CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Net cash provided by operating activities:	$ 116,920	$ 112,509
Cash flows from investing activities:
Acquisition of real estate, including intangible assets	(27,197)	(197,926)
Investment in real estate under construction	(65,102)	(62,290)
Capital expenditures	(1,256)	(5,343)
Net proceeds from sale of properties	131,985	78,857
Principal payments received on loans receivable	141	1,130
Investment in loan receivable	0	(9,857)
Investments in non-consolidated entities	(25,005)	(10,005)
Distributions from non-consolidated entities in excess of accumulated earnings	7,061	896
Increase in deferred leasing costs	(4,707)	(3,176)
Change in restricted cash	(2,130)	1,507
Real estate deposits, net	(68)	(5,944)
Net cash provided by (used in) investing activities	13,722	(212,151)
Cash flows from financing activities:
Dividends to common and preferred shareholders	(82,229)	(82,192)
Principal amortization payments	(12,499)	(20,138)
Principal payments on debt, excluding normal amortization	(58,942)	(106,956)
Retirement of convertible notes	(672)	0
Change in revolving credit facility borrowings, net	(54,000)	93,000
Payment of developer liabilities	(3,851)	0
Change in deferred financing costs	(2,176)	(2,695)
Proceeds of mortgages and notes payable	57,500	80,843
Cash distributions to noncontrolling interests	(1,739)	(1,871)
Issuance of common shares, net	3,466	12,956
Repurchase of common shares	(8,973)	0
Net cash used in financing activities	(164,115)	(27,053)
Change in cash and cash equivalents	(33,473)	(126,695)
Cash and cash equivalents, at beginning of period	93,249	191,077
Cash and cash equivalents, at end of period	59,776	64,382
LCIF [Member]
Net cash provided by operating activities:	25,866	17,241
Cash flows from investing activities:
Investment in real estate under construction	(14,936)	(9,111)
Capital expenditures	(570)	(3,310)
Net proceeds from sale of properties	69,038	0
Investment in loan receivable	0	(318)
Investments in non-consolidated entities	0	(1,650)
Distributions from non-consolidated entities in excess of accumulated earnings	285	171
Increase in deferred leasing costs	(505)	(840)
Change in restricted cash	(460)	956
Net cash provided by (used in) investing activities	52,852	(14,102)
Cash flows from financing activities:
Distributions to partners	(33,707)	(7,245)
Principal amortization payments	(735)	(750)
Principal payments on debt, excluding normal amortization	(23,934)	(28,627)
Co-borrower debt payment	(15,000)	0
Change in deferred financing costs	(79)	(632)
Proceeds of mortgages and notes payable	0	29,193
Related party note payment	0	(8,250)
Related party advances, net	33	14,361
Net cash used in financing activities	(73,422)	(1,950)
Change in cash and cash equivalents	5,296	1,189
Cash and cash equivalents, at beginning of period	19,130	8,328
Cash and cash equivalents, at end of period	$ 24,426	$ 9,517