LOANS AND ALLOWANCE FOR LOAN LOSSES (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Loans disclosures
Total loans	$ 2,589,792	$ 2,650,197
Less: Allowance for loan losses	23,026	23,729	24,063	23,079
Loans, net	2,566,766	2,626,468
Tennessee Commerce Bank ("TCB")
Loans disclosures
Total loans	28,765	30,964
First Commercial Bank ("FCB")
Loans disclosures
Total loans	67,697	107,652
TCB and FCB acquisitions
Loans disclosures
Total loans	96,462	138,616
Residential Real Estate | Tennessee Commerce Bank ("TCB")
Loans disclosures
Total loans	10,191	12,270
Residential Real Estate | First Commercial Bank ("FCB")
Loans disclosures
Total loans	19,554	32,459
Residential Real Estate | TCB and FCB acquisitions
Loans disclosures
Total loans	29,745	44,729
Residential Real Estate - Owner Occupied
Loans disclosures
Total loans	1,097,795	1,145,495
Less: Allowance for loan losses	7,816	7,006	5,212
Residential Real Estate - Non Owner Occupied
Loans disclosures
Total loans	110,809	74,539
Less: Allowance for loan losses	1,023	1,049	1,142
Commercial real estate
Loans disclosures
Total loans	773,173	714,642
Less: Allowance for loan losses	8,309	8,843	7,724
Commercial real estate | Tennessee Commerce Bank ("TCB")
Loans disclosures
Total loans	13,398	8,015
Commercial real estate | First Commercial Bank ("FCB")
Loans disclosures
Total loans	43,167	61,758
Commercial real estate | TCB and FCB acquisitions
Loans disclosures
Total loans	56,565	69,773
Commercial real estate - purchased whole loans
Loans disclosures
Total loans	34,186	33,531
Less: Allowance for loan losses	34	34
Construction & Land Development
Loans disclosures
Total loans	44,351	68,214
Less: Allowance for loan losses	1,296	2,769	3,042
Construction & Land Development | Tennessee Commerce Bank ("TCB")
Loans disclosures
Total loans	295	4,235
Construction & Land Development | First Commercial Bank ("FCB")
Loans disclosures
Total loans	1,614	3,301
Construction & Land Development | TCB and FCB acquisitions
Loans disclosures
Total loans	1,909	7,536
Commercial & Industrial
Loans disclosures
Total loans	127,763	130,681
Less: Allowance for loan losses	1,089	580	1,025
Commercial & Industrial | Tennessee Commerce Bank ("TCB")
Loans disclosures
Total loans	329	1,284
Commercial & Industrial | First Commercial Bank ("FCB")
Loans disclosures
Total loans	2,867	9,405
Commercial & Industrial | TCB and FCB acquisitions
Loans disclosures
Total loans	3,196	10,689
Warehouse lines of credit
Loans disclosures
Total loans	149,576	216,576
Less: Allowance for loan losses	449	541	104
Home equity
Loans disclosures
Total loans	226,782	241,607
Less: Allowance for loan losses	2,396	2,348	2,984
Home equity | Tennessee Commerce Bank ("TCB")
Loans disclosures
Total loans	4,270	4,183
Home equity | First Commercial Bank ("FCB")
Loans disclosures
Total loans	366	385
Home equity | TCB and FCB acquisitions
Loans disclosures
Total loans	4,636	4,568
Consumer: Credit cards
Loans disclosures
Total loans	9,030	8,716
Less: Allowance for loan losses	289	210	503
Consumer: Credit cards | Tennessee Commerce Bank ("TCB")
Loans disclosures
Total loans	205	321
Consumer: Credit cards | TCB and FCB acquisitions
Loans disclosures
Total loans	205	321
Consumer: Overdrafts
Loans disclosures
Total loans	944	955
Less: Allowance for loan losses	199	198	135
Consumer: Overdrafts | Tennessee Commerce Bank ("TCB")
Loans disclosures
Total loans	4	1
Consumer: Overdrafts | First Commercial Bank ("FCB")
Loans disclosures
Total loans		11
Consumer: Overdrafts | TCB and FCB acquisitions
Loans disclosures
Total loans	4	12
Consumer: Other consumer
Loans disclosures
Total loans	15,383	15,241
Less: Allowance for loan losses	126	151	227
Consumer: Other consumer | Tennessee Commerce Bank ("TCB")
Loans disclosures
Total loans	73	655
Consumer: Other consumer | First Commercial Bank ("FCB")
Loans disclosures
Total loans	129	333
Consumer: Other consumer | TCB and FCB acquisitions
Loans disclosures
Total loans	$ 202	$ 988