Rafael Holdings, Inc. Spin-Off (Details) - Rafael Holdings, Inc. [Member] $ in Thousands	Jul. 31, 2019 USD ($)
Cash and cash equivalents	$ 9,287
Debt securities	32,989
Trade accounts receivable	53
Other current assets	2,329
Property, plant and equipment, net	50,624
Investments	17,650
Other assets	2,240
Current liabilities	(159)
Other liabilities	(94)
Noncontrolling interests	(8,653)
Rafael equity	$ 106,266