Real Property Acquisitions and Development (Details 2) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Development projects:
Total development projects	$ 51,280,000	$ 127,853,000
Expansion projects	9,209,000	7,631,000
Total construction in progress conversions	60,489,000	135,484,000
Medical facilities [Member]
Development projects:
Total development projects	42,799,000	60,536,000
Seniors Housing Facilities Triple Net [Member]
Development projects:
Total development projects	$ 8,481,000	$ 67,317,000