Interest rate cap and swap contracts (Details) - USD ($)	1 Months Ended	3 Months Ended		7 Months Ended	9 Months Ended
	Jun. 17, 2022	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2022	Jul. 31, 2021	Jan. 10, 2022	Dec. 30, 2021	Oct. 31, 2021
Derivative [Line Items]
Interest rate swap contract liability		$ 16,000		$ 16,000	$ 16,000				$ 2,308,000
Net unrealized gain (loss) on interest rate swap contracts		1,393,000	$ 234,000		2,408,000	$ 1,441,000
Breakage fees of approximately				213,000
Amount of approximately	$ 1,400,000
Damascus Centre Swap [Member]
Derivative [Line Items]
Interest rate swap contract liability							$ 18,200,000		278,000
Regency Swap [Member]
Derivative [Line Items]
Interest rate swap contract liability		116,000		116,000	116,000				750,000
Grande Rotunda [Member]
Derivative [Line Items]
Interest rate swap contract liability								$ 116,500,000	0
Station Place [Member]
Derivative [Line Items]
Interest rate swap contract liability		$ 16,000		$ 16,000	$ 16,000				932,000
Wayne PSC Swap [Member]
Derivative [Line Items]
Interest rate swap contract liability									$ 348,000