Other Assets (Details) (USD $)	3 Months Ended
Mar. 31, 2015	Dec. 31, 2014
Other assets
Straight-line rent assets, net of allowance of $34,231 and $34,182, respectively	$ 359,311,000us-gaap_DeferredRentReceivablesNet	$ 355,864,000us-gaap_DeferredRentReceivablesNet
Allowance on straight-line rent assets	34,231,000hcp_AllowanceForStraightlineRent	34,182,000hcp_AllowanceForStraightlineRent
Marketable debt securities	221,379,000us-gaap_HeldToMaturitySecurities	231,442,000us-gaap_HeldToMaturitySecurities
Leasing costs, net	158,347,000us-gaap_DeferredCostsLeasingNet	146,500,000us-gaap_DeferredCostsLeasingNet
Deferred financing costs, net	52,597,000us-gaap_DeferredFinanceCostsNet	47,592,000us-gaap_DeferredFinanceCostsNet
Goodwill	50,346,000us-gaap_Goodwill	50,346,000us-gaap_Goodwill
Other	166,917,000us-gaap_PrepaidExpenseAndOtherAssets	108,428,000us-gaap_PrepaidExpenseAndOtherAssets
Total other assets	1,008,897,000us-gaap_OtherAssets	940,172,000us-gaap_OtherAssets
Deposit related to acquisition	37,000,000
Loans receivables	1,025,278,000	906,961,000
Brookdale Senior Living
Other assets
Loans receivables	22,000,000	26,000,000
Number of installments	8
HCP Ventures IV
Other assets
Loans receivables	$ 17,000,000	$ 15,000,000
Loan receivable, interest rate payable (as a percent)	12.00%	12.00%

The valuation allowance attributable to straight-line rent assets.

No definition available.

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- Definition

The interest rate that is used to calculate the amount of interest payable for loans receivable.

+ References

No definition available.

+ Details

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- Definition

Represents the number of quarterly payments to be received by the entity in repayment of the loan receivable.

+ References

No definition available.

+ Details

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- Definition

This element represents costs incurred by the lessor that are (a) costs to originate a lease incurred in transactions with independent third parties that (i) result directly from and are essential to acquire that lease and (ii) would not have been incurred had that leasing transaction not occurred and (b) certain costs directly related to specified activities performed by the lessor for that lease. Those activities are: evaluating the prospective lessee's financial condition; evaluating and recording guarantees, collateral, and other security arrangements; negotiating lease terms; preparing and processing lease documents; and closing the transaction. This element is net of accumulated amortization.

+ References

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- Definition

For an unclassified balance sheet, the carrying amount (net of accumulated amortization) as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain.

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-Name Regulation S-X (SX)

-Number 210

-Section 02

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-Article 5

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- Definition

The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property, by the lessor or lessee, respectively. Such receivable is reduced by allowances attributable to, for instance, credit risk associated with a lessee.

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- Definition

Amount of escrow deposit disbursements related to property acquisition in noncash investing or financing transactions.

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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- Definition

The aggregate carrying amounts, as of the balance sheet date, of assets not separately disclosed in the balance sheet.

+ References

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- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets.

+ References

No definition available.

+ Details

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