Supplemental Disclosure to Statements of Cash Flows - Schedule of Supplemental Disclosures (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Continuing Operations
Other Significant Noncash Transactions [Line Items]
Write off of fully depreciated property and deferred costs	$ 2,218	$ 7,197
Write of depreciated property and deferred costs due to sale and related debt repayment	1,642	20,273
Change in accrued development capital expenditures	(4,436)	12,361
Unrealized (loss) gain on cash flow hedge, non cash transaction	(1,887)	493
Capitalized equity-based compensation	915	727
Discontinued operations
Other Significant Noncash Transactions [Line Items]
Write off of fully depreciated property and deferred costs	0	11,789
Write of depreciated property and deferred costs due to sale and related debt repayment	51,455	99,072
Change in accrued development capital expenditures	$ 0	$ (4,628)