Investment and Disposition Activity - Narrative (Details) $ in Millions	3 Months Ended
Mar. 31, 2022 USD ($) ft² healthcareproperty property
Asset Acquisition [Line Items]
Payments for loans receivable and payments to acquire real estate	$ 8.9
Disposal Group, Held-for-sale, Not Discontinued Operations
Asset Acquisition [Line Items]
Number of real estate properties \| property	1
Area of land (square feet) \| ft²	9,997
Proceeds from divestiture of businesses	$ 2.0
Disposal group, not discontinued operation, gain (loss) on disposal	$ (0.2)
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%
Construction Loans
Asset Acquisition [Line Items]
Payments for (proceeds from) loans receivable	$ 0.9

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