Capital Expenditure Funding Capacity

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- Definition

Consolidated Income Available To Debt Ratio

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Debt Instrument, Extension Option Term

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Debt Instrument, Outstanding Percentage, Maximum

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Debt Instrument, Redemption Percentage, Maximum

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- Definition

Weighted average interest rate on debt during the period.

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Extinguishment Of Debt, Accrued And Interest Payable

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Minimum Liquidity Requirement Amount

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Represents the number of communities.

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

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No definition available.

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

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Increase for accrued, but unpaid interest on the debt instrument for the period.

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The average effective interest rate during the reporting period.

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- Definition

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

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- Definition

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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No definition available.

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Weighted average interest rate of debt outstanding.

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No definition available.

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Gross amount of debt extinguished.

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No definition available.

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

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

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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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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- Definition

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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- Definition

The number of real estate properties owned as of the balance sheet date.

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No definition available.

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- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Indebtedness - Narrative (Details)	1 Months Ended									5 Months Ended	12 Months Ended
Indebtedness - Narrative (Details)	Feb. 23, 2022 USD ($)	Feb. 28, 2021 USD ($)	Feb. 07, 2021	Jan. 31, 2021 USD ($)	Jun. 30, 2020 USD ($)	May 31, 2020 USD ($) property	Apr. 30, 2020 USD ($)	Feb. 29, 2020 USD ($) property	May 31, 2019 USD ($) community	Jun. 02, 2020	Dec. 31, 2021 USD ($) property	Dec. 31, 2020 USD ($) property	Dec. 31, 2019 USD ($) property	Jan. 31, 2023 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Jan. 30, 2021 USD ($)
Debt Instrument
Revolving credit facility											$ 800,000,000	$ 0
Loss on early extinguishment of debt											$ 2,410,000	427,000	$ 44,000
Number of properties owned (property) \| property											390
Total real estate properties, gross											$ 6,813,556,000	7,410,730,000
Repayments of borrowings on revolving credit facility											0	968,000,000	$ 596,000,000
Accrued interest											$ 29,845,000	23,772,000
Debt ratio											150.00%
Senior unsecured notes
Debt Instrument
Principal amount of debt											$ 2,850,000,000	$ 2,650,000,000
Medical Office
Debt Instrument
Number of properties owned (property) \| property												7	20
Life Science
Debt Instrument
Number of properties owned (property) \| property													1
Unsecured Revolving Credit Facility
Debt Instrument
Unsecured revolving credit facility, maximum borrowing capacity				$ 800,000,000							$ 800,000,000						$ 1,000,000,000
Revolving credit facility, interest rate payable (as a percent)											2.90%
Loan commitment fee percentage											0.30%
Weighted average interest rate on debt (as a percent)											2.90%	2.20%	3.40%
Revolving credit facility																$ 800,000,000
Loss on early extinguishment of debt											$ 563,000
Capital expenditure funding capacity		$ 350,000,000		250,000,000
Minimum liquidity requirement amount				$ 200,000,000
Weighted average annual interest rate (as a percent)													2.90%
Unsecured Revolving Credit Facility \| Subsequent Event
Debt Instrument
Unsecured revolving credit facility, maximum borrowing capacity	$ 700,000,000
Option term (years)	1 year
Capital expenditure funding capacity	$ 400,000,000
Repayments of borrowings on revolving credit facility	100,000,000
Minimum liquidity requirement amount	$ 200,000,000
Unsecured Revolving Credit Facility \| Subsequent Event \| Forecast
Debt Instrument
Unsecured revolving credit facility, maximum borrowing capacity														$ 586,373,000
Unsecured Revolving Credit Facility \| Life Science / Medical Office
Debt Instrument
Number of properties owned (property) \| property											61
Total real estate properties, gross											$ 992,493,000
Term loan due 2022 \| Senior unsecured notes
Debt Instrument
Revolving credit facility																	$ 200,000,000
Loss on early extinguishment of debt											1,477,000
Principal amount of debt		200,000,000
Debt Instrument, Interest Rate During Period			2.90%									2.70%	3.70%
Senior Unsecured Notes Due June 2021 \| Senior unsecured notes
Debt Instrument
Loss on early extinguishment of debt											370,000
Principal amount of debt											$ 300,000,000
Interest rate (as a percent)											6.75%
Accrued interest											$ 10,125,000
Senior unsecured notes due 2019
Debt Instrument
Loss on early extinguishment of debt													$ 17,000
Interest rate (as a percent)									325.00%
Debt extinguishment, amount									$ 400,000
Debt extinguishment, accrued and interest payable									6,500,000
Senior Unsecured Note Due July 2019
Debt Instrument
Principal amount of debt									$ 42,211,000
Interest rate (as a percent)									3.79%
Number of communities \| community									4
Term loan due 2020
Debt Instrument
Loss on early extinguishment of debt												$ 26,000	(27,000)
Principal amount of debt													250,000,000		$ 250,000
Weighted average annual interest rate (as a percent)										2.40%
Unsecured term loan due January 2020
Debt Instrument
Principal amount of debt													$ 350,000,000
Senior Unsecured Notes Due March 2026 \| Life Science
Debt Instrument
Loss on early extinguishment of debt												$ 246,000
Number of properties owned (property) \| property								1
Interest rate (as a percent)								6.25%
Repayments of debt								$ 1,554,000
Senior unsecured note due 2020
Debt Instrument
Interest rate (as a percent)							6.75%
Debt extinguishment, amount							$ 200,000
Accrued and unpaid interest							$ 6,750,000
Mortgage notes 7.49% maturing in January 2022 \| Medical Office
Debt Instrument
Loss on early extinguishment of debt											$ 155,000
Number of properties owned (property) \| property						1
Interest rate (as a percent)						7.49%
Repayments of debt						$ 1,213,000
Senior Unsecured Note Due March 2025
Debt Instrument
Principal amount of debt															$ 1,000,000
Interest rate (as a percent)															9.75%
Net proceeds from offering					$ 982,300,000
Debt instrument, redemption percentage, maximum															40.00%
Debt instrument, outstanding percentage, maximum															50.00%
Senior Note 4.375 Due 2031 \| Senior unsecured notes
Debt Instrument
Principal amount of debt		$ 500,000,000
Interest rate (as a percent)		4.375%
Net proceeds from offering		$ 491,357,000
Revolving Credit Facility \| Unsecured Revolving Credit Facility \| Subsequent Event
Debt Instrument
Basis points per annum (as a percent)	0.15%
Revolving Credit Facility \| Unsecured Revolving Credit Facility \| LIBOR
Debt Instrument
Basis points per annum (as a percent)				0.30%