23. FAIR VALUES - Summary of Assets And Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Level 1
Other real estate owned
Impaired Loans
Level 2
Other real estate owned
Impaired Loans	$ 101,642	$ 100,069
Level 3
Other real estate owned	12,398	15,049
Impaired Loans	$ 28,739	$ 35,498
Recurring Basis | Level 1 | U.S. Government Agencies
Available for sale investments
Recurring Basis | Level 1 | Taxable Municipals
Available for sale investments
Recurring Basis | Level 1 | Corporate Bonds
Available for sale investments
Recurring Basis | Level 1 | Mortgage Backed Securities
Available for sale investments
Recurring Basis | Level 2 | U.S. Government Agencies
Available for sale investments	$ 41,523	$ 44,070
Recurring Basis | Level 2 | Taxable Municipals
Available for sale investments	3,281	$ 288
Recurring Basis | Level 2 | Corporate Bonds
Available for sale investments	1,939
Recurring Basis | Level 2 | Mortgage Backed Securities
Available for sale investments	$ 54,899	$ 55,711
Recurring Basis | Level 3 | U.S. Government Agencies
Available for sale investments
Recurring Basis | Level 3 | Taxable Municipals
Available for sale investments
Recurring Basis | Level 3 | Corporate Bonds
Available for sale investments
Recurring Basis | Level 3 | Mortgage Backed Securities
Available for sale investments
Nonrecurring Basis | Level 1 | Commercial
Impaired Loans
Nonrecurring Basis | Level 1 | Agriculture
Impaired Loans
Nonrecurring Basis | Level 1 | Consumer Installment Loans
Impaired Loans
Nonrecurring Basis | Level 1 | All Other Loans
Impaired Loans
Nonrecurring Basis | Level 1 | Real Estate | Commercial
Impaired Loans
Nonrecurring Basis | Level 1 | Real Estate | Construction and Land Development
Impaired Loans
Nonrecurring Basis | Level 1 | Real Estate | Residential 1-4 Family
Impaired Loans
Nonrecurring Basis | Level 1 | Real Estate | Multifamily
Impaired Loans
Nonrecurring Basis | Level 1 | Real Estate | Farmland
Impaired Loans
Nonrecurring Basis | Level 2 | Commercial
Impaired Loans
Nonrecurring Basis | Level 2 | Agriculture
Impaired Loans
Nonrecurring Basis | Level 2 | Consumer Installment Loans
Impaired Loans
Nonrecurring Basis | Level 2 | All Other Loans
Impaired Loans
Nonrecurring Basis | Level 2 | Real Estate | Commercial
Impaired Loans
Nonrecurring Basis | Level 2 | Real Estate | Construction and Land Development
Impaired Loans
Nonrecurring Basis | Level 2 | Real Estate | Residential 1-4 Family
Impaired Loans
Nonrecurring Basis | Level 2 | Real Estate | Multifamily
Impaired Loans
Nonrecurring Basis | Level 2 | Real Estate | Farmland
Impaired Loans
Nonrecurring Basis | Level 3 | Commercial
Impaired Loans	$ 45	$ 596
Nonrecurring Basis | Level 3 | Agriculture
Impaired Loans	36	52
Nonrecurring Basis | Level 3 | Consumer Installment Loans
Impaired Loans	$ 54	$ 15
Nonrecurring Basis | Level 3 | All Other Loans
Impaired Loans
Nonrecurring Basis | Level 3 | Real Estate | Commercial
Impaired Loans	$ 6,427	$ 7,021
Nonrecurring Basis | Level 3 | Real Estate | Construction and Land Development
Impaired Loans	144	230
Nonrecurring Basis | Level 3 | Real Estate | Residential 1-4 Family
Impaired Loans	4,789	5,471
Nonrecurring Basis | Level 3 | Real Estate | Multifamily
Impaired Loans	430	536
Nonrecurring Basis | Level 3 | Real Estate | Farmland
Impaired Loans	$ 4,416	$ 6,528