Real Estate Properties - Schedule of Real Estate Properties (Details) $ in Thousands	1 Months Ended			3 Months Ended
	Mar. 31, 2020 USD ($) ft² building	Feb. 29, 2020 USD ($) ft² building property	Jan. 31, 2020 USD ($) ft² building	Mar. 31, 2020 USD ($) building
Medical Office Buildings
Real Estate [Line Items]
Number of real estate properties sold | property		1
Disposed of by Sale, Not Discontinued Operations
Real Estate [Line Items]
Number of real estate properties sold | building				8
Gross Sales Price				$ 17,604
Gain (loss) on Sale				$ 2,782
Disposed of by Sale, Not Discontinued Operations | Medical Office Buildings | Louisiana
Real Estate [Line Items]
Number of real estate properties sold | building			6
Square footage of properties sold | ft²			40,575
Gross Sales Price			$ 5,925
Gain (loss) on Sale			$ (81)
Disposed of by Sale, Not Discontinued Operations | Medical Office Buildings | Pennsylvania
Real Estate [Line Items]
Number of real estate properties sold | building		1
Square footage of properties sold | ft²		50,000
Gross Sales Price		$ 2,900
Gain (loss) on Sale		$ 0
Disposed of by Sale, Not Discontinued Operations | Medical Office Buildings | Texas
Real Estate [Line Items]
Number of real estate properties sold | building	1
Square footage of properties sold | ft²	70,229
Gross Sales Price	$ 8,779
Gain (loss) on Sale	$ 2,863