The first mortgages and other loans payable collateralized by the respective properties and assignment of leases or debt investments at June 30, 2018 and December 31, 2017, respectively, were as follows (amounts in thousands):



Property	Maturity Date	Interest Rate ⁽¹⁾			June 30, 2018			December 31, 2017
Fixed Rate Debt:
One Madison Avenue	May 2020		5.91	%	$	469,564		$	486,153
762 Madison Avenue	February 2022		5.00	%	771			771
100 Church Street	July 2022		4.68	%	215,223			217,273
420 Lexington Avenue	October 2024		3.99	%	300,000			300,000
400 East 58th Street ⁽²⁾	November 2026		3.00	%	40,000			40,000
Landmark Square	January 2027		4.90	%	100,000			100,000
485 Lexington Avenue	February 2027		4.25	%	450,000			450,000
1080 Amsterdam ⁽³⁾	February 2027		3.58	%	36,138			36,363
315 West 33rd Street	February 2027		4.17	%	250,000			250,000
919 Third Avenue ⁽⁴⁾					—			500,000
Unsecured Loan ⁽⁵⁾					—			16,000
Series J Preferred Units ⁽⁶⁾					—			4,000
Total fixed rate debt					$	1,861,696		$	2,400,560
Floating Rate Debt:
719 Seventh Avenue	February 2019	L+	3.05	%	$	44,000		$	41,622
183, 187 Broadway & 5-7 Dey Street ⁽⁷⁾	May 2019	L+	2.70	%	58,000			58,000
2017 Master Repurchase Agreement ⁽⁸⁾	June 2019	L+	2.34	%	300,000			90,809
220 East 42nd Street	October 2020	L+	1.60	%	275,000			275,000
Total floating rate debt					$	677,000		$	465,431
Total fixed rate and floating rate debt					$	2,538,696		$	2,865,991
Mortgages reclassed to liabilities related to assets held for sale					—			—
Total mortgages and other loans payable					$	2,538,696		$	2,865,991
Deferred financing costs, net of amortization					(21,599		)	(28,709		)
Total mortgages and other loans payable, net					$	2,517,097		$	2,837,282


(1)	Interest rate as of June 30, 2018, taking into account interest rate hedges in effect during the period. Floating rate debt is presented with the stated interest rate spread over 30-day LIBOR, unless otherwise specified.


(2)	The loan carries a fixed interest rate of 300 basis points for the first five years and is prepayable without penalty at the end of year five.


(3)	The loan is comprised of a $35.5 million mortgage loan and $0.9 million subordinate loan with a fixed interest rate of 350 basis points and 700 basis points, respectively, for the first five years and is prepayable without penalty at the end of year five.


(4)	Our investment in the property was deconsolidated as of January 1, 2018. See Note 6, "Investments in Unconsolidated Joint Ventures".


(5)	In May 2018, the loan was repaid in connection with the sale of property.


(6)	In June 2018, the Series J Preferred Units were redeemed in connection with the sale of the property.


(7)	In May 2018, we exercised a 12-month extension option.


(8)	In June 2018, we exercised a 12-month extension option.