Business Combination, Consideration Transferred, Equity Interests Issuable, Conversion Ratio

No definition available.

Name:	hta_BusinessCombinationConsiderationTransferredEquityInterestsIssuableConversionRatio
Namespace Prefix:	hta_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Business Combination, Merger Agreement, Special Distribution Payment

+ References

No definition available.

+ Details

Name:	hta_BusinessCombinationMergerAgreementSpecialDistributionPayment
Namespace Prefix:	hta_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
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_BusinessAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Face amount or stated value per share of common stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of states the entity operates in as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

+ Details

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

- Details

Name:	us-gaap_BusinessAcquisitionAxis=hta_MergerAgreementWithHealthcareRealtyTrustIncorporatedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=hta_HealthcareRealtyTrustIncorporatedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Organization and Description of Business (Details)	Jul. 20, 2022 $ / shares shares	Jul. 19, 2022 $ / shares	Jun. 30, 2022 state $ / shares	Dec. 31, 2021 $ / shares
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of states in which the Company operates \| state			32
Business Acquisition [Line Items]
Common stock, par value (in dollars per share)			$ 0.01	$ 0.01
Merger Agreement with Healthcare Realty Trust Incorporated \| Subsequent Event
Business Acquisition [Line Items]
Common stock, par value (in dollars per share)	$ 0.01
Merger agreement conversion ratio (in shares) \| shares	1.0
Special distribution payment (in dollars per share)		$ 4.82
Healthcare Realty Trust Incorporated \| Merger Agreement with Healthcare Realty Trust Incorporated \| Subsequent Event
Business Acquisition [Line Items]
Common stock, par value (in dollars per share)	$ 0.01