Subsequent Events (Details) - USD ($) $ in Thousands			1 Months Ended						3 Months Ended
	Apr. 01, 2022	Oct. 01, 2020	Apr. 30, 2022	Jan. 31, 2022	Oct. 31, 2021	Jul. 31, 2021	Apr. 30, 2021	Jan. 31, 2021	Mar. 31, 2022	Dec. 31, 2021
Subsequent Event [Line Items]
Stock dividends (in shares)		0.01349		0.014655	0.014655	0.014655	0.014655	0.01349	0.10416
Outstanding loan amount									$ 1,093,509
Effective interest rate									3.06%	3.00%
Mortgages
Subsequent Event [Line Items]
Outstanding loan amount									$ 588,854	$ 591,841
Effective interest rate									3.82%	3.82%
Medical Center V - Peoria, AZ | Mortgages
Subsequent Event [Line Items]
Outstanding loan amount									$ 0	$ 2,684
Effective interest rate									0.00%	4.75%
Subsequent Event
Subsequent Event [Line Items]
Stock dividends (in shares)	0.014167		0.014167
Subsequent Event | Medical Center V - Peoria, AZ | Mortgages
Subsequent Event [Line Items]
Outstanding loan amount			$ 2,800
Effective interest rate			4.15%