Real Property Acquisitions and Development (Details 2) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Development projects:
Total development projects	$ 35,363	$ 16,592
Expansion projects	0	19,541
Total construction in progress conversions	35,363	36,133
Outpatient Medical [Member]
Development projects:
Total development projects	$ 35,363	$ 16,592