CHAPTER 11 CASES AND ABILITY TO CONTINUE AS A GOING CONCERN - Summary of Condensed Combined Financial Statement Information Debtors (Details) $ in Thousands	2 Months Ended	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
ASSETS:
Investment in real estate assets	$ 4,056,257	$ 4,056,257
Accumulated depreciation	(1,544,800)	(1,544,800)
Investment in real estate assets, net	2,511,457	2,511,457
Developments in progress	27,853	27,853
Net investment in real estate assets	2,539,310	2,539,310
Available-for-sale securities - at fair value	233,071	233,071
Cash and cash equivalents	46,346	46,346
Restricted Cash	29,834	29,834
Intercompany due from non-debtor entities	76,095	76,095
Other assets	140,241	140,241
Total assets	3,064,897	3,064,897
LIABILITIES, REDEEMABLE NONCONTROLLING INTERESTS AND EQUITY:
Other liabilities	102,910	102,910
Intercompany due to non-debtor entities	5,062	5,062
Total liabilities not subject to compromise	107,972	107,972
Liabilities subject to compromise	2,551,490	2,551,490
Redeemable noncontrolling interests	(2,786)	(2,786)
Shareholders' equity	411,605	411,605
Noncontrolling interests	(3,384)	(3,384)
Total liabilities and owners’ equity	3,064,897	3,064,897
Total revenues	70,845
Depreciation and amortization	(23,064)
Operating expenses	(22,040)
Interest and other income	1,705
Interest expense (unrecognized contractual interest expense was $30,084 for the year ended December 31, 2020)	(760)
Reorganization items	(35,977)
Gain on sales of real estate assets	1,988
Income tax benefit	354
Net loss	(6,949)
Unrecognized contractual interest expense		30,084
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	(6,949)
Adjustments to reconcile net loss to net cash provided by operating activities:
Reorganization items (non-cash)	25,294
Other assets and liabilities, net	26,885
Net cash provided by operating activities	45,230
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of available-for-sale securities	(81,276)
Changes in other assets	2,506
Net cash used in investing activities	(78,770)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net distributions from non-Debtor subsidiaries	8,621
Other financing activities	104
Net cash provided by financing activities	8,725
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(24,815)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, beginning of period	100,995
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, end of period	76,180	76,180
Reconciliation from consolidated statement of cash flows to consolidated balance sheet:
Cash and cash equivalents	46,346	46,346
Restricted Cash	29,834	29,834
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, end of period	76,180	76,180
SUPPLEMENTAL INFORMATION
Cash paid for reorganization items	$ 301	$ 301