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Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 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 March 31, 2018 and December 31, 2017.



	March 31, 2018								December 31, 2017
(Dollars in millions)	Carrying Value				Fair Value				Carrying Value				Fair Value
Notes and bonds payable ⁽¹⁾	$	1,307.0			$	1,277.6			$	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.