Supplemental Disclosure to Statements of Cash Flows (Tables)

3 Months Ended

Mar. 31, 2015

Supplemental Cash Flow Information [Abstract]

Supplemental Disclosure to Statements of Cash Flows

The following are supplemental disclosures to the statements of cash flows for the three months ended March 31, 2015 and 2014 (amounts in thousands):

	2015			2014
Write-off of fully depreciated/amortized property and deferred costs	$	14,436		$	11,279
Write-off of depreciated/amortized property and deferred costs due to sale	$	10,295		$	131,026
Unrealized loss on cash flow hedge	$	(947	)	$	(511	)
Changes in accrued development capital expenditures	$	(8,343	)	$	2,280