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Fair Value of Financial Instruments
6 Months Ended
Jun. 30, 2017
Fair Value Disclosures [Abstract]  
Fair Value of Financial Instruments
Fair Value of Financial Instruments
The following methods and assumptions were used to estimate the fair value of each class of financial instrument for which it is practical to estimate that value.

Cash and cash equivalents - The carrying amount approximates fair value due to the short term maturity of these investments.

Borrowings under the unsecured credit facility due 2020 and unsecured term loan facility due 2019 - The carrying amount approximates fair value because the borrowings are based on variable market interest rates.

Senior Notes and Mortgage Notes payable - The fair value of notes and bonds payable is estimated using cash flow analyses, based on the Company’s current interest rates for similar types of borrowing arrangements.

The table below details the fair values and carrying values for notes and bonds payable at June 30, 2017 and December 31, 2016.
 
June 30, 2017
 
December 31, 2016
(Dollars in millions)
Carrying Value
 
Fair Value
 
Carrying Value
 
Fair Value
Notes and bonds payable (1)
$
1,203.1

 
$
1,208.3

 
$
1,264.4

 
$
1,265.1


______
(1)
Level 3 - Fair value derived from valuation techniques in which one or more significant inputs or significant value drivers is unobservable.