CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net income (loss)	$ 2,413	$ (37,669)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	89,736	92,063
Amortization	12,152	10,776
Straight-line rent adjustments	(2,084)	(1,753)
Provision for doubtful accounts	0	2,054
Non-cash lease termination revenue	0	(4,200)
Amortization of deferred compensation	5,633	5,392
Gain on debt extinguishment, net	(24,832)	0
Insurance recoveries in excess of property loss	(3,994)	0
Gain on sale of interests in real estate, net	(2,684)	(723)
Equity in income of partnerships	(6,136)	(8,186)
Gain on sale of real estate by equity method investee	(553)	(2,773)
Cash distributions from partnerships	19,223	6,029
Amortization of historic tax credits	0	(810)
Impairment of assets	1,464	34,286
Change in assets and liabilities:
Net change in other assets	(5,248)	(1,904)
Net change in other liabilities	(5,417)	1,632
Net cash provided by operating activities	79,673	94,214
Cash flows from investing activities:
Investments in consolidated real estate acquisitions	0	(11,400)
Distribution of financing proceeds from equity method investee	25,000	123,000
Cash proceeds from sales of real estate	35,351	1,636
Cash proceeds from sale of mortgage	8,000	0
Cash distributions from partnerships of proceeds from real estate sold	879	19,727
Proceeds from insurance claims related to damage to real estate assets	6,977	0
Investments in partnerships	(55,221)	(47,074)
Investments in real estate improvements	(21,487)	(23,918)
Additions to construction in progress	(86,118)	(51,349)
Capitalized leasing costs	(413)	(10,423)
Additions to leasehold improvements and corporate fixed assets	(819)	(67)
Net cash (used in) provided by investing activities	(87,851)	132
Cash flows from financing activities:
(Repayments of) proceeds from mortgage loans and finance lease liabilities	(71,210)	10,185
Net borrowings (repayments) under revolving facility	148,000	(16,000)
Dividends paid to common shareholders	(47,492)	(44,349)
Dividends paid to preferred shareholders	(20,531)	(20,531)
Distributions paid to Operating Partnership unit holders and noncontrolling interest	(2,587)	(5,212)
Principal installments on mortgage loans	(12,806)	(14,217)
Payment of deferred financing costs	(95)	(6,522)
Value of shares of beneficial interest issued	978	1,118
Value of shares retired under equity incentive plans, net of shares issued	(632)	(747)
Net cash used in financing activities	(6,375)	(96,275)
Net change in cash, cash equivalents, and restricted cash	(14,553)	(1,929)
Cash, cash equivalents, and restricted cash, beginning of period	32,445	33,953
Cash, cash equivalents, and restricted cash, end of period	$ 17,892	$ 32,024