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Commitments and Contingencies (Details) $ in Thousands					9 Months Ended
Commitments and Contingencies (Details) $ in Thousands	Aug. 27, 2020 USD ($) a ft²	Jul. 17, 2020 USD ($) ft² a item	Feb. 03, 2020 USD ($) a	Dec. 10, 2019 USD ($) a	Aug. 31, 2020 USD ($) ft²	Jun. 24, 2020 USD ($) a
Purchase and sale obligations
Area of land to be acquired \| ft²	210,000
Obligations For Investments In Real Estate Assets
Purchase and sale obligations
Purchase obligations					$ 8,030
Area Of Building \| ft²					103,000
East Granby And Windsor Ct Site [Member]
Purchase and sale obligations
Purchase Option Term				1 year
Area of land \| a				280
Option Period Of Extension Upon Payment Of Additional Fees				2 years
East Granby And Windsor Ct Site [Member] \| Minimum
Purchase and sale obligations
Purchase price				$ 6,000
East Granby And Windsor Ct Site [Member] \| Maximum
Purchase and sale obligations
Purchase price				$ 7,950
Meadowood Land
Purchase and sale obligations
Purchase Option Term			12 months
Sale price of land			$ 5,400
Area of land \| a			277
Agreement Term of Extension			6 months
Undeveloped land in Lehigh valley
Purchase and sale obligations
Sale price of land						$ 3,100
Area of land \| a						18
Undeveloped land abuts land in Lehigh valley
Purchase and sale obligations
Sale price of land	$ 1,100
Area of land \| a	5
Undeveloped land in Orlando
Purchase and sale obligations
Sale price of land		$ 5,250
Number of planned development buildings \| item		2
Area of land to be acquired \| ft²		195,000
Area of land \| a		14