CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ (15,825)	$ 452	$ 28,272	$ 1,149
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization			68,684	61,180
Gain on disposition of properties and other investments			(42,504)	(10,521)
Net unrealized holding losses (gains) on investments			13,114	(8,565)
Stock compensation expense			6,358	7,135
Straight-line rents			(5,546)	(2,685)
Equity in earnings of unconsolidated affiliates	(1,280)	(899)	(4,410)	(2,781)
Distributions of operating income from unconsolidated affiliates			6,761	1,387
Adjustments to straight-line rent reserves			(462)	584
Amortization of financing costs			2,498	2,510
Non-cash lease expense			1,718	2,066
Adjustments to allowance for credit loss			(1,387)	1,094
Termination of ground lease			0	(3,615)
Other, net			(4,155)	(1,869)
Changes in assets and liabilities:
Rents receivable			3,863	2,777
Other liabilities			(2,715)	3,040
Accounts payable and accrued expenses			(3,834)	(342)
Prepaid expenses and other assets			233	(450)
Lease liability - operating leases			(1,729)	(1,533)
Net cash provided by operating activities			64,759	50,561
CASH FLOWS FROM INVESTING ACTIVITIES
Acquisitions of real estate			(242,633)	0
Proceeds from the disposition of properties and other investments, net			156,783	63,901
Investments in and advances to unconsolidated affiliates and other			(99,946)	(4,623)
Development, construction and property improvement costs			(25,281)	(15,740)
Refund (payment) of deposits for properties under contract			350	(1,000)
Change in control of previously unconsolidated affiliate			3,592	0
Return of capital from unconsolidated affiliates and other			57,581	8,717
Payment of deferred leasing costs			(3,807)	(2,720)
Acquisition of investment interests			(4,527)	0
Proceeds from notes receivable			16,000	0
Issuance of notes receivable			0	(15,995)
Net cash (used in) provided by investing activities			(141,888)	32,540
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from unsecured debt			574,783	49,295
Principal payments on unsecured debt			(535,927)	(102,800)
Proceeds from the sale of Common Shares			119,485	45,675
Capital contributions from noncontrolling interests			99,852	17,109
Principal payments on mortgage and other notes			(114,800)	(52,408)
Distributions to noncontrolling interests			(49,878)	(11,202)
Dividends paid to Common Shareholders			(30,407)	(12,945)
Proceeds received on mortgage and other notes			43,037	5,828
Deferred financing and other costs			(3,125)	(6,707)
Acquisition of noncontrolling interest			(18,506)	0
Net cash provided by (used in) financing activities			84,514	(68,155)
Increase in cash and restricted cash			7,385	14,946
Cash of $17,746 and $18,699 and restricted cash of $9,813 and $11,096, respectively, beginning of period			27,559	29,795	$ 29,795
Cash of $23,921 and $33,079 and restricted cash of $11,023 and $11,662, respectively, end of period	$ 34,944	$ 44,741	34,944	44,741	$ 27,559
Supplemental disclosure of cash flow information
Cash paid during the period for interest, net of capitalized interest of $1,313 and $1,832 respectively			22,189	20,666
Cash paid for income taxes, net of (refunds)			183	344
Supplemental disclosure of non-cash investing and financing activities
Distribution declared and payable on July 15, 2022, and July 15, 2021, respectively			18,172	14,314
Assumption of accounts payable and accrued expenses through acquisition of real estate			4,062	0
Right-of-use assets, operating leases exchanged for operating lease liabilities			0	412
Reclassification of non-controlling interest in excess of amount paid to additional paid-in capital			22,870	0
Change in control of previously unconsolidated (consolidated) investment
Increase in real estate			(55,791)
Increase in Mortgage Notes Payable			35,970	0
Decrease in investments in and advances to unconsolidated affiliates			17,822	0
Decrease in notes receivable			5,306	0
Decrease in reserve on note receivable			(4,582)	0
Decrease in accrued interest on notes receivable			4,691	0
Change in other assets and liabilities			176	0
Increase in cash and restricted cash upon change of control			$ 3,592	$ 0