OTHER REAL ESTATE OWNED (Details) (USD $)	3 Months Ended				9 Months Ended				12 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012		Dec. 31, 2012
Mortgage Loans on Real Estate [Line Items]
Balance at beginning of period					$ 103,248,000	[1]	$ 173,805,000		$ 173,805,000
New foreclosed properties					21,397,000		23,938,000		32,389,000
Sales					(42,785,000)		(53,328,000)		(81,220,000)
Writedowns					(5,007,000)		(16,204,000)		(21,726,000)
Balance at end of period	76,853,000		128,211,000		76,853,000		128,211,000		103,248,000	[1]
Other real estate owned by geographical location, segment and class [Abstract]
Total	76,853,000		128,211,000		76,853,000		128,211,000		103,248,000	[1]
Foreclosed property expenses [Abstract]
Total foreclosed property expenses	3,298,000		8,794,000		8,897,000		27,415,000
Realized net losses on dispositions and holding losses on valuations of foreclosed properties	2,100,000		7,000,000		5,300,000		20,400,000
Alabama and Florida Panhandle [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	19,904,000		22,266,000		19,904,000		22,266,000		17,254,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	19,904,000		22,266,000		19,904,000		22,266,000		17,254,000
Arkansas [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	1,919,000	[2]	3,625,000	[2]	1,919,000	[2]	3,625,000	[2]	3,185,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	1,919,000	[2]	3,625,000	[2]	1,919,000	[2]	3,625,000	[2]	3,185,000	[2]
Mississippi [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	15,660,000	[2]	22,719,000	[2]	15,660,000	[2]	22,719,000	[2]	19,916,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	15,660,000	[2]	22,719,000	[2]	15,660,000	[2]	22,719,000	[2]	19,916,000	[2]
Missouri [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	498,000		1,426,000		498,000		1,426,000		1,089,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	498,000		1,426,000		498,000		1,426,000		1,089,000
Greater Memphis Area [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	27,993,000		53,550,000		27,993,000		53,550,000		41,950,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	27,993,000		53,550,000		27,993,000		53,550,000		41,950,000
Tennessee [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	10,040,000	[2]	17,161,000	[2]	10,040,000	[2]	17,161,000	[2]	12,482,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	10,040,000	[2]	17,161,000	[2]	10,040,000	[2]	17,161,000	[2]	12,482,000	[2]
Texas and Louisiana [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	456,000		2,825,000		456,000		2,825,000		3,227,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	456,000		2,825,000		456,000		2,825,000		3,227,000
Other Geographical Areas [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	383,000		4,639,000		383,000		4,639,000		4,145,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	383,000		4,639,000		383,000		4,639,000		4,145,000
Commercial and industrial segment [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	251,000		1,407,000		251,000		1,407,000		501,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	251,000		1,407,000		251,000		1,407,000		501,000
Commercial and industrial segment [Member] | Alabama and Florida Panhandle [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	251,000		411,000		251,000		411,000		395,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	251,000		411,000		251,000		411,000		395,000
Commercial and industrial segment [Member] | Arkansas [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period			94,000	[2]			94,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total			94,000	[2]			94,000	[2]
Commercial and industrial segment [Member] | Mississippi [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period			105,000	[2]			105,000	[2]	106,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total			105,000	[2]			105,000	[2]	106,000	[2]
Commercial and industrial segment [Member] | Greater Memphis Area [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period			797,000				797,000
Other real estate owned by geographical location, segment and class [Abstract]
Total			797,000				797,000
Real estate segment [Member] | Consumer mortgages [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	5,293,000		11,946,000		5,293,000		11,946,000		10,117,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	5,293,000		11,946,000		5,293,000		11,946,000		10,117,000
Real estate segment [Member] | Home equity [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	675,000		216,000		675,000		216,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	675,000		216,000		675,000		216,000
Real estate segment [Member] | Agricultural [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	4,111,000		4,309,000		4,111,000		4,309,000		4,425,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	4,111,000		4,309,000		4,111,000		4,309,000		4,425,000
Real estate segment [Member] | Commercial and industrial-owner occupied [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	1,929,000		2,683,000		1,929,000		2,683,000		4,745,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	1,929,000		2,683,000		1,929,000		2,683,000		4,745,000
Real estate segment [Member] | Construction, acquisition and development [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	61,630,000		93,627,000		61,630,000		93,627,000		78,977,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	61,630,000		93,627,000		61,630,000		93,627,000		78,977,000
Real estate segment [Member] | Commercial real estate [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	2,507,000		12,440,000		2,507,000		12,440,000		3,235,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	2,507,000		12,440,000		2,507,000		12,440,000		3,235,000
Real estate segment [Member] | Alabama and Florida Panhandle [Member] | Consumer mortgages [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	1,886,000		2,621,000		1,886,000		2,621,000		1,714,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	1,886,000		2,621,000		1,886,000		2,621,000		1,714,000
Real estate segment [Member] | Alabama and Florida Panhandle [Member] | Home equity [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	442,000				442,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	442,000				442,000
Real estate segment [Member] | Alabama and Florida Panhandle [Member] | Agricultural [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	907,000		876,000		907,000		876,000		856,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	907,000		876,000		907,000		876,000		856,000
Real estate segment [Member] | Alabama and Florida Panhandle [Member] | Commercial and industrial-owner occupied [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	246,000		533,000		246,000		533,000		155,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	246,000		533,000		246,000		533,000		155,000
Real estate segment [Member] | Alabama and Florida Panhandle [Member] | Construction, acquisition and development [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	15,820,000		16,953,000		15,820,000		16,953,000		13,610,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	15,820,000		16,953,000		15,820,000		16,953,000		13,610,000
Real estate segment [Member] | Alabama and Florida Panhandle [Member] | Commercial real estate [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	352,000		826,000		352,000		826,000		478,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	352,000		826,000		352,000		826,000		478,000
Real estate segment [Member] | Arkansas [Member] | Consumer mortgages [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	634,000	[2]	251,000	[2]	634,000	[2]	251,000	[2]	173,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	634,000	[2]	251,000	[2]	634,000	[2]	251,000	[2]	173,000	[2]
Real estate segment [Member] | Arkansas [Member] | Home equity [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	58,000	[2]			58,000	[2]				[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	58,000	[2]			58,000	[2]				[2]
Real estate segment [Member] | Arkansas [Member] | Commercial and industrial-owner occupied [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	112,000	[2]	69,000	[2]	112,000	[2]	69,000	[2]	146,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	112,000	[2]	69,000	[2]	112,000	[2]	69,000	[2]	146,000	[2]
Real estate segment [Member] | Arkansas [Member] | Construction, acquisition and development [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	741,000	[2]	1,647,000	[2]	741,000	[2]	1,647,000	[2]	1,430,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	741,000	[2]	1,647,000	[2]	741,000	[2]	1,647,000	[2]	1,430,000	[2]
Real estate segment [Member] | Arkansas [Member] | Commercial real estate [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	316,000	[2]	1,548,000	[2]	316,000	[2]	1,548,000	[2]	1,420,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	316,000	[2]	1,548,000	[2]	316,000	[2]	1,548,000	[2]	1,420,000	[2]
Real estate segment [Member] | Mississippi [Member] | Consumer mortgages [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	1,876,000	[2]	2,645,000	[2]	1,876,000	[2]	2,645,000	[2]	2,220,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	1,876,000	[2]	2,645,000	[2]	1,876,000	[2]	2,645,000	[2]	2,220,000	[2]
Real estate segment [Member] | Mississippi [Member] | Home equity [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period			216,000	[2]			216,000	[2]		[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total			216,000	[2]			216,000	[2]		[2]
Real estate segment [Member] | Mississippi [Member] | Agricultural [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	216,000	[2]			216,000	[2]			99,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	216,000	[2]			216,000	[2]			99,000	[2]
Real estate segment [Member] | Mississippi [Member] | Commercial and industrial-owner occupied [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	1,118,000	[2]	1,510,000	[2]	1,118,000	[2]	1,510,000	[2]	1,602,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	1,118,000	[2]	1,510,000	[2]	1,118,000	[2]	1,510,000	[2]	1,602,000	[2]
Real estate segment [Member] | Mississippi [Member] | Construction, acquisition and development [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	11,749,000	[2]	15,800,000	[2]	11,749,000	[2]	15,800,000	[2]	15,659,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	11,749,000	[2]	15,800,000	[2]	11,749,000	[2]	15,800,000	[2]	15,659,000	[2]
Real estate segment [Member] | Mississippi [Member] | Commercial real estate [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	569,000	[2]	2,219,000	[2]	569,000	[2]	2,219,000	[2]	3,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	569,000	[2]	2,219,000	[2]	569,000	[2]	2,219,000	[2]	3,000	[2]
Real estate segment [Member] | Missouri [Member] | Consumer mortgages [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period			71,000				71,000
Other real estate owned by geographical location, segment and class [Abstract]
Total			71,000				71,000
Real estate segment [Member] | Missouri [Member] | Home equity [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period
Other real estate owned by geographical location, segment and class [Abstract]
Total
Real estate segment [Member] | Missouri [Member] | Construction, acquisition and development [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	400,000		880,000		400,000		880,000		734,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	400,000		880,000		400,000		880,000		734,000
Real estate segment [Member] | Missouri [Member] | Commercial real estate [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period			362,000				362,000		263,000
Other real estate owned by geographical location, segment and class [Abstract]
Total			362,000				362,000		263,000
Real estate segment [Member] | Greater Memphis Area [Member] | Consumer mortgages [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	543,000		1,350,000		543,000		1,350,000		961,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	543,000		1,350,000		543,000		1,350,000		961,000
Real estate segment [Member] | Greater Memphis Area [Member] | Home equity [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period
Other real estate owned by geographical location, segment and class [Abstract]
Total
Real estate segment [Member] | Greater Memphis Area [Member] | Agricultural [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	1,153,000		1,130,000		1,153,000		1,130,000		1,089,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	1,153,000		1,130,000		1,153,000		1,130,000		1,089,000
Real estate segment [Member] | Greater Memphis Area [Member] | Commercial and industrial-owner occupied [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	348,000		375,000		348,000		375,000		2,630,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	348,000		375,000		348,000		375,000		2,630,000
Real estate segment [Member] | Greater Memphis Area [Member] | Construction, acquisition and development [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	24,941,000		41,732,000		24,941,000		41,732,000		35,717,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	24,941,000		41,732,000		24,941,000		41,732,000		35,717,000
Real estate segment [Member] | Greater Memphis Area [Member] | Commercial real estate [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	980,000		7,014,000		980,000		7,014,000		819,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	980,000		7,014,000		980,000		7,014,000		819,000
Real estate segment [Member] | Tennessee [Member] | Consumer mortgages [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	186,000	[2]	634,000	[2]	186,000	[2]	634,000	[2]	624,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	186,000	[2]	634,000	[2]	186,000	[2]	634,000	[2]	624,000	[2]
Real estate segment [Member] | Tennessee [Member] | Home equity [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	175,000	[2]			175,000	[2]				[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	175,000	[2]			175,000	[2]				[2]
Real estate segment [Member] | Tennessee [Member] | Agricultural [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	1,835,000	[2]	2,303,000	[2]	1,835,000	[2]	2,303,000	[2]	2,169,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	1,835,000	[2]	2,303,000	[2]	1,835,000	[2]	2,303,000	[2]	2,169,000	[2]
Real estate segment [Member] | Tennessee [Member] | Commercial and industrial-owner occupied [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period			50,000	[2]			50,000	[2]	66,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total			50,000	[2]			50,000	[2]	66,000	[2]
Real estate segment [Member] | Tennessee [Member] | Construction, acquisition and development [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	7,680,000	[2]	13,929,000	[2]	7,680,000	[2]	13,929,000	[2]	9,535,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	7,680,000	[2]	13,929,000	[2]	7,680,000	[2]	13,929,000	[2]	9,535,000	[2]
Real estate segment [Member] | Tennessee [Member] | Commercial real estate [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	150,000	[2]	245,000	[2]	150,000	[2]	245,000	[2]	76,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	150,000	[2]	245,000	[2]	150,000	[2]	245,000	[2]	76,000	[2]
Real estate segment [Member] | Texas and Louisiana [Member] | Consumer mortgages [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	60,000		290,000		60,000		290,000		760,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	60,000		290,000		60,000		290,000		760,000
Real estate segment [Member] | Texas and Louisiana [Member] | Home equity [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period
Other real estate owned by geographical location, segment and class [Abstract]
Total
Real estate segment [Member] | Texas and Louisiana [Member] | Agricultural [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period									212,000
Other real estate owned by geographical location, segment and class [Abstract]
Total									212,000
Real estate segment [Member] | Texas and Louisiana [Member] | Commercial and industrial-owner occupied [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	105,000		146,000		105,000		146,000		146,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	105,000		146,000		105,000		146,000		146,000
Real estate segment [Member] | Texas and Louisiana [Member] | Construction, acquisition and development [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	57,000		2,163,000		57,000		2,163,000		1,844,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	57,000		2,163,000		57,000		2,163,000		1,844,000
Real estate segment [Member] | Texas and Louisiana [Member] | Commercial real estate [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	140,000		226,000		140,000		226,000		176,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	140,000		226,000		140,000		226,000		176,000
Real estate segment [Member] | Other Geographical Areas [Member] | Consumer mortgages [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	108,000		4,084,000		108,000		4,084,000		3,665,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	108,000		4,084,000		108,000		4,084,000		3,665,000
Real estate segment [Member] | Other Geographical Areas [Member] | Home equity [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period
Other real estate owned by geographical location, segment and class [Abstract]
Total
Real estate segment [Member] | Other Geographical Areas [Member] | Construction, acquisition and development [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	242,000		523,000		242,000		523,000		448,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	242,000		523,000		242,000		523,000		448,000
All other [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	457,000		1,583,000		457,000		1,583,000		1,248,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	457,000		1,583,000		457,000		1,583,000		1,248,000
All other [Member] | Alabama and Florida Panhandle [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period			46,000				46,000		46,000
Other real estate owned by geographical location, segment and class [Abstract]
Total			46,000				46,000		46,000
All other [Member] | Arkansas [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	58,000	[2]	16,000	[2]	58,000	[2]	16,000	[2]	16,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	58,000	[2]	16,000	[2]	58,000	[2]	16,000	[2]	16,000	[2]
All other [Member] | Mississippi [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	132,000	[2]	224,000	[2]	132,000	[2]	224,000	[2]	227,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	132,000	[2]	224,000	[2]	132,000	[2]	224,000	[2]	227,000	[2]
All other [Member] | Missouri [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	98,000		113,000		98,000		113,000		92,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	98,000		113,000		98,000		113,000		92,000
All other [Member] | Greater Memphis Area [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	28,000		1,152,000		28,000		1,152,000		734,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	28,000		1,152,000		28,000		1,152,000		734,000
All other [Member] | Tennessee [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	14,000	[2]			14,000	[2]			12,000	[2]
Other real estate owned by geographical location, segment and class [Abstract]
Total	14,000	[2]			14,000	[2]			12,000	[2]
All other [Member] | Texas and Louisiana [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	94,000				94,000				89,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	94,000				94,000				89,000
All other [Member] | Other Geographical Areas [Member]
Mortgage Loans on Real Estate [Line Items]
Balance at end of period	33,000		32,000		33,000		32,000		32,000
Other real estate owned by geographical location, segment and class [Abstract]
Total	$ 33,000		$ 32,000		$ 33,000		$ 32,000		$ 32,000

[1] Derived from audited financial statements.See accompanying notes to consolidated financial statements.

[2] Excludes the Greater Memphis Area.