Subsequent Events (Details)	Jan. 13, 2020 USD ($) ft²	Jan. 02, 2020 USD ($) ft²	Sep. 19, 2019 USD ($)	Feb. 03, 2020 USD ($) a	Jan. 07, 2020 USD ($) ft²	Dec. 10, 2019 USD ($) a	Nov. 30, 2019 USD ($) a ft²
Subsequent events
Sale price of land							$ 562,000
Windsor undeveloped land sale
Subsequent events
Area of Land | a							7
Restaurant Building
Subsequent events
Area of Land | ft²							7,200
Webster Credit Line
Subsequent events
Maximum borrowing capacity			$ 15,000,000
Increased line of credit			19,500,000
Acquisition Credit Line
Subsequent events
Maximum borrowing capacity			$ 15,000
Subsequent events | Windsor undeveloped land sale
Subsequent events
Sale price of land					$ 3,800,000
Area of Land | ft²					27
Subsequent events | East Granby and Windsor undeveloped land sale
Subsequent events
Area of Land | a						280
Subsequent events | Orlando Building, Florida
Subsequent events
Sale price of land	$ 5,700,000	$ 7,900,000
Area Of Building | ft²	68,000	108,000
Subsequent events | Meadowood Land
Subsequent events
Sale price of land				$ 5,400.00
Area of Land | a				277
Subsequent events | Maximum | East Granby and Windsor undeveloped land sale
Subsequent events
Sale price of land						$ 7,950,000
Subsequent events | Minimum | East Granby and Windsor undeveloped land sale
Subsequent events
Sale price of land						$ 6,000