Supplemental Disclosure to Statements of Cash Flows (Tables)

12 Months Ended

Dec. 31, 2017

Supplemental Disclosure to Statements of Cash Flows [Abstract]

Supplemental Disclosure to Statements of Cash Flows

The following are supplemental disclosures to the statements of cash flows for the years ended December 31, 2017, 2016 and 2015 (amounts in thousands):

	2017		2016			2015
Write-off of fully depreciated/amortized property and deferred costs - properties included in continuing operations	$	16,568	$	23,331		$	27,202
Write-off of fully depreciated/amortized property and deferred costs - properties included in discontinued operations	15,368		18,075			15,137
Write-off of depreciated property and deferred costs due to sale/demolition - properties included in continuing operations	15,760		461,480			252,017
Write-off of depreciated property and deferred costs due to sale/demolition - properties included in discontinued operations	17,335		—			—
Write-off of costs related to early debt extinguishment	—		219			—
Changes in accrued development capital expenditures - properties included in continuing operations	12,341		(11,274		)	12,935
Changes in accrued development capital expenditures - properties included in discontinued operations	—		(94		)	(971		)
Unrealized gain (loss) on cash flow hedge	605		410			(488		)
Capitalized equity-based compensation	1,096		1,221			876
Redemption of noncontrolling interests - common units	152		132			—