Debt Instrument, Percentage of Principal Amount Received

No definition available.

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- Definition

Debt Instrument, Periodic Payment, Number Of Installments

+ References

No definition available.

+ Details

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- Definition

Debt, Weighted Average Interest Rate with Interest Rate Swap Impact

+ References

No definition available.

+ Details

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- Definition

Life Of Credit Facility, Maximum Borrowing Capacity, Aggregate Conditional Total

+ References

No definition available.

+ Details

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- Definition

Life Of Credit Facility, Maximum Borrowing Capacity, Conditional Increase

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

+ Details

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Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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- 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

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629

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Balance Type:	credit
Period Type:	duration

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Balance Type:	debit
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- Details

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Debt - Textuals (Details)	1 Months Ended		12 Months Ended
Debt - Textuals (Details)	Jun. 30, 2017 USD ($) payment	May 31, 2017 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Jul. 27, 2017 USD ($)
Debt Instrument
Outstanding amount			$ 2,802,442,000	$ 1,781,466,000
Proceeds from line of credit			570,000,000	574,000,000	$ 454,000,000
Loss (gain) on extinguishment of debt, net			11,192,000	3,025,000	(123,000)
Healthcare Trust of America Holdings, LP (HTALP)
Debt Instrument
Proceeds from line of credit			570,000,000	574,000,000	454,000,000
Loss (gain) on extinguishment of debt, net			11,192,000	3,025,000	$ (123,000)
Unsecured term loans
Debt Instrument
Outstanding amount			500,000,000	500,000,000
Unsecured term loans \| $300.0 Million Unsecured Term Loan due 2023
Debt Instrument
Outstanding amount			$ 300,000,000			$ 300,000,000
Basis spread on variable rate			1.10%
Weighted average interest rate with interest rate swap impact			2.71%
Unsecured term loans \| $200.0 Million Unsecured Term Loan due 2023 \| Healthcare Trust of America Holdings, LP (HTALP)
Debt Instrument
Basis spread on variable rate			1.65%
Weighted average interest rate with interest rate swap impact			3.07%
Debt instrument, face amount			$ 200,000,000
Unsecured term loans \| LIBOR \| Minimum \| $300.0 Million Unsecured Term Loan due 2023
Debt Instrument
Basis spread on variable rate			0.90%
Unsecured term loans \| LIBOR \| Minimum \| $200.0 Million Unsecured Term Loan due 2023 \| Healthcare Trust of America Holdings, LP (HTALP)
Debt Instrument
Basis spread on variable rate			1.50%
Unsecured term loans \| LIBOR \| Maximum \| $300.0 Million Unsecured Term Loan due 2023
Debt Instrument
Basis spread on variable rate			1.75%
Unsecured term loans \| LIBOR \| Maximum \| $200.0 Million Unsecured Term Loan due 2023 \| Healthcare Trust of America Holdings, LP (HTALP)
Debt Instrument
Basis spread on variable rate			2.45%
Unsecured senior notes
Debt Instrument
Outstanding amount			$ 1,850,000,000	$ 950,000,000
Unsecured senior notes \| $300.0 Million Unsecured Senior Notes due 2021 \| Healthcare Trust of America Holdings, LP (HTALP)
Debt Instrument
Outstanding amount			300,000,000
Debt instrument, face amount			$ 300,000,000
Debt instrument, stated interest rate			3.38%
Debt instrument, percentage of principal amount received			99.21%
Debt instrument, effective interest rate			3.50%
Unsecured senior notes \| $400.0 Million Unsecured Senior Notes due 2022 \| Healthcare Trust of America Holdings, LP (HTALP)
Debt Instrument
Outstanding amount			$ 400,000,000
Debt instrument, face amount	$ 400,000,000
Debt instrument, stated interest rate	2.95%
Debt instrument, percentage of principal amount received	99.94%
Debt instrument, effective interest rate	2.96%
Unsecured senior notes \| $500.0 Million Unsecured Senior Notes due 2027 \| Healthcare Trust of America Holdings, LP (HTALP)
Debt Instrument
Outstanding amount			500,000,000
Debt instrument, face amount	$ 500,000,000
Debt instrument, stated interest rate	3.75%
Debt instrument, percentage of principal amount received	99.49%
Debt instrument, effective interest rate	3.81%
Unsecured senior notes \| $300.0 Million Unsecured Senior Notes due 2023 \| Healthcare Trust of America Holdings, LP (HTALP)
Debt Instrument
Outstanding amount			300,000,000
Debt instrument, face amount			$ 300,000,000
Debt instrument, stated interest rate			3.70%
Debt instrument, percentage of principal amount received			99.19%
Debt instrument, effective interest rate			3.80%
Unsecured senior notes \| $350.0 Million Unsecured Senior Notes due 2026 \| Healthcare Trust of America Holdings, LP (HTALP)
Debt Instrument
Outstanding amount			$ 350,000,000
Debt instrument, face amount			$ 350,000,000
Debt instrument, stated interest rate			3.50%
Debt instrument, percentage of principal amount received			99.72%
Debt instrument, effective interest rate			3.53%
Secured Debt \| Seller Financing Debt
Debt Instrument
Debt instrument, face amount	$ 286,000,000
Debt instrument, stated interest rate	4.00%
Debt instrument interest payable, number of payments \| payment	3
Mortgages
Debt Instrument
Weighted average interest rate with interest rate swap impact			4.39%
Weighted average interest rate			4.27%
Mortgages \| Minimum
Debt Instrument
Debt instrument, effective interest rate			2.85%
Mortgages \| Maximum
Debt Instrument
Debt instrument, effective interest rate			6.39%
Unsecured revolving credit facility
Debt Instrument
Line of credit facility, borrowing capacity						1,300,000,000.0
Maximum borrowing capacity, conditional increase						750,000,000
Conditional maximum borrowing capacity						2,050,000,000
Basis spread on variable rate			1.00%
Line of credit facility, commitment fee			0.20%
Unsecured revolving credit facility \| Minimum
Debt Instrument
Line of credit facility, commitment fee			0.13%
Unsecured revolving credit facility \| Maximum
Debt Instrument
Line of credit facility, commitment fee			0.30%
Unsecured revolving credit facility \| LIBOR \| Minimum
Debt Instrument
Basis spread on variable rate			0.83%
Unsecured revolving credit facility \| LIBOR \| Maximum
Debt Instrument
Basis spread on variable rate			1.55%
Unsecured revolving credit facility \| Line of Credit
Debt Instrument
Line of credit facility, borrowing capacity						$ 1,000,000,000.0
Line of Credit \| Bridge Loan Facility
Debt Instrument
Line of credit facility, borrowing capacity		$ 2,470,000,000
Line of credit facility, expiration period (in days)		364 days
Proceeds from line of credit	$ 0
Loss (gain) on extinguishment of debt, net		$ 10,400,000