Loans to and Investments in Associated Companies - HomeFed (Details) shares in Millions	Jul. 01, 2019 shares	Jun. 30, 2019 director
HomeFed
Investment [Line Items]
Equity method investment, ownership percentage		70.00%
Maximum voting rights as a percentage of total voting securities voting		45.00%
Number of executives from the Company \| director		3
Number of shares issued per common stock of acquiree	2
HomeFed \| Company Chairman
Investment [Line Items]
Ownership percentage of company		5.00%
HomeFed
Investment [Line Items]
Stock issued related to acquisition (in shares) \| shares	9.3

Line items represent reporting concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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