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Notes Payable and Amounts Due Under Repurchase Agreements (Tables)
3 Months Ended
Mar. 31, 2019
Debt Disclosure [Abstract]  
Schedule of Notes Payable
Notes payable includes the following:
 
March 31, 2019
 
December 31, 2018
 
(Dollars in thousands)
Senior notes due 2027
 
 
 
Principal
$
500,000

 
$
500,000

Unamortized debt issue costs
(4,980
)
 
(5,102
)
Unamortized discount
(300
)
 
(307
)
 
$
494,720

 
$
494,591