Property and Equipment - Narrative (Details) (USD $)	3 Months Ended
	Mar. 31, 2015 acre	Mar. 31, 2014
Property and Equipment [Abstract]
Disposal Group, Including Discontinued Operation, Description and Timing of Disposal	40000
Property, Plant, and Equipment, Additional Disclosures	2.3
Land Subject to Ground Leases	1.5
Depreciation, Depletion and Amortization	$ 339,000	$ 166,000