Subsequent Events	6 Months Ended
Jun. 30, 2015
Subsequent Events [Abstract]
Subsequent Events [Text Block]	22. Subsequent Events 100 West 33rd Street On July 28, 2015, we completed a $580,000,000 refinancing of 100 West 33rd Street, a 1.1 million square foot property comprised of 851,000 square feet of office space and the 256,000 square foot Manhattan Mall. The loan is interest only at LIBOR plus 1.65%, and matures in July 2020. We realized net proceeds of approximately $242,000,000. 260 Eleventh Avenue On July 31, 2015, we acquired 260 Eleventh Avenue, a 235,000 square foot office property leased to the City of New York through 2021 with two five-year renewal options, a 10,000 square foot parking lot and additional air rights. The 44,000 square foot site is located on Eleventh Avenue from 26th to 27th Streets directly across from the Starrett Lehigh building. The transaction is structured as a 99-year ground lease with an option to purchase the land for $110,000,000. The $3,900,000 annual ground rent and the purchase option price escalate annually at the lesser of 1.5% or CPI. The buildings were purchased for 813,900 newly issued Vornado Operating Partnership units valued at approximately $80,000,000. We intend to redevelop and expand the property to serve the supply constrained West Chelsea office market.

Subsequent Events

6 Months Ended

Jun. 30, 2015

22. Subsequent Events

100 West 33rd Street

On July 28, 2015, we completed a $580,000,000 refinancing of 100 West 33rd Street, a 1.1 million square foot property comprised of 851,000 square feet of office space and the 256,000 square foot Manhattan Mall. The loan is interest only at LIBOR plus 1.65%, and matures in July 2020. We realized net proceeds of approximately $242,000,000.

260 Eleventh Avenue

On July 31, 2015, we acquired 260 Eleventh Avenue, a 235,000 square foot office property leased to the City of New York through 2021 with two five-year renewal options, a 10,000 square foot parking lot and additional air rights. The 44,000 square foot site is located on Eleventh Avenue from 26th to 27th Streets directly across from the Starrett Lehigh building. The transaction is structured as a 99-year ground lease with an option to purchase the land for $110,000,000. The $3,900,000 annual ground rent and the purchase option price escalate annually at the lesser of 1.5% or CPI. The buildings were purchased for 813,900 newly issued Vornado Operating Partnership units valued at approximately $80,000,000. We intend to redevelop and expand the property to serve the supply constrained West Chelsea office market.