LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 6) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Non-performing loans and non-performing assets disclosures
Loans on non-accrual status	$ 21,922	$ 18,506
Loans past due 90 days or more and still on accrual	2,159	3,173
Total non-performing loans	24,081	21,679
Other real estate owned	15,248	26,203
Total non-performing assets	39,329	47,882
Credit Quality Ratios
Non-performing loans to total loans (as percent)	0.92%	0.82%
Non-performing assets to total loans (including OREO) (as percent)	1.49%	1.79%
Non-performing assets to total assets (as percent)	1.19%	1.41%
TCB and FCB acquisitions
Non-performing loans and non-performing assets disclosures
Loans on non-accrual status	21
Loans past due 90 days or more and still on accrual	2,159	3,173
Total non-performing loans	2,180	3,173
Other real estate owned	6,113	14,498
Total non-performing assets	8,293	17,671
Credit Quality Ratios
Non-performing loans to total loans (as percent)	1.95%	2.29%
Non-performing assets to total loans (including OREO) (as percent)	7.04%	11.54%
Non-performing assets to total assets (as percent)	7.04%	8.73%
Tennessee Commerce Bank ("TCB")
Non-performing loans and non-performing assets disclosures
Loans on non-accrual status	21
Loans past due 90 days or more and still on accrual	250	801
Total non-performing loans	271	801
Other real estate owned	590	2,100
Total non-performing assets	861	2,901
First Commercial Bank ("FCB")
Non-performing loans and non-performing assets disclosures
Loans past due 90 days or more and still on accrual	1,909	2,372
Total non-performing loans	1,909	2,372
Other real estate owned	5,523	12,398
Total non-performing assets	$ 7,432	$ 14,770