Supplemental Disclosure to Statements of Cash Flows (Tables)

12 Months Ended

Dec. 31, 2016

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, 2016, 2015 and 2014 (amounts in thousands):

	2016			2015			2014
Write-off of fully depreciated/amortized property and deferred costs	$	41,406		$	42,339		$	38,131
Write-off of depreciated property and deferred costs due to sale/demolition	461,480			252,017			173,083
Write-off of costs related to early debt extinguishment	219			—			—
Increase in investments in and advances to unconsolidated joint ventures due to disposition/development activity	—			—			(11,948		)
Changes in accrued development capital expenditures	(11,368		)	11,964			6,264
Unrealized gain (loss) on cash flow hedge	410			(488		)	(3,419		)
Capitalized equity-based compensation	1,221			876			1,045
Redemption of noncontrolling interests - common units	132			—			—