CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flow from operating activities:
Net income	$ 168,792	$ 125,416	$ 36,590
Adjustments to reconcile net income to net cash flow provided by operating activities:
Depreciation and amortization	203,546	185,768	170,669
Stock-based compensation	7,218	13,533	8,800
Amortization and write-off of debt issuance costs and fair market value of debt adjustments	5,075	4,312	4,601
Loss on debt extinguishment	0	0	16,568
Equity in net income of joint ventures	(27,892)	(47,297)	(1,516)
Reserve of preferred equity interests, net	0	0	19,393
Operating cash distributions from joint ventures	903	5,103	3,258
Gain on sale and change in control of interests, net	(45,581)	(19,185)	(45,464)
Gain on disposition of real estate, net	(46,644)	(6,065)	(1,069)
Impairment charges	2,536	7,270	5,200
Assumption of buildings due to ground lease terminations	(2,900)	0	(3,025)
Change in notes receivable accrued interest	0	0	4,128
Net change in accounts receivable	(5,525)	15,873	(11,654)
Net change in accounts payable and accrued expenses	(125)	(2,986)	(7,749)
Net change in other operating assets and liabilities	(2,141)	773	(8,560)
Total adjustments	88,470	157,099	153,580
Net cash flow provided by operating activities	257,262	282,515	190,170
Cash flow from investing activities:
Real estate acquired, net of liabilities and cash assumed	(335,100)	(130,570)	0
Real estate developed and improvements to operating real estate	(114,825)	(76,563)	(63,816)
Proceeds from disposition of real estate	201,819	29,696	1,553
Proceeds from sale of joint venture interests	39,250	0	140,441
Proceeds from distribution of preferred investment	0	190,000	0
Equity contributions to joint ventures	(167)	(4,599)	(1,068)
Distributions from unconsolidated joint ventures	41,464	65,558	17,868
Repayment of joint venture advances, net	0	929	0
Repayment of notes receivable	0	0	7,500
Net cash flow provided by investing activities	(167,559)	74,451	102,478
Cash flow from financing activities:
Repayment of revolving credit facilities, net	0	(135,000)	130,000
Proceeds from unsecured term loan	100,000	0	0
Payment of debt issuance costs	(7,602)	0	0
Repayment of senior notes, including repayment costs	0	0	(216,568)
Repayment of term loan and mortgage debt	(71,209)	(215,285)	(41,881)
Proceeds from issuance of common shares, net of offering expenses	36,724	224,974	0
Redemption of preferred shares	0	(150,019)	0
Repurchase of common shares in conjunction with equity award plans and dividend reinvestment plan	(5,928)	(6,056)	(2,425)
Repurchase of common shares	(42,256)	0	(7,500)
Acquisition of non-controlling interest	(1,382)	(7,144)	0
Distributions to non-controlling interests and redeemable operating partnership units	(72)	(56)	(641)
Dividends paid	(120,016)	(99,541)	(98,348)
Net cash flow used for financing activities	(111,741)	(388,127)	(237,363)
Effect of foreign exchange rate changes on cash and cash equivalents	0	(1)	(4)
Net (decrease) increase in cash, cash equivalents and restricted cash	(22,038)	(31,161)	55,285
Cash, cash equivalents and restricted cash, beginning of year	43,252	74,414	19,133
Cash, cash equivalents and restricted cash, end of year	$ 21,214	$ 43,252	$ 74,414