Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2023

Supplemental Cash Flow Elements [Abstract]

The following table provides supplemental cash flow information (in thousands):


	Year Ended December 31,
	2023		2022		2021
Supplemental cash flow information:
Interest paid, net of capitalized interest	$	188,213	$	162,115	$	173,044
Income taxes paid (refunded)	1,923		(1,903)		4,521
Capitalized interest	56,849		41,046		24,084
Cash paid for amounts included in the measurement of lease liability for operating leases	21,488		12,594		10,620
Supplemental schedule of non-cash investing and financing activities:
Increase in ROU asset in exchange for new lease liability related to operating leases	3,951		9,454		28,866
Decrease in ROU asset with corresponding change in lease liability related to operating leases	—		—		8,410
Accrued construction costs	105,572		178,626		179,995
Net noncash impact from the consolidation of property previously held in an unconsolidated joint venture	993		—		—
Retained investment in connection with South San Francisco JVs transaction	—		293,265		—

Seller financing provided on disposition of real estate asset	—		—		559,745













Carrying value of mortgages assumed by buyer in real estate dispositions	—		—		143,676

See Note 8 for discussion of the South San Francisco JVs transaction.

Operating, investing, and financing cash flows in the Consolidated Statements of Cash Flows are reported inclusive of both cash flows from continuing operations and cash flows from discontinued operations. The following table summarizes certain cash flow information related to discontinued operations (in thousands):


	Year Ended December 31,
	2023		2022		2021
Leasing costs, tenant improvements, and recurring capital expenditures	$	—	$	21	$	2,636
Development, redevelopment, and other major improvements of real estate	—		18		5,780
Depreciation and amortization of real estate, in-place lease, and other intangibles	—		—		—

The following table summarizes cash, cash equivalents, and restricted cash (in thousands):


	Year Ended December 31,
	2023		2022		2021		2023		2022		2021		2023		2022		2021
	Continuing operations						Discontinued operations						Total
Beginning of year:
Cash and cash equivalents	$	72,032	$	158,287	$	44,226	$	—	$	7,707	$	53,085	$	72,032	$	165,994	$	97,311
Restricted cash	54,802		53,454		67,206		—		—		17,168		54,802		53,454		84,374
Cash, cash equivalents, and restricted cash	$	126,834	$	211,741	$	111,432	$	—	$	7,707	$	70,253	$	126,834	$	219,448	$	181,685
End of year:
Cash and cash equivalents	$	117,635	$	72,032	$	158,287	$	—	$	—	$	7,707	$	117,635	$	72,032	$	165,994
Restricted cash	51,388		54,802		53,454		—		—		—		51,388		54,802		53,454
Cash, cash equivalents, and restricted cash	$	169,023	$	126,834	$	211,741	$	—	$	—	$	7,707	$	169,023	$	126,834	$	219,448