Unconsolidated Affiliates and Noncontrolling Interests -Summarized Financial Information (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
ASSETS:
Investment in real estate assets	[1]	$ 1,801,695		$ 1,801,245
Accumulated depreciation	[1]	(247,387)		(228,034)
Net investment in real estate assets	[1]	1,561,787		1,582,111
Developments in progress	[1]	7,479		8,900
Total assets	[1]	2,343,816		2,405,905
LIABILITIES:
Mortgage and other indebtedness, net		1,860,294		1,888,803
Total liabilities	[1]	2,028,966		2,075,288
OWNERS' EQUITY (DEFICIT):
The Company		324,198		339,321
Noncontrolling interests		(9,348)		(8,704)
Total equity		314,850	$ 357,605	330,617	$ 367,129
Total liabilities, redeemable noncontrolling interests and equity		2,343,816		2,405,905
Total revenues	[2],[3]	129,117	136,359
Net income		(474)	514
BI Development II, LLC
ASSETS:
Investment in real estate assets		2,013,008		2,010,269
Accumulated depreciation		(901,569)		(886,712)
Net investment in real estate assets		1,111,439		1,123,557
Developments in progress		19,305		17,261
Net investment in real estate assets		1,130,744		1,140,818
Other assets		198,788		200,289
Total assets		1,329,532		1,341,107
LIABILITIES:
Mortgage and other indebtedness, net		1,359,302		1,368,031
Other liabilities		42,477		45,577
Total liabilities		1,401,779		1,413,608
OWNERS' EQUITY (DEFICIT):
The Company		12,083		12,290
Noncontrolling interests		(84,330)		(84,791)
Total equity		(72,247)		(72,501)
Total liabilities, redeemable noncontrolling interests and equity		1,329,532		$ 1,341,107
Total revenues		63,997	60,533
Net income	[4]	$ 6,264	$ 9,181

[1] As of March 31, 2024, includes $179,986 of assets related to consolidated variable interest entities that can be used only to settle obligations of the consolidated variable interest entities and $205,856 of liabilities of consolidated variable interest entities for which creditors do not have recourse to the general credit of the Company. See Note 7.

[2] Management, development and leasing fees are included in All Other category. See Note 3 for information on the Company’s revenues disaggregated by revenue source for each of the above segments.

[3] Sales taxes are excluded from revenues.

[4] The Company's pro rata share of net income (loss) was $4,594 and $(1,256) for the three months ended March 31, 2024 and 2023, respectively.