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Derivatives (Tables)
9 Months Ended
Sep. 30, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of derivatives The following table details our outstanding interest rate derivatives that were designated as cash flow hedges of interest rate risk:
($ in thousands)
 
September 30, 2018
Instrument
 
Number of Instruments
 
Fixed Rate
 
Notional
 
Index
 
Maturity
Interest Rate Swaps
 
4
 
2.8297%
 
$1,500,000
 
USD LIBOR
 
April 22, 2023