Real Property Acquisitions and Development (Details 2) - USD ($)	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Development projects:
Total development projects	$ 109,236,000	$ 114,369,000
Expansion projects	38,808,000	10,849,000
Total construction in progress conversions	148,044,000	125,218,000
Outpatient Medical [Member]
Development projects:
Total development projects	16,592,000	42,799,000
Seniors Housing Facilities Operating [Member]
Development projects:
Total development projects	19,869,000
Triple Net [Member]
Development projects:
Total development projects	$ 72,775,000	$ 71,570,000