Real Property Acquisitions and Development (Details 2) - USD ($)	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Development projects:
Total development projects	$ 122,363,000	$ 128,376,000
Expansion projects	38,808,000	17,586,000
Total construction in progress conversions	161,171,000	145,962,000
Outpatient Medical [Member]
Development projects:
Total development projects	16,592,000	56,807,000
Seniors Housing Facilities Operating [Member]
Development projects:
Total development projects	19,869,000
Triple Net [Member]
Development projects:
Total development projects	$ 85,902,000	$ 71,569,000