Litigation (Details) (USD $) In Millions | 1 Months Ended | |||
|---|---|---|---|---|
Aug. 31, 2011 | Jul. 31, 2011 | Aug. 23, 2011 | Dec. 11, 2009 | |
| Loss Contingencies [Line Items] | ||||
| Accrual for contingent fees for outside legal counsel | $ 5.75 | |||
| Litigation (Textuals) [Abstract] | ||||
| Compensatory damages, awarded in Litigation related to the Sunrise REIT Acquisition | 101.6 | |||
| Security by HCP, in letter of credit | 102.8 | |||
| Net proceeds from compensatory damages award | 85 | |||
| Donation to ventas charitable foundation | 3 | |||
HCP Inc [Member] | ||||
| Loss Contingencies [Line Items] | ||||
| Payment for Judgment Plus costs and interest | $ 102.8 | |||