Real Estate (Schedule Of The Components Of Income From Discontinued Operations) (Details) - USD ($)	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Impairment reversals		$ 153,000
Total income from discontinued operations		$ 165,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Revenues	$ 39,000
Expenses	27,000
Income from operations	12,000
Impairment reversals	153,000
Total income from discontinued operations	$ 165,000