Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 14,532	$ 17,882
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization, including amortization of debt issuance costs	7,762	8,958
Straight-lining of rental income	2,139	2,637
Change in fair value of marketable securities	0	(582)
Changes in operating assets and liabilities:
Tenant and other receivables	610	1,286
Other assets	11,445	14,278
Amounts due to Vornado	1,195	430
Accounts payable and accrued expenses	(5,522)	9,240
Other liabilities	24	(163)
Net cash provided by operating activities	32,185	53,966
CASH FLOWS FROM INVESTING ACTIVITIES
Construction in progress and real estate additions	(1,158)	(3,842)
Return of short-term investment	0	3,600
Net cash used in investing activities	(1,158)	(242)
CASH FLOWS FROM FINANCING ACTIVITIES
Dividends paid	(23,060)	(23,050)
Debt issuance costs	0	(35)
Net cash used in financing activities	(23,060)	(23,085)
Net increase in cash and cash equivalents and restricted cash	7,967	30,639
Cash and cash equivalents and restricted cash at beginning of period	483,505	449,877
Cash and cash equivalents and restricted cash at end of period	491,472	480,516
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH
Cash and cash equivalents at beginning of period	463,539	428,710
Restricted cash at beginning of period	19,966	21,167
Cash and cash equivalents and restricted cash at beginning of period	483,505	449,877
Cash and cash equivalents at end of period	472,484	459,384
Restricted cash at end of period	18,988	21,132
Cash and cash equivalents and restricted cash at end of period	491,472	480,516
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash payments for interest	3,728	4,565
NON-CASH TRANSACTIONS
Liability for real estate additions, including $3 and $33 for development fees due to Vornado in 2022 and 2021, respectively	1,232	2,913
Write-off of fully depreciated assets	$ 0	$ 5,628