Consolidated Statements of Cash Flows (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Capitalized interest	$ 67,980	$ 67,402	$ 43,071
Cash and cash equivalents and restricted cash included in the spin-off of JBG SMITH Properties ($275,000 plus The Bartlett financing proceeds less transaction costs and other mortgage items)	0	0	(416,237)
Transaction related costs	4,613	6,217	1,776
Vornado Realty L.P.
Capitalized interest	67,980	67,402	43,071
Cash and cash equivalents and restricted cash included in the spin-off of JBG SMITH Properties ($275,000 plus The Bartlett financing proceeds less transaction costs and other mortgage items)	0	$ 0	(416,237)
JBGS
Cash and cash equivalents and restricted cash included in the spin-off of JBG SMITH Properties ($275,000 plus The Bartlett financing proceeds less transaction costs and other mortgage items)			(275,000)
JBGS | Vornado Realty L.P.
Cash and cash equivalents and restricted cash included in the spin-off of JBG SMITH Properties ($275,000 plus The Bartlett financing proceeds less transaction costs and other mortgage items)			$ (275,000)
Fifth Avenue and Times Square JV
Deconsolidated restricted cash	10,899
Transaction related costs	35,562
Fifth Avenue and Times Square JV | Vornado Realty L.P.
Deconsolidated restricted cash	10,899
Transaction related costs	$ 35,562