Loans to and Investments in Associated Companies - Real Estate Companies (Details)	6 Months Ended
	May 31, 2022 project
54 Madison
Investments In Associated Companies [Line Items]
Equity method investment, ownership percentage	48.10%
Number of real estate projects	3
HomeFed | Brooklyn Renaissance Plaza and Hotel | Hotel
Investments In Associated Companies [Line Items]
Equity method investment, ownership percentage	25.40%
HomeFed | Brooklyn Renaissance Plaza Office | Office Building
Investments In Associated Companies [Line Items]
Equity method investment, ownership percentage	61.25%
Weighted average useful life	39 years