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Redeemable Noncontrolling Interests in Operating Partnership - Redeemable Noncontrolling Interests and Declared Aggregate Cash Distributions to Holders (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Noncontrolling Interest [Abstract] |  |  |  |
Net (income) loss attributable to redeemable noncontrolling interests in operating partnership | $ 889 | $ 231 | $ 1,838 | $ 679

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- Definition Comprehensive Income (Loss), Net Of Tax, Portion Attributable To Redeemable Noncontrolling Interest + References No definition available. + Details
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Namespace Prefix: | aht_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration