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v3.20.4

Accounts payable, accrued expenses and other liabilities | 12 Months Ended
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Dec. 31, 2020
Payables and Accruals [Abstract] |
Accounts payable, accrued expenses and other liabilities | Accounts payable, accrued expenses and other liabilities Accounts payable, accrued expenses and other liabilities consisted of the following as of December 31, 2020 and 2019:
| As of December 31,
| 2020 |  | 2019
Deferred revenue | $ | 399,820 |  |  | $ | 389,958 |
Accrued interest | 270,576 |  |  | 255,369 |
Accounts payable and accrued expenses | 222,203 |  |  | 239,086 |
Derivative liabilities (Note 10) | 167,303 |  |  | 97,066 |
Operating lease liabilities (Note 15) | 49,423 |  |  | 51,144 |
| $ | 1,109,325 |  |  | $ | 1,032,623 |

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