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Deferred Revenue and Acquisition-Related Intangible Liabilities, net | 12 Months Ended
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Dec. 31, 2021
Revenue from Contract with Customer [Abstract] |
Deferred Revenue and Acquisition-Related Intangible Liabilities, net | Deferred Revenue and Acquisition-Related Intangible Liabilities, net Deferred revenue and acquisition-related intangible liabilities, net consisted of the following at December 31, 2021 and 2020:
| December 31,
| 2021 |  | 2020
| (in thousands)
Deferred revenue related to tenant-funded tenant improvements | $ | 108,002 |  |  | $ | 88,645 |
Other deferred revenue | 40,896 |  |  | 26,533 |
Acquisition-related intangible liabilities, net (1) | 22,253 |  |  | 13,345 |
Total | $ | 171,151 |  |  | $128,523
_____________________ (1)See Note 5 “Deferred Leasing Costs and Acquisition-Related Intangible Assets and Liabilities, net” for additional information regarding our acquisition-related intangible liabilities. Deferred Revenue Related to Tenant-funded Tenant Improvements During the years ended December 31, 2021, 2020, and 2019, $16.5 million, $22.5 million and $19.2 million, respectively, of deferred revenue related to tenant-funded tenant improvements was amortized and recognized as rental income. The following is the estimated amortization of deferred revenue related to tenant-funded tenant improvements as of December 31, 2021 for the next five years and thereafter:
Year Ending | (in thousands)
2022 | $ | 18,331 |
2023 | 16,620 |
2024 | 14,483 |
2025 | 11,771 |
2026 | 10,148 |
Thereafter | 36,649 |
Total | $ | 108,002 |

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- Definition The entire disclosure for deferred revenues and acquisition-related liabilities at the end of the reporting period, and description and amounts of significant changes that occurred during the reporting period. + References No definition available. + Details
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