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Real Estate Property Investments (Details) $ / shares in Units, $ in Thousands, £ in Millions |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 07, 2015 USD ($) | Jun. 30, 2015 USD ($) | Mar. 29, 2015 USD ($) | Oct. 31, 2015 USD ($) | Jun. 30, 2015 USD ($) property item | Apr. 30, 2015 GBP (£) | Mar. 31, 2016 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2015 GBP (£) | Sep. 30, 2015 USD ($) $ / shares | Dec. 31, 2015 USD ($) | Oct. 31, 2016
Acquisition |  |  |  |  |  |  |  |  |  |  |  |
Net termination fee revenue |  |  |  |  |  |  |  |  |  | $ 1,103 |  |
Real estate acquisitions |  |  |  |  |  |  |  |  |  |  |  |
Consideration, Cash Paid |  |  |  |  |  |  |  | $ 257,242 |  |  |  |
Consideration, Cash Paid/Debt Settled |  |  |  |  |  |  |  |  |  | 777,081 |  |
Consideration, Liabilities assumed |  |  |  |  |  |  |  | 78,131 |  | 21,076 |  |
Consideration, Noncontrolling Interest |  |  |  |  |  |  |  |  |  | 3,885 |  |
Assets Acquired, Real Estate |  |  |  |  |  |  |  | 313,422 |  | 710,396 |  |
Assets Acquired, Net Intangibles |  |  |  |  |  |  |  | 21,951 |  | 91,646 |  |
Funding for construction, tenant and other capital improvements |  |  |  |  |  |  |  | 339,584 |  | 253,929 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  |  |  |  |  |  |  | 78,131 |  | 21,076 |  |
HCP Ventures V |  |  |  |  |  |  |  |  |  |  |  |
Acquisition |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling interest (as a percent) | 49.00% |  |  | 49.00% |  |  |  |  |  |  |  |
Real estate acquisitions |  |  |  |  |  |  |  |  |  |  |  |
Consideration received from sale of noncontrolling interest in HCP Ventures V | $ 110,000 |  |  | $ 110,000 |  |  |  |  |  |  |  |
HC-One Facility |  |  |  |  |  |  |  |  |  |  |  |
Real estate acquisitions |  |  |  |  |  |  |  |  |  |  |  |
Amount of facility converted into sale-leaseback transaction |  |  |  |  |  | £ 174 |  |  | £ 174 | 254,000 |  |
Subsequent event |  |  |  |  |  |  |  |  |  |  |  |
Real estate acquisitions |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 9.00%
SH NNN |  |  |  |  |  |  |  |  |  |  |  |
Real estate acquisitions |  |  |  |  |  |  |  |  |  |  |  |
Consideration, Cash Paid |  |  |  |  |  |  |  | 76,362 |  |  |  |
Consideration, Cash Paid/Debt Settled |  |  |  |  |  |  |  |  |  | 208 |  |
Consideration, Liabilities assumed |  |  |  |  |  |  |  | 1,200 |  |  |  |
Assets Acquired, Real Estate |  |  |  |  |  |  |  | 71,875 |  | 208 |  |
Assets Acquired, Net Intangibles |  |  |  |  |  |  |  | 5,687 |  |  |  |
Funding for construction, tenant and other capital improvements |  |  |  |  |  |  |  | 35,687 |  | 27,289 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  |  |  |  |  |  |  | 1,200 |  |  |  |
SHOP |  |  |  |  |  |  |  |  |  |  |  |
Real estate acquisitions |  |  |  |  |  |  |  |  |  |  |  |
Consideration, Cash Paid |  |  |  |  |  |  |  | 113,971 |  |  |  |
Consideration, Cash Paid/Debt Settled |  |  |  |  |  |  |  |  |  | 103,296 |  |
Consideration, Liabilities assumed |  |  |  |  |  |  |  | 76,931 |  | 1,373 |  |
Consideration, Noncontrolling Interest |  |  |  |  |  |  |  |  |  | 3,885 |  |
Assets Acquired, Real Estate |  |  |  |  |  |  |  | 177,551 |  | 102,579 |  |
Assets Acquired, Net Intangibles |  |  |  |  |  |  |  | 13,351 |  | 5,975 |  |
Funding for construction, tenant and other capital improvements |  |  |  |  |  |  |  | 55,795 |  | 49,351 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  |  |  |  |  |  |  | 76,931 |  | 1,373 |  |
Other |  |  |  |  |  |  |  |  |  |  |  |
Real estate acquisitions |  |  |  |  |  |  |  |  |  |  |  |
Consideration, Cash Paid |  |  |  |  |  |  |  | 17,909 |  |  |  |
Consideration, Cash Paid/Debt Settled |  |  |  |  |  |  |  |  |  | 296,226 |  |
Consideration, Liabilities assumed |  |  |  |  |  |  |  |  |  | 6,854 |  |
Assets Acquired, Real Estate |  |  |  |  |  |  |  | 16,596 |  | 257,960 |  |
Assets Acquired, Net Intangibles |  |  |  |  |  |  |  | 1,313 |  | 45,120 |  |
Funding for construction, tenant and other capital improvements |  |  |  |  |  |  |  | 6,840 |  | 3,406 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  |  |  |  |  |  |  |  |  | 6,854 |  |
Post-acute/skilled nursing |  |  |  |  |  |  |  |  |  |  |  |
Real estate acquisitions |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price |  |  | $ 275,000 |  |  |  | $ 92,000 |  |  |  | $ 183,000 |
Life science |  |  |  |  |  |  |  |  |  |  |  |
Real estate acquisitions |  |  |  |  |  |  |  |  |  |  |  |
Consideration, Cash Paid |  |  |  |  |  |  |  | 49,000 |  |  |  |
Assets Acquired, Real Estate |  |  |  |  |  |  |  | 47,400 |  |  |  |
Assets Acquired, Net Intangibles |  |  |  |  |  |  |  | 1,600 |  |  |  |
Funding for construction, tenant and other capital improvements |  |  |  |  |  |  |  | 152,739 |  | 80,871 |  |
Medical office |  |  |  |  |  |  |  |  |  |  |  |
Real estate acquisitions |  |  |  |  |  |  |  |  |  |  |  |
Consideration, Cash Paid/Debt Settled |  |  |  |  |  |  |  |  |  | 377,351 |  |
Consideration, Liabilities assumed |  |  |  |  |  |  |  |  |  | 12,849 |  |
Assets Acquired, Real Estate |  |  |  |  |  |  |  |  |  | 349,649 |  |
Assets Acquired, Net Intangibles |  |  |  |  |  |  |  |  |  | 40,551 |  |
Funding for construction, tenant and other capital improvements |  |  |  |  |  |  |  | $ 88,523 |  | 93,012 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  |  |  |  |  |  |  |  |  | 12,849 |  |
Medical office | HCP Ventures V |  |  |  |  |  |  |  |  |  |  |  |
Real estate acquisitions |  |  |  |  |  |  |  |  |  |  |  |
Consideration, Cash Paid/Debt Settled |  |  |  |  | $ 225,000 |  |  |  |  |  |  |
RIDEA III |  |  |  |  |  |  |  |  |  |  |  |
Acquisition |  |  |  |  |  |  |  |  |  |  |  |
Assets Acquired, Working Capital |  | $ 7,000 |  |  | 7,000 |  |  |  |  |  |  |
Net termination fee revenue |  | 8,000 |  |  |  |  |  |  |  |  |  |
Stabilized occupancy rate (as a percent) |  |  |  |  |  |  |  | 80.00% |  |  |  |
Unaudited pro forma consolidated results of operations |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  | 1,963,402 |  |
Net income |  |  |  |  |  |  |  |  |  | 56,009 |  |
Net income applicable to HCP, Inc |  |  |  |  |  |  |  |  |  | $ 46,662 |  |
Basic earnings per common share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 0.10 |  |
Diluted earnings per common share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 0.10 |  |
Real estate acquisitions |  |  |  |  |  |  |  |  |  |  |  |
Consideration, Cash Paid |  | 770,000 |  |  |  |  |  |  |  |  |  |
Consideration, Liabilities assumed |  | 32,000 |  |  | 32,000 |  |  |  |  |  |  |
Consideration, Noncontrolling Interest |  | 29,000 |  |  | 29,000 |  |  |  |  |  |  |
Assets Acquired, Real Estate |  | 776,000 |  |  | 776,000 |  |  |  |  |  |  |
Assets Acquired, Net Intangibles |  | 48,000 |  |  | 48,000 |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  | $ 32,000 |  |  | $ 32,000 |  |  |  |  |  |  |
RIDEA III | Brookdale |  |  |  |  |  |  |  |  |  |  |  |
Acquisition |  |  |  |  |  |  |  |  |  |  |  |
Number of individual leases | property |  |  |  |  | 2 |  |  |  |  |  |  |
Noncontrolling interest (as a percent) |  |  |  |  |  |  |  | 10.00% |  |  |  |
Management Agreement Term |  |  |  |  |  |  |  | 7 years |  |  |  |
RIDEA III | Senior housing | Brookdale |  |  |  |  |  |  |  |  |  |  |  |
Acquisition |  |  |  |  |  |  |  |  |  |  |  |
Number of facilities acquired | property |  |  |  |  | 35 |  |  |  |  |  |  |
RIDEA III | SHOP | Brookdale |  |  |  |  |  |  |  |  |  |  |  |
Acquisition |  |  |  |  |  |  |  |  |  |  |  |
Number of Units Acquired | item |  |  |  |  | 5,025 |  |  |  |  |  |  |

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