Loans To And Investments In Associated Companies (HomeFed) (Narrative) (Details) - HomeFed Corporation [Member] - shares	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2014
Investments In Associated Companies [Line Items]
Shares of common stock owned	9,974,226
Percentage of ownership owned	65.00%
Maximum voting rights as a percentage of total voting securities voting	45.00%
Common shares acquired		7,500,000
Company Chairman [Member]
Investments In Associated Companies [Line Items]
Ownership percentage of company	4.80%