Member] | Alabama and Florida Panhandle [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			1,000
Balance at end of period	170	796	170	796	1,000
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	170	796	1,000	796	1,000
Commercial Real Estate [Member] | Arkansas [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			256
Balance at end of period	108	288	108	288	256
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	108	288	256	288	256
Commercial Real Estate [Member] | Mississippi [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			646
Balance at end of period	278	767	278	767	646
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	278	767	646	767	646
Commercial Real Estate [Member] | Missouri [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at end of period	127		127
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	127		127
Commercial Real Estate [Member] | Tennessee [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			121
Balance at end of period					121
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total			121		121
Commercial Real Estate [Member] | Texas [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			63
Balance at end of period	63		63		63
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	63		63		63
All Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			98
Balance at end of period	98	142	98	142	98
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	98	142	98	142	98
All Other [Member] | Mississippi [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at beginning of period			98
Balance at end of period	98	142	98	142	98
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Total	$ 98	$ 142	$ 98	$ 142	$ 98