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Corporate Borrowings (Tables)
 3 Months Ended
Mar. 31, 2018
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments
Indebtedness Outstanding:
Description(a)
March 31,
2018
 
December 31,
2017
Credit Agreement - Revolver, 3.281% (variable rate) due 2022
$
11,039

 
$
3,298

Secured Promissory Note, 3.71% (variable rate) due 2022
1,874

 
1,966

Prudential Note Purchase Agreement, 3.53% (fixed rate) due 2027
20,000

 
20,000

Unamortized loan fees(b)
(678
)
 
(710
)
Total
$
32,235

 
$
24,554

Less current maturities of long term debt
(375
)
 
(372
)
Long-term debt
$
31,860

 
$
24,182


(a) Interest rates are as of March 31, 2018.
(b) Loan fees are being amortized over the life of the Credit Agreements.