CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Net cash provided by operating activities:	$ 57,438	$ 59,221
Cash flows from investing activities:
Acquisition of real estate, including intangible assets	(48,250)	(27,197)
Investment in real estate under construction	(42,298)	(20,812)
Capital expenditures	(3,330)	(1,325)
Net proceeds from sale of properties	90,823	57,898
Net proceeds from sale of non-consolidated investment	6,127	0
Principal payments received on loans receivable	88,794	70
Investments in and advances to non-consolidated entities	(1,293)	(14,977)
Distributions from non-consolidated entities in excess of accumulated earnings	371	6,850
Increase in deferred leasing costs	(1,671)	(1,230)
Change in restricted cash	(34,216)	(32,193)
Change in real estate deposits, net	12,229	(65)
Net cash provided by (used in) investing activities	67,286	(32,981)
Cash flows from financing activities:
Dividends to common and preferred shareholders	(42,836)	(41,182)
Principal amortization payments	(7,913)	(7,120)
Principal payments on debt, excluding normal amortization	0	(8,130)
Change in revolving credit facility borrowings, net	0	(30,000)
Payment of developer liabilities	0	(3,851)
Change in deferred financing costs	(11)	99
Proceeds of mortgages and notes payable	0	57,500
Change in restricted cash	1,572	0
Cash distributions to noncontrolling interests	(1,040)	(689)
Issuance of common shares, net	16,168	3,751
Repurchase of common shares	0	(8,973)
Net cash used in financing activities	(34,060)	(38,595)
Change in cash and cash equivalents	90,664	(12,355)
Cash and cash equivalents, at beginning of period	86,637	93,249
Cash and cash equivalents, at end of period	177,301	80,894
LCIF [Member]
Net cash provided by operating activities:	9,887	9,246
Cash flows from investing activities:
Investment in real estate under construction	(8,761)	(5,745)
Capital expenditures	(638)	(228)
Net proceeds from sale of properties	3,889	29,817
Investments in and advances to non-consolidated entities	(175)	0
Distributions from non-consolidated entities in excess of accumulated earnings	154	176
Increase in deferred leasing costs	(1)	(469)
Change in restricted cash	5	(29,847)
Change in real estate deposits, net	(2)	0
Net cash provided by (used in) investing activities	(5,529)	(6,296)
Cash flows from financing activities:
Distributions to partners	(16,916)	(9,617)
Principal amortization payments	(323)	(362)
Change in deferred financing costs	0	(79)
Related party advances (payments), net	7,877	787
Net cash used in financing activities	(9,362)	(9,271)
Change in cash and cash equivalents	(5,004)	(6,321)
Cash and cash equivalents, at beginning of period	52,031	19,130
Cash and cash equivalents, at end of period	$ 47,027	$ 12,809