Loans To And Investments In Associated Companies Loans To And Investments in Associated Companies (Garcadia) (Narrative) (Details) - Garcadia [Member]	12 Months Ended
	Dec. 31, 2015 facility
Investment [Line Items]
Number of automobile dealerships	27
Percent of cash allocated	65.00%
One Dealership [Member]
Investment [Line Items]
Percent of cash allocated	83.00%
Five Dealerships [Member]
Investment [Line Items]
Percent of cash allocated	71.00%
Garff Enterprises [Member]
Investment [Line Items]
Number of automobile dealerships	27
Percent of cash allocated	35.00%