CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net cash provided by operating activities:	$ 56,221	$ 57,438
Cash flows from investing activities:
Acquisition of real estate, including intangible assets	0	(48,250)
Investment in real estate under construction	0	(42,298)
Capital expenditures	(6,727)	(3,330)
Net proceeds from sale of properties	61,518	90,823
Net proceeds from sale of non-consolidated investment	0	6,127
Principal payments received on loans receivable	0	88,556
Investments in and advances to non-consolidated entities	0	(1,293)
Distributions from non-consolidated entities in excess of accumulated earnings	157	371
Increase in deferred leasing costs	(609)	(1,671)
Change in real estate deposits, net	(3,102)	12,229
Net cash provided by investing activities	51,237	101,264
Cash flows from financing activities:
Dividends to common and preferred shareholders	(44,840)	(42,836)
Principal amortization payments	(7,494)	(7,913)
Change in revolving credit facility borrowings, net	(60,000)	0
Deferred financing costs	(32)	(11)
Proceeds of mortgages and notes payable	500	0
Cash distributions to noncontrolling interests	(802)	(1,040)
Issuance of common shares, net of costs and repurchases to settle tax obligations	(2,917)	16,168
Repurchase of common shares	(6,336)	0
Net cash used in financing activities	(121,921)	(35,632)
Change in cash, cash equivalents and restricted cash	(14,463)	123,070
Cash, cash equivalents and restricted cash, at beginning of period	112,156	117,779
Cash, cash equivalents and restricted cash, at end of period	97,693	240,849
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents at beginning of period	107,762	86,637
Cash and cash equivalents at end of period	90,214	177,301
Restricted cash at beginning of period	4,394	31,142
Restricted cash at end of period	7,479	63,548
LCIF [Member]
Net cash provided by operating activities:	8,549	9,887
Cash flows from investing activities:
Investment in real estate under construction	0	(8,761)
Capital expenditures	(4,175)	(638)
Net proceeds from sale of properties	2,101	3,889
Investments in and advances to non-consolidated entities	0	(175)
Distributions from non-consolidated entities in excess of accumulated earnings	467	154
Increase in deferred leasing costs	(17)	(1)
Change in real estate deposits, net	(14)	(2)
Net cash provided by investing activities	(1,638)	(5,534)
Cash flows from financing activities:
Distributions to partners	(14,952)	(16,916)
Principal amortization payments	(346)	(323)
Co-borrower debt payments	(30,000)	0
Deferred financing costs	(32)	0
Proceeds of mortgages and notes payable	500	0
Related party advances, net	54	7,877
Net cash used in financing activities	(44,776)	(9,362)
Change in cash, cash equivalents and restricted cash	(37,865)	(5,009)
Cash, cash equivalents and restricted cash, at beginning of period	51,832	53,576
Cash, cash equivalents and restricted cash, at end of period	13,967	48,567
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents at beginning of period	50,900	52,031
Cash and cash equivalents at end of period	12,077	47,027
Restricted cash at beginning of period	932	1,545
Restricted cash at end of period	$ 1,890	$ 1,540