Asset Acquisition, Acquisition Costs

No definition available.

Name:	aht_AssetAcquisitionAcquisitionCosts
Namespace Prefix:	aht_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Asset Acquisition, Percentage of Voting Interests Acquired

+ References

No definition available.

+ Details

Name:	aht_AssetAcquisitionPercentageOfVotingInterestsAcquired
Namespace Prefix:	aht_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Cost basis of real estate investments for federal income tax purposes for entities with a substantial portion of business acquiring and holding investment real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Footnote 6
-Subsection 28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 970
-SubTopic 360
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-28(Footnote 6))
-URI https://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024

+ Details

Name:	srt_RealEstateFederalIncomeTaxBasis
Namespace Prefix:	srt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_AssetAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

+ Details

Name:	us-gaap_Depreciation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount, after accumulated amortization, of right-of-use asset from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

+ Details

Name:	us-gaap_FinanceLeaseRightOfUseAsset
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_AssetAcquisitionAxis=aht_MariettaLeaseholdLPAssetAcquisitionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Investments in Hotel Properties, net - Narrative (Details) - USD ($) $ in Thousands		12 Months Ended
	Dec. 16, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Asset Acquisition [Line Items]
Depreciation		$ 201,400	$ 218,500	$ 252,400
Finance lease assets	$ 18,800	18,972	$ 0
Cost of land and depreciable property for federal income tax purposes		2,900,000
Marietta Leasehold LP Asset Acquisition
Asset Acquisition [Line Items]
Interest acquired	100.00%
Finance lease assets	$ 19,000	$ 19,000
Finance lease asset, acquisition costs	$ 151