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Fair Value Disclosure
9 Months Ended
Sep. 30, 2018
Fair Value Disclosures [Abstract]  
Fair Value Disclosure
Fair Value Disclosure
GAAP establishes a hierarchy of valuation techniques based on the observability of the inputs utilized in measuring financial instruments at fair values. Market based, or observable inputs are the preferred source of values, followed by valuation models using management assumptions in the absence of market inputs. The three levels of the hierarchy as noted in ASC 820 "Fair Value Measurements and Disclosures" are described below:
Level I — Quoted prices in active markets for identical assets or liabilities.
Level II — Prices are determined using other significant observable inputs. Observable inputs are inputs that other market participants would use in pricing a security. These may include quoted prices for similar securities, interest rates, prepayment speeds, credit risk and others.
Level III — Prices are determined using significant unobservable inputs. In situations where quoted prices or observable inputs are unavailable (for example, when there is little or no market activity for an investment at the end of the period), unobservable inputs may be used.
While we anticipate that our valuation methods will be appropriate and consistent with other market participants, the use of different methodologies or assumptions to determine the fair value of certain financial instruments could result in a different estimate of fair value at the reporting date. We will use inputs that are current as of the measurement date, which may include periods of market dislocation, during which price transparency may be reduced.
The estimated fair values of our derivative instruments are determined using a discounted cash flow analysis on the expected cash flows of each derivative. The fair values of interest rate swaps are determined using the market standard methodology of netting the discounted future fixed cash receipts (or payments) and the discounted expected variable cash payments (or receipts). The fair values of interest rate caps are determined using the market standard methodology of discounting the future expected cash receipts (or payments) that would occur if variable interest rates rise above the strike rate of the caps. The variable interest rates used in the calculation of projected cash flows are based on an expectation of future interest rates derived from observable market interest rate curves and volatilities. The fair values of foreign exchange forwards are determined by comparing the contracted forward exchange rate to the current market exchange rate.  The current market exchange rates are determined by using market spot rates, forward rates and interest rate curves for the underlying countries.  Our derivative instruments are classified as Level II in the fair value hierarchy.
The following table summarizes the levels in the fair value hierarchy into which our financial instruments were categorized as of September 30, 2018 and December 31, 2017 ($ in thousands): 
 
Fair Value as of September 30, 2018
 
Fair Value as of December 31, 2017
 
Level I
 
Level II
 
Level III
 
Total
 
Level I
 
Level II
 
Level III
 
Total
Derivative assets (liabilities), net
$

 
$
15,341

 
$

 
$
15,341

 
$

 
$
(5,644
)
 
$

 
$
(5,644
)