Acquired Intangible Assets And Liabilities - Schedule of Estimated Annual Amortization of Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Customer Relationship Value
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Remainder of 2021	$ 43,556
2022	173,452
2023	172,784
2024	172,204
2025	171,702
Thereafter	1,499,049
Total	2,232,747	$ 2,422,207
Acquired in-place lease value
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Remainder of 2021	18,376
2022	58,514
2023	47,606
2024	40,948
2025	35,723
Thereafter	111,714
Total	312,881	378,142
Other (excludes power grid rights)
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Remainder of 2021	2,055
2022	8,222
2023	1,484
Total	11,761
Power grid rights
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Total	51,800
Acquired above-market leases
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Remainder of 2021	4,691
2022	11,209
2023	4,759
2024	2,584
2025	1,452
Thereafter	1,585
Total	26,280	$ 43,293
Acquired below-market leases
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Remainder of 2021	(4,487)
2022	(15,934)
2023	(14,249)
2024	(12,637)
2025	(10,741)
Thereafter	(54,590)
Total	$ (112,638)

Below Market Lease, Net of (Above Market Lease), Amortization Income, after Year Four.

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Below Market Lease, Net of (Above Market Lease), Amortization Income, Net.

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Below market lease amortization income in next twelve months following latest fiscal year.

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Below Market Lease, Net of (Above Market Lease), Amortization Income, Remainder of Fiscal Year.

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Below Market Lease, Net of (Above Market Lease), Amortization Income, Year Four.

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Below Market Lease, Net of (Above Market Lease), Amortization Income, Year Three.

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Below Market Lease, Net of (Above Market Lease), Amortization Income, Year Two

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Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in remainder of current fiscal year.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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