8. TROUBLED DEBT RESTRUCTURINGS - Schedule Of Loans Modified As Troubled Debt Restructurings (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) Subsidiaries	Dec. 31, 2014 USD ($) Subsidiaries
# of Loans | Subsidiaries	4	4
Pre-Mod. Recorded Investment	$ 1,096	$ 3,936
Post-Mod. Recorded Investment	$ 824	$ 3,185
Commercial
# of Loans | Subsidiaries
Pre-Mod. Recorded Investment
Post-Mod. Recorded Investment
Agriculture
# of Loans | Subsidiaries
Pre-Mod. Recorded Investment
Post-Mod. Recorded Investment
Consumer Installment Loans
# of Loans | Subsidiaries
Pre-Mod. Recorded Investment
Post-Mod. Recorded Investment
All other loans
# of Loans | Subsidiaries
Pre-Mod. Recorded Investment
Post-Mod. Recorded Investment
Real Estate
# of Loans | Subsidiaries	4	4
Pre-Mod. Recorded Investment	$ 1,096	$ 3,936
Post-Mod. Recorded Investment	$ 824	$ 3,185
Real Estate | Commercial
# of Loans | Subsidiaries	1
Pre-Mod. Recorded Investment	$ 320
Post-Mod. Recorded Investment	$ 313
Real Estate | Construction and Land Development
# of Loans | Subsidiaries	1
Pre-Mod. Recorded Investment	$ 551
Post-Mod. Recorded Investment	$ 290
Real Estate | Residential 1-4 Family
# of Loans | Subsidiaries	2	2
Pre-Mod. Recorded Investment	$ 225	$ 596
Post-Mod. Recorded Investment	$ 221	$ 589
Real Estate | Multifamily
# of Loans | Subsidiaries
Pre-Mod. Recorded Investment
Post-Mod. Recorded Investment
Real Estate | Farmland
# of Loans | Subsidiaries		2
Pre-Mod. Recorded Investment		$ 3,340
Post-Mod. Recorded Investment		$ 2,596