Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2016

Related Party Transactions [Abstract]

Summary of Fees to Vornado

		Year Ended December 31,
(Amounts in thousands)		2016		2015		2014
Company management fees		$	2,800	$	2,800	$	2,800
Development fees			194		2,435		3,394
Leasing fees			7,401		2,950		1,430
Property management fees and payments for cleaning, engineering
	and security services		4,033		3,614		3,658
		$	14,428	$	11,799	$	11,282