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

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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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Amount, after accumulated amortization, of debt discount.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Fixed interest rate related to the interest rate derivative.

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Debt - Summary of Debt (Details)		12 Months Ended
Debt - Summary of Debt (Details)	Jul. 07, 2016	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($) healthcareproperty	Dec. 31, 2021	Dec. 31, 2021 healthcareproperty	Dec. 31, 2021 Rate	Dec. 01, 2017 USD ($)	Mar. 07, 2017 USD ($)	Aug. 11, 2016 USD ($)	Jan. 07, 2016 USD ($)
Debt
Debt, gross		$ 1,930,024,000	$ 1,449,001,000
Unamortized deferred financing costs		(9,694,000)	(5,369,000)
Unamortized discounts		(8,423,000)	(4,855,000)
Unamortized fair value adjustments		11,000	73,000
Total debt		1,911,918,000	1,438,850,000
Mortgages
Debt
Debt, gross		181,024,000	$ 58,001,000
Senior Notes
Debt
Debt instrument, face amount							$ 350,000,000	$ 400,000,000	$ 75,000,000	$ 150,000,000
Fixed interest rate							3.95%	4.30%
Interest Rate Swaps \| Unsecured Debt
Debt
Fixed interest rate			1.07%	3.33%		2.07%
Interest Rate Swaps \| Unsecured Debt \| LIBOR
Debt
Fixed interest rate	1.07%			1.43%
Mortgage Notes Bearing Fixed Interest Rate Due In 2021, 2022, and 2024 \| Mortgages
Debt
Debt, gross		75,395,000	$ 51,896,000
Effective fixed interest rate			1.43%
Weighted average interest rate (as a percent)			4.78%
Number of properties included in collateralized \| healthcareproperty			4		3
Net book value of properties included in the collateralized		$ 151,900,000	$ 110,300,000
Mortgage Notes Bearing Fixed Interest Rate Due In 2021, 2022, and 2024 \| Mortgages \| LIBOR
Debt
Reference rate (as a percent)		1.90%
Mortgage Notes Bearing Fixed Interest Rate Due In 2021, 2022, and 2024 \| Mortgages \| Minimum
Debt
Effective fixed interest rate			4.63%
Mortgage Notes Bearing Fixed Interest Rate Due In 2021, 2022, and 2024 \| Mortgages \| Maximum
Debt
Effective fixed interest rate			5.50%
Mortgage Notes Bearing Variable Interest Due 2028 \| Mortgages
Debt
Debt, gross		$ 105,629,000	$ 6,105,000
Weighted average interest rate (as a percent)			2.90%	1.95%
Number of properties included in collateralized \| healthcareproperty			4
Net book value of properties included in the collateralized		$ 307,200,000	$ 8,300,000
Mortgage Notes Bearing Variable Interest Due 2028 \| Mortgages \| Maximum \| LIBOR
Debt
Reference rate (as a percent)		2.75%
Mortgage Notes Bearing Variable Interest Due 2028 \| Mortgages \| Maximum \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt
Reference rate (as a percent)		1.85%
Revolving Credit Facility Due September 2025 \| Credit Agreement
Debt
Debt, gross		$ 274,000,000	$ 166,000,000
Debt instrument, face amount		$ 1,000,000,000
Reference rate (as a percent)		0.85%	0.90%
Unsecured Notes Bearing Fixed Interest Due March 2027 \| Senior Notes
Debt
Debt, gross		$ 400,000,000	$ 400,000,000
Debt instrument, face amount		400,000,000
Effective fixed interest rate				4.30%
Unsecured Notes Bearing Fixed Interest Due January 2028 \| Senior Notes
Debt
Debt, gross		350,000,000	350,000,000
Debt instrument, face amount		350,000,000
Effective fixed interest rate				3.95%
Unsecured Notes Bearing Fixed Interest Due November 2031 \| Senior Notes
Debt
Debt, gross		500,000,000	0
Debt instrument, face amount		500,000,000
Effective fixed interest rate				2.625%
Unsecured Term Loan Due June 2023 \| Unsecured Debt
Debt
Debt, gross		0	250,000,000
Debt instrument, face amount		250,000,000
Unsecured Notes Bearing Fixed Interest Due January 2023 to 2031 \| Senior Notes
Debt
Debt, gross		150,000,000	150,000,000
Debt instrument, face amount		150,000,000
Unsecured Notes Bearing Fixed Interest Due January 2023 to 2031 \| Senior Notes \| Minimum
Debt
Effective fixed interest rate				4.03%
Unsecured Notes Bearing Fixed Interest Due January 2023 to 2031 \| Senior Notes \| Maximum
Debt
Effective fixed interest rate				4.74%
Senior Unsecured Notes Due August 2025 to 2027 \| Senior Notes
Debt
Debt, gross		75,000,000	$ 75,000,000
Debt instrument, face amount		$ 75,000,000
Senior Unsecured Notes Due August 2025 to 2027 \| Senior Notes \| Minimum
Debt
Effective fixed interest rate				4.09%
Senior Unsecured Notes Due August 2025 to 2027 \| Senior Notes \| Maximum
Debt
Effective fixed interest rate				4.24%
Mortgage Notes Bearing Fixed Interest Rate Due In 2022 and 2024 \| Mortgages
Debt
Weighted average interest rate (as a percent)				4.05%
Mortgage Notes Bearing Fixed Interest Rate Due In 2022 and 2024 \| Mortgages \| Minimum
Debt
Effective fixed interest rate				3.33%
Mortgage Notes Bearing Fixed Interest Rate Due In 2022 and 2024 \| Mortgages \| Maximum
Debt
Effective fixed interest rate				4.83%
Credit Agreement \| LIBOR
Debt
Reference rate (as a percent)		0.85%
Credit Agreement \| Unsecured Debt \| LIBOR
Debt
Reference rate (as a percent)	1.00%	1.90%	1.00%