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Debt Instrument, Covenant, Percentage Of Cumulative Adjusted Funds

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Line Of Credit Facility, Maximum Borrowing Capacity, Foreign Currency

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Line Of Credit Facility, Number Of Extension Options

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Line Of Credit Facility, Optional Extension Period

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- Definition

Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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- Definition

Fixed interest rate related to the interest rate derivative.

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- Definition

The number of derivative instruments of a particular group held by the entity.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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The maximum amount of borrowing capacity under a line of credit that is available as of the balance sheet date for financing purchases of goods acquired for inventory or imminent delivery to a customer.

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No definition available.

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The effective interest rate at the end of the reporting period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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DEBT - Narrative (Details)					12 Months Ended
DEBT - Narrative (Details)	Aug. 17, 2017 USD ($) extension_option	Aug. 10, 2016 USD ($) agreement	Jan. 14, 2016 USD ($)	May 23, 2013 USD ($)	Dec. 31, 2017 USD ($) instrument extension_option	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Aug. 17, 2017 CAD extension_option	Aug. 10, 2016 CAD agreement	Jan. 14, 2016 CAD	Jun. 10, 2015 CAD	Oct. 10, 2014 USD ($)	Jan. 23, 2014 USD ($)
Debt Instrument [Line Items]
Loss on extinguishment of debt					$ 553,000	$ 556,000	$ 0
Long-term debt					3,399,789,000
Interest expense					88,440,000	64,873,000	59,218,000
Non-cash interest expense					7,776,000	5,678,000	$ 5,279,000
Interest payable					$ 24,700,000	13,800,000
5.5% Senior Unsecured Notes due 2021
Debt Instrument [Line Items]
Interest rate					5.50%								5.50%
5.5% Senior Unsecured Notes due 2021, Issued January 2014
Debt Instrument [Line Items]
Debt amount													$ 350,000,000.0
Interest rate													5.50%
5.5% Senior Unsecured Notes due 2021, Issued October 2014
Debt Instrument [Line Items]
Debt amount												$ 150,000,000.0
Interest rate												5.50%
5.375% Senior Unsecured Notes Due 2023
Debt Instrument [Line Items]
Debt amount				$ 200,000,000
Interest rate				5.375%	5.375%
5.375% Senior Unsecured Notes Due 2023 \| Prior to June 2018
Debt Instrument [Line Items]
Debt, redemption premium				100.00%
Senior Unsecured Notes Due 2026
Debt Instrument [Line Items]
Debt amount	$ 500,000,000
Interest rate	5.125%				5.125%			5.125%
Required ratio of total unencumbered assets to unsecured debt					150.00%
Senior Unsecured Notes Due 2027
Debt Instrument [Line Items]
Debt amount	$ 100,000,000.0
Interest rate	5.38%				5.38%			5.38%
Senior Unsecured Notes due 2021 and 2023
Debt Instrument [Line Items]
Maximum percentage of cumulative Adjusted Funds from Operations permitted to be distributed					95.00%
Required ratio of total unencumbered assets to unsecured debt					150.00%
Prior Revolving Credit Facility
Debt Instrument [Line Items]
Loss on extinguishment of debt					$ 600,000
Prior Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Borrowing capacity (up to)			$ 500,000,000.0
Borrowing capacity in certain foreign currencies (up to)			125,000,000.0
Number of optional extensions \| extension_option	2							2
Optional extension period	6 months
Available borrowing capacity					$ 359,000,000
Interest rate cap contract term		5 years
Prior Revolving Credit Facility \| Revolving Credit Facility \| Minimum
Debt Instrument [Line Items]
Annum percent unused borrowing fee					0.25%
Prior Revolving Credit Facility \| Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Annum percent unused borrowing fee					0.30%
Prior Revolving Credit Facility \| Revolving Credit Facility \| Federal Funds Rate
Debt Instrument [Line Items]
Basis spread on variable rate					0.50%
Prior Revolving Credit Facility \| Revolving Credit Facility \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate		2.00%			1.00%
Prior Revolving Credit Facility \| Revolving Credit Facility \| LIBOR \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate					1.80%
Prior Revolving Credit Facility \| Revolving Credit Facility \| LIBOR \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate					2.40%
Prior Revolving Credit Facility \| Revolving Credit Facility \| Base Rate \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate					0.80%
Prior Revolving Credit Facility \| Revolving Credit Facility \| Base Rate \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate					1.40%
Prior U.S. Dollar Term Loan
Debt Instrument [Line Items]
Debt amount			$ 245,000,000.0
Prior U.S. Dollar Term Loan \| LIBOR \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate			1.75%
Prior U.S. Dollar Term Loan \| LIBOR \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate			2.35%
Prior U.S. Dollar Term Loan \| Base Rate \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate			0.75%
Prior U.S. Dollar Term Loan \| Base Rate \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate			1.35%
Prior U.S. Dollar Term Loan \| CDOR \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate			1.75%
Prior U.S. Dollar Term Loan \| CDOR \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate			2.35%
Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Borrowing capacity (up to)			$ 1,250,000,000.00
Fourth Amended and Restated Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Borrowing capacity (up to)	$ 1,000,000,000.0
Borrowing capacity in certain foreign currencies (up to)	$ 175,000,000
Number of optional extensions \| extension_option					2
Optional extension period					6 months
Interest rate					2.81%
Fourth Amended and Restated Credit Agreement \| Revolving Credit Facility \| Minimum
Debt Instrument [Line Items]
Annum percent unused borrowing fee	0.125%
Fourth Amended and Restated Credit Agreement \| Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Annum percent unused borrowing fee	0.30%
Fourth Amended and Restated Credit Agreement \| Revolving Credit Facility \| LIBOR \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	0.875%
Fourth Amended and Restated Credit Agreement \| Revolving Credit Facility \| LIBOR \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	1.65%
Fourth Amended and Restated Credit Agreement \| Revolving Credit Facility \| Base Rate \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	0.00%
Fourth Amended and Restated Credit Agreement \| Revolving Credit Facility \| Base Rate \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	0.65%
Fourth Amended and Restated Credit Agreement \| Line of Credit
Debt Instrument [Line Items]
Borrowing capacity (up to)	$ 2,500,000,000.0
U.S. Dollar Term Loan
Debt Instrument [Line Items]
Debt amount		$ 245,000,000.0
U.S. Dollar Term Loan \| LIBOR \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	0.90%
U.S. Dollar Term Loan \| LIBOR \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	1.90%
U.S. Dollar Term Loan \| Base Rate \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	0.00%
U.S. Dollar Term Loan \| Base Rate \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	0.90%
U.S. Dollar Term Loan \| CDOR \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	0.90%
U.S. Dollar Term Loan \| CDOR \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	1.90%
U.S. Dollar Term Loan \| Interest Rate Swap
Debt Instrument [Line Items]
Interest rate swap, fixed		0.90%							0.90%
Derivative instruments \| agreement		2							2
Canadian Term Loan
Debt Instrument [Line Items]
Debt amount \| CAD								CAD 125,000,000	CAD 35,000,000.0
Canadian Term Loan \| Interest Rate Swap
Debt Instrument [Line Items]
Interest rate swap, fixed		0.93%			1.31%				0.93%
Derivative instruments \| agreement		1							1
Prior Canadian Term Loan
Debt Instrument [Line Items]
Debt amount \| CAD										CAD 125,000,000.0	CAD 90,000,000.0
Interest rate swap, fixed											1.59%
Redemption Period One \| U.S. Dollar Term Loan
Debt Instrument [Line Items]
Debt amount	$ 1,100,000,000
Redemption Period Two \| U.S. Dollar Term Loan
Debt Instrument [Line Items]
Debt amount	200,000,000
Care Capital Properties \| Interest Rate Swap
Debt Instrument [Line Items]
Derivative instruments \| instrument					8
Care Capital Properties \| U.S. Dollar Term Loan
Debt Instrument [Line Items]
Debt amount					$ 600,000,000
Secured Indebtedness
Debt Instrument [Line Items]
Debt amount					259,202,000	$ 163,638,000
Long-term debt					259,202,000
Secured Indebtedness \| Care Capital Properties \| Variable Rate Secured Term Loan
Debt Instrument [Line Items]
Debt amount	$ 98,500,000.0
Secured Indebtedness \| Care Capital Properties \| Variable Rate Secured Term Loan \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	1.80%
Line of Credit
Debt Instrument [Line Items]
Long-term debt					$ 641,000,000