Fair Value Of Financial Instruments Fair Value Of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2017

Fair Value Disclosures [Abstract]

Summary of carrying amount and fair value of financial instruments

A summary of the carrying amount and fair value of our mortgages payable, notes payable and senior notes and debentures is as follows:

	December 31, 2017				December 31, 2016
	Carrying Value		Fair Value		Carrying Value		Fair Value
	(In thousands)
Mortgages and notes payable	$	811,770	$	824,419	$	750,268	$	760,260
Senior notes and debentures	$	2,401,440	$	2,498,445	$	1,976,594	$	2,015,973

Summary of financial assets/(liabilities) measured at fair value on a recurring basis

A summary of our financial assets/(liabilities) that are measured at fair value on a recurring basis, by level within the fair value hierarchy is as follows:

	December 31, 2017								December 31, 2016
	Level 1		Level 2		Level 3		Total		Level 1		Level 2			Level 3		Total
	(In thousands)
Interest rate swaps	$	—	$	22	$	—	$	22	$	—	$	(2,577	)	$	—	$	(2,577	)