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Mortgages and Other Loans Payable (Tables) | 6 Months Ended
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Jun. 30, 2018
Mortgages and Other Loans Payable |
Schedule of first mortgages and other loans payable collateralized by the respective properties and assignment of leases | 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.

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