Investment and Disposition Activity - Narrative (Details) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022 USD ($) ft² earn-outAgreement loan healthcareproperty hospital medicalFacility medicalOfficeBuilding	Sep. 30, 2022 USD ($) ft² mezzanine_loan healthcareproperty loan hospital medicalFacility medicalOfficeBuilding earn-outAgreement
Asset Acquisition [Line Items]
Number of earn-out agreements \| earn-outAgreement	2	3
Payments to acquire real estate, payments for loans receivable and payments for real estate investments	$ 101.7	$ 157.6
Asset acquisition, capitalized costs		$ 2.2
Disposal Group, Held-for-sale, Not Discontinued Operations
Asset Acquisition [Line Items]
Number of real estate properties sold \| medicalFacility	5	5
Number of medical office buildings \| medicalOfficeBuilding	4	4
Number of hospitals \| hospital	1	1
Area of land (square feet) \| ft²	212,295	212,295
Proceeds from divestiture of businesses		$ 124.7
Disposal group, not discontinued operation, gain (loss) on disposal		$ 57.4
Davis Joint Venture
Asset Acquisition [Line Items]
Number of operating healthcare properties \| healthcareproperty		3
Asset acquisition, consideration transferred		$ 8.0
Davis Joint Venture \| Physicians Realty Trust
Asset Acquisition [Line Items]
Noncontrolling interest, ownership percentage by parent	49.00%	49.00%
One Medical Office Facility Acquired in 2022
Asset Acquisition [Line Items]
Number of operating healthcare properties \| healthcareproperty	1	2
Asset acquisition, consideration transferred	$ 81.5	$ 109.2
Earn-Out Investments
Asset Acquisition [Line Items]
Asset acquisition, consideration transferred	5.0	6.0
Construction Loans
Asset Acquisition [Line Items]
Payments for (proceeds from) loans receivable	$ 0.4	$ 1.7
Term Loan
Asset Acquisition [Line Items]
Number of mezzanine loans collateralized \| loan	2	3
Payments for (proceeds from) loans receivable	$ 14.1	$ 22.2
Real Estate Loan
Asset Acquisition [Line Items]
Number of mezzanine loans collateralized \| mezzanine_loan		1
Payments for (proceeds from) loans receivable		$ 5.8
Private Equity Funds
Asset Acquisition [Line Items]
Payments to acquire investments	0.3	$ 4.7
Previous Term Loan
Asset Acquisition [Line Items]
Payments for (proceeds from) loans receivable	$ 0.6

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