CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flow from operating activities:
Net income	$ 265,721	$ 168,792	$ 125,416
Adjustments to reconcile net income to net cash flow provided by operating activities:
Depreciation and amortization	212,460	203,546	185,768
Stock-based compensation	7,633	7,218	13,533
Amortization and write-off of debt issuance costs and fair market value of debt adjustments	4,465	5,075	4,312
Other income - unrealized gain on derivatives	(2,103)	0	0
Equity in net income of joint ventures	(6,577)	(27,892)	(47,297)
Operating cash distributions from joint ventures	264	903	5,103
Gain on sale and change in control of interests, net	(3,749)	(45,581)	(19,185)
Gain on disposition of real estate, net	(219,026)	(46,644)	(6,065)
Impairment charges	0	2,536	7,270
Assumption of buildings due to ground lease terminations	0	(2,900)	0
Net change in accounts receivable	(7,467)	(5,525)	15,873
Net change in accounts payable and accrued expenses	(3,039)	(125)	(2,986)
Net change in other operating assets and liabilities	(10,049)	(2,141)	773
Total adjustments	(27,188)	88,470	157,099
Net cash flow provided by operating activities	238,533	257,262	282,515
Cash flow from investing activities:
Real estate acquired, net of liabilities and cash assumed	(163,423)	(335,100)	(130,570)
Real estate developed and improvements to operating real estate	(109,381)	(114,825)	(76,563)
Proceeds from disposition of real estate	821,689	201,819	29,696
Proceeds from disposition of joint venture interests	3,405	39,250	0
Proceeds from distribution of preferred investment	0	0	190,000
Equity contributions to joint ventures	(145)	(167)	(4,599)
Distributions from unconsolidated joint ventures	10,817	41,464	65,558
Repayment of joint venture advances	318	0	929
Payment of swaption agreement fees	(3,381)	0	0
Net cash flow provided by (used for) investing activities	559,899	(167,559)	74,451
Cash flow from financing activities:
Repayment of revolving credit facilities, net	0	0	(135,000)
Proceeds from unsecured term loan	0	100,000	0
Proceeds from mortgage debt	100,000	0	0
Payment of loan commitment fees	(13,485)	0	0
Payment of debt issuance costs	(1,665)	(7,602)	0
Repayment of senior notes	(152,823)	0	0
Repayment of mortgage debt	(28,523)	(71,209)	(215,285)
Repurchase of common shares	(26,611)	(42,256)	0
Proceeds from issuance of common shares, net of offering expenses	0	36,724	224,974
Redemption of preferred shares	0	0	(150,019)
Repurchase of common shares in conjunction with equity award plans and dividend reinvestment plan	(5,218)	(5,928)	(6,056)
Acquisition of non-controlling interest	0	(1,382)	(7,144)
Repurchase of operating partnership units	(1,735)	0	0
Distributions to redeemable operating partnership units	(37)	(72)	(56)
Dividends paid	(120,518)	(120,016)	(99,541)
Net cash flow used for financing activities	(250,615)	(111,741)	(388,127)
Effect of foreign exchange rate changes on cash and cash equivalents	0	0	(1)
Net increase (decrease) in cash, cash equivalents and restricted cash	547,817	(22,038)	(31,161)
Cash, cash equivalents and restricted cash, beginning of year	21,214	43,252	74,414
Cash, cash equivalents and restricted cash, end of year	$ 569,031	$ 21,214	$ 43,252