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Leases - Schedule of Maturities of Lease Liabilities (Detail) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Operating Leases |  |
2021 (excluding the nine months ended September 30, 2021) | $ 187,052 |
2022 | 836,616 |
2023 | 849,198 |
2024 | 863,096 |
2025 | 876,445 |
Thereafter | 27,580,105 |
Total future minimum lease payments | 31,192,512 |
Less: Amount of lease payments representing interest | (19,385,771) |
Total operating lease liabilities | 11,806,741 | $ 8,421,960
Less: Current portion | (31,632) | (31,843)
Long-term portion of lease liabilities | 11,775,109 | 8,390,117
Finance Leases |  |
2021 (excluding the nine months ended September 30, 2021) | 24,688 |
2022 | 81,942 |
2023 | 72,871 |
2024 | 1,029 |
2025 | 514 |
Thereafter | 0 |
Total future minimum lease payments | 181,044 |
Less: Amount of lease payments representing interest | (4,867) |
Total finance lease liabilities | 176,177 | 214,480
Less: Current portion | (84,298) | (80,193)
Long-term portion of lease liabilities | $ 91,879 | $ 134,287

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