CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net loss	$ (16,223)	$ (3,712)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation	31,838	31,209
Amortization	4,353	3,458
Straight-line rent adjustments	(1,517)	(823)
Provision for doubtful accounts		1,075
Amortization of deferred compensation	1,922	1,924
Loss on debt extinguishment	4,768	0
Adjustment to gains on sales of interests in non operating real estate		25
Equity in income of partnerships	(2,289)	(3,138)
Gain on sale of real estate by equity method investee	(563)	(2,773)
Cash distributions from partnerships	2,357	2,742
Impairment of development land parcel	1,464	0
Change in assets and liabilities:
Net change in other assets	6,961	1,060
Net change in other liabilities	(10,055)	(21)
Net cash provided by operating activities	23,016	31,026
Cash flows from investing activities:
Distribution of financing proceeds from equity method investee	0	123,000
Cash proceeds from sales of real estate	4,823	0
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	2,275	0
Investments in partnerships	(19,885)	(13,896)
Investments in real estate improvements	(6,361)	(13,568)
Additions to construction in progress	(28,087)	(3,119)
Capitalized leasing costs	(320)	(2,172)
Additions to leasehold improvements and corporate fixed assets	(73)	(4)
Net cash (used in) provided by investing activities	(38,749)	109,968
Cash flows from financing activities:
(Repayments of) proceeds from mortgage loans and finance lease liabilities	(63,442)	10,185
Net borrowings (repayments) under revolving facility	97,000	(53,000)
Dividends paid to preferred shareholders	(14,930)	(14,766)
Dividends paid to preferred shareholders	(6,843)	(6,843)
Distributions paid to Operating Partnership unit holders and noncontrolling interest	(1,698)	(1,737)
Principal installments on mortgage loans	(3,818)	(3,832)
Payment of deferred financing costs	(13)	(436)
Value of shares of beneficial interest issued	306	484
Value of shares retired under equity incentive plans, net of shares issued	(632)	(679)
Net cash provided by (used in) financing activities	5,930	(70,624)
Net change in cash, cash equivalents, and restricted cash	(9,803)	70,370
Cash, cash equivalents, and restricted cash, beginning of period	32,445	33,953
Cash, cash equivalents, and restricted cash, end of period	$ 22,642	$ 104,323