Supplemental Disclosure to Statements of Cash Flows (Tables)

9 Months Ended

Sep. 30, 2015

Supplemental Cash Flow Information [Abstract]

Supplemental Disclosure to Statements of Cash Flows

The following are supplemental disclosures to the consolidated statements of cash flows for the nine months ended September 30, 2015 and 2014 (amounts in thousands):

	2015			2014
Write-off of fully depreciated/amortized property and deferred costs	$	44,216		$	31,322
Write-off of depreciated/amortized property and deferred costs due to sale/demolition	$	95,277		$	132,707
Unrealized loss on cash flow hedge	$	(1,539	)	$	(990	)
Changes in accrued development capital expenditures	$	5,023		$	7,854
Increase in investments in and advances to unconsolidated joint ventures	$	—		$	(11,948	)