Supplemental Disclosure to Statements of Cash Flows - Schedule of Supplemental Disclosures (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Continuing Operations
Other Significant Noncash Transactions [Line Items]
Write off of fully depreciated property and deferred costs	$ 1,110	$ 14,609
Write of depreciated property and deferred costs due to sale and related debt repayment	0	19,564
Change in accrued development capital expenditures	(651)	10,063
Unrealized (loss) gain on cash flow hedge, non cash transaction	(1,970)	487
Capitalized equity-based compensation	705	240
Discontinued operations
Other Significant Noncash Transactions [Line Items]
Write off of fully depreciated property and deferred costs	0	1,886
Write of depreciated property and deferred costs due to sale and related debt repayment	28,221	96,936
Change in accrued development capital expenditures	$ 0	$ (1,424)