CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Net cash provided by operating activities:	$ 172,581	$ 180,583
Cash flows from investing activities:
Acquisition of real estate, including intangible assets	(418,574)	(70,297)
Investment in real estate under construction	(81,364)	(105,548)
Capital expenditures	(13,367)	(3,267)
Net proceeds from sale of properties	186,499	293,634
Net proceeds from sale of non-consolidated investment	6,127	0
Principal payments received on loans receivable	89,908	214
Investments in and advances to non-consolidated entities	(4,068)	(33,554)
Distributions from non-consolidated entities in excess of accumulated earnings	477	7,299
Increase in deferred leasing costs	(5,284)	(6,165)
Change in restricted cash	(5,843)	(32,450)
Change in real estate deposits, net	10,938	(20,566)
Net cash provided by (used in) investing activities	(234,551)	29,300
Cash flows from financing activities:
Dividends to common and preferred shareholders	(128,996)	(123,287)
Principal amortization payments	(23,243)	(20,887)
Principal payments on debt, excluding normal amortization	(41,488)	(103,473)
Retirement of convertible notes	0	(672)
Proceeds from term loans	95,000	0
Change in revolving credit facility borrowings, net	200,000	(177,000)
Payment of developer liabilities	0	(4,016)
Change in deferred financing costs	(1,252)	(1,841)
Proceeds of mortgages and notes payable	0	254,650
Change in restricted cash	1,572	0
Cash distributions to noncontrolling interests	(2,563)	(2,528)
Issuance of common shares, net	16,848	2,686
Repurchase of common shares	0	(8,973)
Net cash provided by (used in) financing activities	115,878	(185,341)
Change in cash and cash equivalents	53,908	24,542
Cash and cash equivalents, at beginning of period	86,637	93,249
Cash and cash equivalents, at end of period	140,545	117,791
LCIF [Member]
Net cash provided by operating activities:	32,685	30,975
Cash flows from investing activities:
Acquisition of real estate, including intangible assets	(24,317)	0
Investment in real estate under construction	(20,894)	(23,390)
Capital expenditures	(3,925)	(1,226)
Net proceeds from sale of properties	7,106	185,219
Investments in and advances to non-consolidated entities	(1,067)	(81)
Distributions from non-consolidated entities in excess of accumulated earnings	855	425
Increase in deferred leasing costs	(2,157)	(997)
Change in restricted cash	5	812
Change in real estate deposits, net	(24)	1,932
Net cash provided by (used in) investing activities	(44,418)	162,694
Cash flows from financing activities:
Distributions to partners	(50,747)	(50,200)
Principal amortization payments	(785)	(1,053)
Principal payments on debt, excluding normal amortization	0	(23,934)
Co-borrower debt borrowings (payments)	200,000	(58,000)
Change in deferred financing costs	(13)	(79)
OP unit redemptions	(129,990)	0
Related party advances, net	8,124	553
Net cash provided by (used in) financing activities	26,589	(132,713)
Change in cash and cash equivalents	14,856	60,956
Cash and cash equivalents, at beginning of period	52,031	19,130
Cash and cash equivalents, at end of period	$ 66,887	$ 80,086