Commitments And Contingencies (Ground Lease Agreements) (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Commitments And Contingencies [Abstract]
Ground lease expense incurred	$ 128,000	$ 102,000	$ 229,000	$ 203,000