XML 104 R91.htm IDEA: XBRL DOCUMENT v3.6.0.2
Concentration Of Credit Risk (Details)
Dec. 31, 2016
USD ($)
item
Dec. 31, 2015
USD ($)
Accounts secured by FDIC 1  
FDIC coverage amount | $ $ 250,000  
Uninsured cash balances | $ $ 3,670,000 $ 3,058,000
Community Bankers Bank [Member]    
Accounts secured by FDIC 1  
Suntrust Bank [Member]    
Accounts secured by FDIC 1  
Zions Bank [Member]    
Accounts secured by FDIC 1