The number of general partner units outstanding.

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- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 272

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

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- Definition

The number of limited partner units issued.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 5

-Subparagraph (SAB TOPIC 4.F)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 272

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055

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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 4

-Section F

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- Definition

The number of limited partner units outstanding.

+ References

+ Details

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- Definition

Total change in each class of partners' capital accounts during the year due to redemptions and adjustments to redemption value. All partners include general, limited and preferred partners.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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- Definition

The number of units redeemed during the year of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners.

+ References

+ Details

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- Definition

As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 480

-SubTopic 10

-Section S99

-Paragraph 3A

-Subparagraph (12)(c)

-URI http://asc.fasb.org/extlink&oid=27011957&loc=SL6540498-122764

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 480

-SubTopic 10

-Section S99

-Paragraph 3A

-Subparagraph (16)(c)

-URI http://asc.fasb.org/extlink&oid=27011957&loc=SL6540498-122764

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 480

-SubTopic 10

-Section S99

-Paragraph 3A

-Subparagraph 15

-URI http://asc.fasb.org/extlink&oid=27011957&loc=SL6540498-122764

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 480

-SubTopic 10

-Section S99

-Paragraph 3A

-Subparagraph 14

-URI http://asc.fasb.org/extlink&oid=27011957&loc=SL6540498-122764

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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

Business Combination, Consideration Transferred, Stock Conversion Ratio, Per Acquiree Share

+ References

No definition available.

+ Details

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- Definition

Unit conversion factor for common stock assigned at the time of the merger.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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ACCOUNTING POLICIES - Redeemable OP Unitholder and Noncontrolling Interest (Details) $ in Millions		1 Months Ended	6 Months Ended
	Jan. 16, 2015 shares	Apr. 30, 2015 USD ($) shares	Jun. 30, 2015 USD ($) shares	Dec. 31, 2014 USD ($)
Redeemable Noncontrolling Interest [Line Items]
Fair value of operating partnership units exceeding cost \| $			$ 190.5	$ 159.1
NHP/PMB L.P.
Redeemable Noncontrolling Interest [Line Items]
Unit conversion factor for common stock			0.7866
NHP/PMB L.P. \| Limited Partner
Redeemable Noncontrolling Interest [Line Items]
Limited partnership units, outstanding (in shares)			2,812,318
Percentage of ownership interest on total units outstanding			28.90%
NHP/PMB L.P. \| General Partner
Redeemable Noncontrolling Interest [Line Items]
Percentage of ownership interest on total units outstanding			71.10%
Limited partnership units outstanding (in shares)			6,917,009
American Realty Capital Healthcare Trust
Redeemable Noncontrolling Interest [Line Items]
Limited partnership units, outstanding (in shares)	7,057,271
Business combination, consideration transferred, stock conversion ratio, per acquiree share	0.1688
American Realty Capital Healthcare Trust \| General Partner
Redeemable Noncontrolling Interest [Line Items]
Limited partnership units, issued (in shares)	7,057,271
Ventas Realty OP \| Limited Partner
Redeemable Noncontrolling Interest [Line Items]
Percentage of ownership interest on total units outstanding			2.30%
Ventas Realty OP \| Limited Partner \| Class C Units
Redeemable Noncontrolling Interest [Line Items]
Limited partnership units, outstanding (in shares)			672,984
Partners' capital account, units, redeemed		445,541
Partners' capital account, redemptions \| $		$ 32.6
Ventas Realty OP \| General Partner
Redeemable Noncontrolling Interest [Line Items]
Percentage of ownership interest on total units outstanding			97.70%
Ventas Realty OP \| General Partner \| Class C Units
Redeemable Noncontrolling Interest [Line Items]
Limited partnership units outstanding (in shares)			28,550,812
Ventas Realty OP \| General Partner \| Ventas Realty OP Units
Redeemable Noncontrolling Interest [Line Items]
Limited partnership units outstanding (in shares)			176,374