Dispositions (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2022 USD ($) property	Sep. 30, 2021 USD ($) property
Dispositions
Gain on sale of real estate	$ 9,897	$ 1,710
Disposed of by Sale
Dispositions
Number of dispositions | property	4	2
Sale price		$ 5,850
Gain on sale of real estate		$ 1,710
Property, Savage, MN | Disposed of by Sale
Dispositions
Number of dispositions | property	1
Sale price	$ 2,700
Gain on sale of real estate	$ 1,328
Property, Moorhead, MN | Disposed of by Sale
Dispositions
Number of dispositions | property	1
Sale price	$ 6,400
Gain on sale of real estate	$ 2,012
Property, Edina Minnesota | Disposed of by Sale
Dispositions
Number of dispositions | property	1
Sale price	$ 15,320
Gain on sale of real estate	6,728
Property, East Grand Forks, MN | Disposed of by Sale
Dispositions
Sale price	1,200
Gain on sale of real estate	$ (171)