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- References

No definition available.

Name:	aei20_RealEstateInvestmentsDetailsLineItems
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Amount of allowance for credit loss on financing receivable, classified as current.

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Amount of non-cash amortization of intangible asset (liability) for above and below market leases.

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Amount of amortization of acquired leases acquired as part of a real property acquisition at below market lease rate with a finite life.

No definition available.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

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The expense recognized in the current period that allocates the cost of nonproduction tangible assets over their useful lives.

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Date the entity disposed of a business or a group of assets, in CCYY-MM-DD format.

No definition available.

Name:	us-gaap_DisposalDate1
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Balance Type:	na
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This element represents the amount of value allocated by a lessor (acquirer) to lease agreements which exist at acquisition of a leased property. Such amount may include the value assigned to existing tenant relationships and excludes the market adjustment component of the value assigned for above or below-market leases acquired.

No definition available.

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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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This item represents an incentive or inducement contractually stipulated between parties to a lease whereby the lessor has committed to provide the entity (lessee) with a cash payment as inducement to enter the lease.

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Amount awarded from other party in judgment or settlement of litigation.

No definition available.

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Amount of cash outflow for the allowance granted to lessee and/or direct costs incurred by lessor used to prepare the leased premises for tenant's occupancy.

No definition available.

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The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.

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Cash received for the sale of real estate that is not part of an investing activity during the current period.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount of accumulated depreciation pertaining to real estate investments for entities with a substantial portion of business acquiring and holding investment real estate.

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Amount of real estate investments sold for entities with a substantial portion of business acquiring and holding investment real estate.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=aei20_StaplesVernonHillsILMember
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Namespace Prefix:
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