Derivatives Instruments and Hedging Activities (Tables)

9 Months Ended

Sep. 30, 2015

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Summary of Outstanding Interest Rate Swaps

The table below provides additional details on our interest rate swaps that are not designated as hedges

	Notional				Strike			Fair Value as of
Property	Amount		Effective Date	Maturity Date	Rate			September 30, 2015		December 31, 2014
(Amounts in thousands)
1633 Broadway	$	772,100	Dec-2006 to Jun-2008	Dec-2016		4.92	%	$	40,043	$	60,191
900 Third Ave		255,000	Nov-2007 to Nov-2012	Nov-2015 to Nov-2017		4.15	%		14,495		19,158
31 W 52nd Street		337,500	Dec-2007 to Dec-2012	Dec-2015 to Dec-2017		4.49	%		22,114		28,748
One Market Plaza		840,000	Aug-2007 to Aug-2012	Aug-2017		5.02	%		68,047		86,099
Total interest rate swap liabilities related to non-designated hedges								$	144,699	$	194,196

The table below provides additional details on our interest rate swaps that are designated as cash flow hedges.

	Notional				Strike			Fair Value as of
Property	Amount		Effective Date	Maturity Date	Rate			September 30, 2015		December 31, 2014
(Amounts in thousands)
1633 Broadway	$	1,000,000	Dec-2015	Dec-2020 to Dec-2022		1.79	%	$	18,602	$	-
Total interest rate swap liabilities related to cash flow hedges								$	18,602	$	-