CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net (loss) income attributable to common stockholders	$ (77,605)	$ (113,256)	$ 138,417
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	187,782	178,991	176,737
Non-cash rental and related revenues	2,183	25,823	(4,458)
Non-cash interest income	(2,285)	(1,988)	(2,351)
Non-cash interest expense	11,094	8,368	8,418
Stock-based compensation expense	7,453	7,914	7,907
Loss on extinguishment of debt	411	34,622	531
Provision for loan losses and other reserves	141	3,935	1,855
Net loss (gain) on sales of real estate	12,011	(12,301)	(2,861)
Impairment of real estate	94,042	9,499	4,003
Other-than-temporary impairment of unconsolidated joint ventures	57,778	164,126	0
Loss from unconsolidated joint ventures	40,254	27,955	16,599
Other non-cash items	2,167	0	0
Distributions of earnings from unconsolidated joint ventures	0	0	12,795
Changes in operating assets and liabilities:
Accounts receivable, prepaid expenses and other assets, net	(6,443)	8,223	(6,398)
Accounts payable and accrued liabilities	(13,250)	14,479	3,658
Net cash provided by operating activities	315,733	356,390	354,852
Cash flows from investing activities:
Acquisition of real estate	(92,204)	(99,448)	(92,945)
Origination and fundings of loans receivable	(23,812)	(290,000)	(1,651)
Origination and fundings of preferred equity investments	(8,021)	(9,061)	(20,069)
Additions to real estate	(54,473)	(42,651)	(47,354)
Escrow deposits for potential investments	(780)	0	0
Repayments of loans receivable	5,272	2,949	4,093
Repayments of preferred equity investments	5,376	1,292	3,419
Investment in unconsolidated joint ventures	(142,910)	0	0
Net proceeds from the sales of real estate	87,304	100,723	16,751
Deposits for potential sale of real estate	8,000	0	0
Distributions in excess of earnings from unconsolidated joint ventures	0	0	1,305
Net cash used in investing activities	(216,248)	(336,196)	(136,451)
Cash flows from financing activities:
Net borrowings from revolving credit facility	204,046	0	0
Proceeds from issuance of senior unsecured notes	0	791,520	0
Principal payments on senior unsecured notes	0	(300,000)	0
Principal payments on term loans	(63,750)	(455,000)	0
Principal payments on secured debt	(17,516)	(12,661)	(3,072)
Payments of deferred financing costs	(20)	(9,317)	(830)
Payments related to extinguishment of debt	0	(30,196)	0
Payment of contingent consideration	(2,500)	0	0
Issuance of common stock, net	(4,810)	308,713	80,092
Dividends paid on common stock	(277,157)	(262,919)	(278,299)
Net cash (used in) provided by financing activities	(161,707)	30,140	(202,109)
Net (decrease) increase in cash, cash equivalents and restricted cash	(62,222)	50,334	16,292
Effect of foreign currency translation on cash, cash equivalents and restricted cash	268	29	88
Cash, cash equivalents and restricted cash, beginning of period	115,886	65,523	49,143
Cash, cash equivalents and restricted cash, end of period	53,932	115,886	65,523
Supplemental disclosure of cash flow information:
Interest paid	97,723	85,464	92,589
Income taxes paid	1,657	1,839	2,439
Supplemental disclosure of non-cash investing activities:
Decrease in loans receivable and other investments due to acquisition of real estate	14,311	0	20,731
Secured debt assumed by buyer in connection with sale of real estate	$ 0	$ 0	$ 31,830