Disposition Sales Price

No definition available.

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- Definition

Investment in real estate properties subject to outstanding contractual option to purchase.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Number of customer account.

+ References

No definition available.

+ Details

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- Details

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13537-108611

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13531-108611

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

+ Details

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Period Type:	duration

- Definition

Cash received from the sale of real estate that is held for investment, that is, it is part of an investing activity during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.1(d))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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Balance Type:	debit
Period Type:	instant

- Details

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- Details

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- Details

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Real Estate Leases - Narrative (Details) (USD $)	12 Months Ended
Real Estate Leases - Narrative (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012 Customers	Mar. 31, 2015
Concentration Risk [Line Items]
Proceeds from sale of cost method investment in real estate	$ 37,200,000	$ 96,700,000
Approximate Investment in real estate properties subject to outstanding contractual option to purchase	162,200,000
Assets held for sale, net	2,557,608,000us-gaap_RealEstateInvestmentPropertyNet	2,435,078,000us-gaap_RealEstateInvestmentPropertyNet
Disposition Sales Price	34,900,000hr_DispositionSalesPrice	101,900,000hr_DispositionSalesPrice
Customer Concentration Risk [Member] \| Sales Revenue, Net [Member]
Concentration Risk [Line Items]
Number of customer account for 10% or more of company's revenues including revenue from discontinued operations			0
Customer Concentration Risk [Member] \| Sales Revenue, Net [Member] \| Baylor Health System [Member]
Concentration Risk [Line Items]
Number of customer account for 10% or more of company's revenues including revenue from discontinued operations	1	1
Concentration Risk, Percentage	10.00%	11.00%
Potential Disposition [Member] \| PENNSYLVANIA
Concentration Risk [Line Items]
Assets held for sale, net	7,700,000
Scenario, Forecast [Member] \| Potential Disposition [Member] \| PENNSYLVANIA
Concentration Risk [Line Items]
Disposition Sales Price				$ 15,000,000