CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Net loss	$ (69,360)	$ (36,668)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation	56,048	57,072
Amortization	4,475	6,084
Straight-line rent adjustments	74	(1,364)
Amortization of deferred compensation	2,469	3,294
Gain on debt extinguishment, net	(4,587)	0
Paid-in-kind interest	23,406	0
Gain on hedge ineffectiveness	(1,797)	0
Loss (gain) on sales of interests in real estate and non-operating real estate, net	974	(11,073)
Equity in loss (income) of partnerships	1,000	(461)
Gain on sales of real estate by equity method investee	(1,347)	0
Cash distributions from partnerships	0	845
Impairment of real estate assets	1,302	0
Change in assets and liabilities:
Net change in other assets	20,119	(18,859)
Net change in other liabilities	1,904	(2,596)
Net cash provided by (used in) operating activities	34,680	(3,726)
Cash flows from investing activities:
Cash proceeds from sales of real estate	828	21,922
Investments in real estate improvements	(9,332)	(15,941)
Additions to construction in progress	(5,320)	(29,670)
Investments in partnerships	(557)	(18,060)
Capitalized leasing costs	(25)	(150)
Additions to leasehold improvements and corporate fixed assets	(30)	(4,735)
Net cash used in investing activities	(14,436)	(46,634)
Cash flows from financing activities:
Net borrowings under the Restructured Revolver	0	120,000
Net repayments to term loans	(826)	(6,000)
Repayments of finance lease liabilities	(341)	(321)
Proceeds from notes payable	0	4,536
Repayments of mortgage loans	(135,155)	0
Proceeds from mortgage loans	127,685	0
Principal installments on mortgage loans	(14,689)	(6,410)
Payment of deferred financing costs	(902)	(35)
Value of shares of beneficial interest issued	0	538
Dividends paid to common shareholders	0	(18,081)
Dividends paid to preferred shareholders	0	(13,688)
Distributions paid to Operating Partnership unit holders and noncontrolling interest	0	(451)
Value of shares retired under equity incentive plans, net of shares issued	(647)	(466)
Net cash (used in) provided by financing activities	(24,875)	79,622
Net change in cash, cash equivalents, and restricted cash	(4,631)	29,262
Cash, cash equivalents, and restricted cash, beginning of period	51,231	19,629
Cash, cash equivalents, and restricted cash, end of period	$ 46,600	$ 48,891