Real Property Acquisitions and Development (Details 2) (USD $)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Development projects:
Total development projects	$ 128,376,000	$ 184,104,000
Expansion projects	17,586,000	14,229,000
Total construction in progress conversions	145,962,000	198,333,000
Medical facilities [Member]
Development projects:
Total development projects	56,807,000	78,839,000
Seniors Housing Facilities Triple Net [Member]
Development projects:
Total development projects	$ 71,569,000	$ 105,265,000