Net Investment in Direct Financing Lease (Narrative) (Details) (USD $)	6 Months Ended	12 Months Ended
	Jun. 30, 2012 Y	Dec. 31, 2011
Net Investment in Direct Financing Lease [Abstract]
Term of the operating lease	15
Operating Leases, Income Statement, Minimum Lease Revenue	$ 4,792,000	$ 4,870,000
Interest Income, Operating	1,026,000	1,123,000
Total minimum future lease receipts	$ 3,766,000	$ 3,747,000