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Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Fair value and carrying values for notes and bonds payable, mortgage notes receivable, and notes receivable

The table below details the fair values and carrying values for notes and bonds payable at June 30, 2018 and December 31, 2017.



	June 30, 2018								December 31, 2017
(Dollars in millions)	Carrying Value				Fair Value				Carrying Value				Fair Value
Notes and bonds payable ⁽¹⁾	$	1,335.7			$	1,304.5			$	1,283.9			$	1,269.7

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(1)	Level 2 – model-derived valuations in which significant inputs and significant value drivers are observable in active markets.