The first mortgages and other loans payable collateralized by the respective properties and assignment of leases at September 30, 2014 and December 31, 2013 were as follows (amounts in thousands):



Property	Maturity Date	Interest Rate(1)		September 30, 2014		December 31, 2013
Fixed Rate Debt:
125 Park Avenue⁽²⁾	October 2014	5.75	%	$	146,250	$	146,250
711 Third Avenue	June 2015	4.99	%	120,000		120,000
625 Madison Avenue	November 2015	7.27	%	116,383		120,830
500 West Putnam Avenue	January 2016	5.52	%	23,112		23,529
Landmark Square	December 2016	4.00	%	81,685		82,909
485 Lexington Avenue	February 2017	5.61	%	450,000		450,000
120 West 45th Street	February 2017	6.12	%	170,000		170,000
762 Madison Avenue	February 2017	3.75	%	8,087		8,211
2 Herald Square⁽³⁾	April 2017	5.36	%	191,250		191,250
885 Third Avenue	July 2017	6.26	%	267,650		267,650
388-390 Greenwich Street⁽⁴⁾	June 2018	3.80	%	504,000		—
Other loan payable⁽⁵⁾	September 2019	8.00	%	50,000		50,000
One Madison Avenue	May 2020	5.91	%	571,284		587,336
100 Church	July 2022	4.68	%	229,472		230,000
919 Third Avenue⁽⁶⁾	June 2023	5.12	%	500,000		500,000
400 East 57th Street	February 2024	4.13	%	69,201		70,000
400 East 58th Street	February 2024	4.13	%	29,658		30,000
420 Lexington Avenue⁽⁷⁾	October 2024	6.77	%	300,000		182,641
1515 Broadway	March 2025	3.93	%	900,000		900,000
Series J Preferred Units⁽⁸⁾	April 2051	3.75	%	4,000		—
609 Partners, LLC⁽⁹⁾	—	—		—		23
Total fixed rate debt				$	4,732,032	$	4,130,629
Floating Rate Debt:
Master repurchase agreement⁽¹⁰⁾	December 2014	3.37	%	100,000		91,000
180 Maiden Lane⁽¹¹⁾	November 2016	2.34	%	256,152		262,706
388-390 Greenwich Street⁽⁴⁾	June 2018	1.91	%	946,000		—
248-252 Bedford Avenue⁽¹²⁾	June 2019	1.66	%	29,000		22,000
220 East 42nd Street	October 2020	1.76	%	275,000		275,000
16 Court Street⁽¹³⁾	0	0		—		79,243
Total floating rate debt				$	1,606,152	$	729,949
Total mortgages and other loans payable⁽¹⁴⁾				$	6,338,184	$	4,860,578

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(1)	Effective weighted average interest rate for the three months ended September 30, 2014, taking into account interest rate hedges in effect during the period.


(2)	This loan was repaid at maturity.


(3)	This property is held for sale at September 30, 2014 and the related mortgage is included in liabilities related to assets held for sale.


(4)	Simultaneous with the acquisition of our joint venture partner's interest, we refinanced the $1.1 billion floating rate mortgage with a $1.5 billion seven-year floating rate mortgage, and have consolidated the property.


(5)	This loan is secured by a portion of a preferred equity investment.


(6)	We own a 51.0% controlling interest in the joint venture that is the borrower on this loan.


(7)	In September 2014, we refinanced the $181.0 million fixed rate mortgage with a $300.0 million 10-year fixed rate mortgage and incurred a loss on early extinguishment of debt of $24.5 million, which consisted mainly of a prepayment penalty fee.

(8)

In connection with the acquisition of a commercial real estate property, the Operating Partnership issued $4.0 million or 4,000 3.75% Series J Preferred Units of limited partnership interest, of the Series J Preferred Units, with a mandatory liquidation preference of $1,000.00 per unit. The Series J Preferred Units can be redeemed in cash by the Operating Partnership on the earlier of (i) the date of the sale of the property or (ii) April 30, 2051 or at the option of the unitholders as further prescribed in the related agreement.


(9)	In April 2014, the remaining 22,658 Series E Preferred Units of the Operating Partnership were canceled.


(10)	The Master Repurchase Agreement, or MRA, has a maximum facility capacity of $300.0 million.


(11)	In connection with this consolidated joint venture obligation, we executed a master lease agreement. Our partner has executed a contribution agreement to reflect its pro rata share of the obligation under the master lease. This property is held for sale at September 30, 2014 and the related mortgage is included in liabilities related to assets held for sale.


(12)	In June 2014, we replaced the previous floating rate mortgage with a $29.0 million, five-year floating rate mortgage and incurred a net loss on early extinguishment of debt of $0.5 million.


(13)	In April 2014, we repaid the loan and incurred a loss on early extinguishment of debt of $0.5 million.


(14)	Includes mortgages related to 2 Herald Square and 180 Maiden, which are currently held for sale.