v2.3.0.15

Segment Information (Details 2) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenue
Total revenues	$ 565,957	$ 264,665	$ 1,201,078	$ 748,873
United States [Member]
Revenue
Total revenues	542,533	246,358	1,132,047	695,252
Canada [Member]
Revenue
Total revenues	$ 23,424	$ 18,307	$ 69,031	$ 53,621

X

- Definition

Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 5

-Section 03

-Paragraph 1



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

+ Details

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Balance Type:	credit
Period Type:	duration

X

- Definition

Entity Wide Disclosure On Geographic Areas Revenue From External Customers.

+ Details

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Namespace Prefix:	vtr
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration