FAIR VALUE DISCLOSURES (Schedule of Items Measured on a Nonrecurring Basis) (Details) - Fair Value, Measurements, Nonrecurring [Member] - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Assets, Fair Value Disclosure [Abstract]
Other real estate, fair value disclosure	$ 11,768	$ 55,666
Total assets, fair value disclosure (nonrecurring)	104,050	181,290
Commercial, financial and agricultural [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	5,066	8,144
Real estate construction and development [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	3,014	3,516
Residential mortgage [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	76,196	82,479
Home equity [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	3,628	5,465
Multi-family residential [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	272	18,574
Commercial real estate [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	4,090	7,424
Consumer and installment [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	16	22
Fair Value, Inputs, Level 1 [Member]
Assets, Fair Value Disclosure [Abstract]
Other real estate, fair value disclosure	0	0
Total assets, fair value disclosure (nonrecurring)	0	0
Fair Value, Inputs, Level 1 [Member] | Commercial, financial and agricultural [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	0	0
Fair Value, Inputs, Level 1 [Member] | Real estate construction and development [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	0	0
Fair Value, Inputs, Level 1 [Member] | Residential mortgage [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	0	0
Fair Value, Inputs, Level 1 [Member] | Home equity [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	0	0
Fair Value, Inputs, Level 1 [Member] | Multi-family residential [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	0	0
Fair Value, Inputs, Level 1 [Member] | Commercial real estate [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	0	0
Fair Value, Inputs, Level 1 [Member] | Consumer and installment [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	0	0
Fair Value, Inputs, Level 2 [Member]
Assets, Fair Value Disclosure [Abstract]
Other real estate, fair value disclosure	0	0
Total assets, fair value disclosure (nonrecurring)	0	0
Fair Value, Inputs, Level 2 [Member] | Commercial, financial and agricultural [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	0	0
Fair Value, Inputs, Level 2 [Member] | Real estate construction and development [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	0	0
Fair Value, Inputs, Level 2 [Member] | Residential mortgage [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	0	0
Fair Value, Inputs, Level 2 [Member] | Home equity [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	0	0
Fair Value, Inputs, Level 2 [Member] | Multi-family residential [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	0	0
Fair Value, Inputs, Level 2 [Member] | Commercial real estate [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	0	0
Fair Value, Inputs, Level 2 [Member] | Consumer and installment [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	0	0
Fair Value, Inputs, Level 3 [Member]
Assets, Fair Value Disclosure [Abstract]
Other real estate, fair value disclosure	11,768	55,666
Total assets, fair value disclosure (nonrecurring)	104,050	181,290
Fair Value, Inputs, Level 3 [Member] | Commercial, financial and agricultural [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	5,066	8,144
Fair Value, Inputs, Level 3 [Member] | Real estate construction and development [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	3,014	3,516
Fair Value, Inputs, Level 3 [Member] | Residential mortgage [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	76,196	82,479
Fair Value, Inputs, Level 3 [Member] | Home equity [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	3,628	5,465
Fair Value, Inputs, Level 3 [Member] | Multi-family residential [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	272	18,574
Fair Value, Inputs, Level 3 [Member] | Commercial real estate [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	4,090	7,424
Fair Value, Inputs, Level 3 [Member] | Consumer and installment [Member]
Assets, Fair Value Disclosure [Abstract]
Impaired loans, net, fair value disclosure	$ 16	$ 22