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Credit Arrangements (Tables)
3 Months Ended
Mar. 31, 2018
Credit Arrangements [Abstract]  
Lines of Credit
Instrument
Issue Date
Maturity Date
 
Revolving Credit Limit
  
December 31, 2017
  
Borrowings
  
Repayments
  
March 31, 2018
 
Lines of Credit:
                 
UTG
11/20/2013
11/20/2018
 
$
8,000,000
  
$
-
   
-
   
-
  
$
-
 
UG
6/2/2015
5/10/2018
  
10,000,000
   
-
   
-
   
-
   
-