CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash flow from operating activities:
Net income	$ 531,824	$ 265,721	$ 168,792
Adjustments to reconcile net income to net cash flow provided by operating activities:
Depreciation and amortization	130,901	212,460	203,546
Stock-based compensation	6,835	7,633	7,218
Amortization and write-off of debt issuance costs and fair market value of debt adjustments	47,457	4,465	5,075
Gain on debt extinguishment	(1,037)	0	0
Loss (gain) on derivatives instruments	4,412	(2,103)	0
Equity in net income of joint ventures	(82)	(6,577)	(27,892)
Operating cash distributions from joint ventures	0	264	903
Gain on sale and change in control of interests, net	(2,669)	(3,749)	(45,581)
Gain on disposition of real estate, net	(633,219)	(219,026)	(46,644)
Impairment charges	66,600	0	2,536
Assumption of building due to ground lease termination	(2,678)	0	(2,900)
Net change in accounts receivable	6,005	(7,467)	(5,525)
Net change in accounts payable and accrued expenses	(21,583)	(3,039)	(125)
Net change in other operating assets and liabilities	(20,722)	(10,049)	(2,141)
Total adjustments	(419,780)	(27,188)	88,470
Net cash flow provided by operating activities	112,044	238,533	257,262
Cash flow from investing activities:
Real estate acquired, net of liabilities and cash assumed	(226,079)	(163,423)	(335,100)
Real estate developed and improvements to operating real estate	(58,793)	(109,381)	(114,825)
Proceeds from disposition of real estate	2,126,248	821,689	201,819
Proceeds from disposition of joint venture interests	0	3,405	39,250
Equity contributions to joint ventures	(1,003)	(145)	(167)
Distributions from unconsolidated joint ventures	2,800	10,817	41,464
Repayment of joint venture advances	730	318	0
Payment of swaption agreement fees	0	(3,381)	0
Net cash flow provided by (used for) investing activities	1,843,903	559,899	(167,559)
Cash flow from financing activities:
Proceeds from unsecured term loan	0	0	100,000
Proceeds from mortgage debt	530,000	100,000	0
Payment of loan commitment fees	(7,712)	(13,485)	0
Payment of debt issuance costs	(11,899)	(1,665)	(7,602)
Payment of Curbline loan costs	(5,034)	0	0
Repayment of senior notes	(1,305,920)	(152,823)	0
Repayment of mortgage debt and term loan	(548,889)	(28,523)	(71,209)
Payment of debt extinguishment costs	(8,099)	0	0
Proceeds from terminations of derivatives	8,098	0	0
Repurchase of common shares	0	(26,611)	(42,256)
Proceeds from issuance of common shares, net of offering expenses	0	0	36,724
Repurchase of common shares in conjunction with equity award plans and dividend reinvestment plan	(4,767)	(5,218)	(5,928)
Acquisition of non-controlling interest	0	0	(1,382)
Repurchase of operating partnership units	0	(1,735)	0
Distributions to redeemable operating partnership units	0	(37)	(72)
Contribution of assets to Curbline	(800,000)	0	0
Dividends paid	(128,064)	(120,518)	(120,016)
Net cash flow used for financing activities	(2,457,312)	(250,615)	(111,741)
Net (decrease) increase in cash, cash equivalents and restricted cash	(501,365)	547,817	(22,038)
Cash, cash equivalents and restricted cash, beginning of year	569,031	21,214	43,252
Cash, cash equivalents and restricted cash, end of year	67,666	569,031	21,214
Series A Preferred Stock [Member]
Cash flow from financing activities:
Redemption of preferred shares	$ (175,026)	$ 0	$ 0