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Acquired Intangible Assets and Liabilities (Tables) | 9 Months Ended
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Sep. 30, 2025
Acquired Intangible Assets and Liabilities |
Summary of Acquired Intangible Assets and Liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Balance as of
​ | ​ | September 30, 2025 | ​ | December 31, 2024
(Amounts in thousands) | ​ | ​ | Gross Carrying Amount | ​ | ​ | Accumulated Amortization | ​ | ​ | Net Carrying Amount | ​ | ​ | Gross Carrying Amount | ​ | ​ | Accumulated Amortization | ​ | ​ | Net Carrying Amount
Customer relationship value | ​ | $ | 2,896,294 | ​ | $ | (1,222,451) | ​ | $ | 1,673,843 | ​ | $ | 2,783,428 | ​ | $ | (1,080,547) | ​ | $ | 1,702,881
Acquired in-place lease value | ​ | ​ | 982,586 | ​ | ​ | (834,740) | ​ | ​ | 147,846 | ​ | ​ | 1,043,706 | ​ | ​ | (863,021) | ​ | ​ | 180,685
Other | ​ | ​ | 108,785 | ​ | ​ | (42,748) | ​ | ​ | 66,037 | ​ | ​ | 122,638 | ​ | ​ | (36,038) | ​ | ​ | 86,600
Acquired above-market leases | ​ | ​ | 110,957 | ​ | ​ | (108,828) | ​ | ​ | 2,129 | ​ | ​ | 126,322 | ​ | ​ | (122,714) | ​ | ​ | 3,608
Acquired below-market leases | ​ | ​ | (241,707) | ​ | ​ | 207,746 | ​ | ​ | (33,961) | ​ | ​ | (258,243) | ​ | ​ | 219,672 | ​ | ​ | (38,571)
Total | ​ | $ | 3,856,915 | ​ | $ | (2,001,021) | ​ | $ | 1,855,894 | ​ | $ | 3,817,851 | ​ | $ | (1,882,648) | ​ | $ | 1,935,203
Schedule of Estimated Annual Amortization of Acquired of Intangible Assets | Estimated annual amortization for each of the five succeeding years and thereafter, commencing October 1, 2025 is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(Amounts in thousands) | ​ | Customer relationship value | ​ | ​ | Acquired in-place lease value | ​ | ​ | Other | ​ | ​ | Acquired above-market leases | ​ | ​ | Acquired below-market leases
2025 | $ | 87,403 | ​ | $ | 13,290 | ​ | $ | 18,779 | ​ | $ | 119 | ​ | $ | (2,218)
2026 |  | 212,769 | ​ |  | 45,975 | ​ |  | 6,321 | ​ |  | 475 | ​ |  | (6,372)
2027 |  | 212,730 | ​ |  | 36,717 | ​ |  | 6,321 | ​ |  | 475 | ​ |  | (5,760)
2028 |  | 191,808 | ​ |  | 18,863 | ​ |  | 6,339 | ​ |  | 475 | ​ |  | (5,686)
2029 |  | 159,859 | ​ |  | 10,008 | ​ |  | 6,393 | ​ |  | 442 | ​ |  | (5,686)
Thereafter |  | 809,274 | ​ |  | 22,993 | ​ |  | 21,884 | ​ |  | 143 | ​ |  | (8,239)
Total | $ | 1,673,843 | ​ | $ | 147,846 | ​ | $ | 66,037 | ​ | $ | 2,129 | ​ | $ | (33,961)
​

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- Definition Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-1 + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details
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