Real Property Acquisitions and Development (Details 1) - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2016		Jun. 30, 2015
Triple Net [Member]
Estimated Fair Value of Allocated Purchase Price of Asset and Liabilities
Land and land improvements		$ 18,901	[1]	$ 45,268
Buildings and improvements		160,209	[1]	447,229
Acquired lease intangibles		2,876	[1]	2,817
Restricted cash		0	[1]	6
Receivables and other assets		0	[1]	60
Total assets acquired		181,986	[1]	495,380
Accrued expenses and other liabilities		(1,459)	[1]	(1,845)
Total liabilities assumed		(1,459)	[1]	(1,845)
Non-cash acquisition related activity	[2]	(37,703)	[1]	(936)
Cash disbursed for acquisitions		142,824	[1]	492,599
Construction in progress additions		85,687	[1]	74,694
Less: Capitalized Interest		(3,771)	[1]	(3,303)
Less: Foreign currency translation		(2,712)	[1]	240
Cash disbursed for construction in progress		79,204	[1]	71,631
Capital improvements to existing properties		14,877	[1]	19,029
Total cash invested in real property		236,905	[1]	583,259
Non Cash Acquisition Financed As Real Estate Loan Receivable		31,014
Non cash acquisition financed as equity investments		6,630
Triple Net [Member] | Preliminary [Member]
Estimated Fair Value of Allocated Purchase Price of Asset and Liabilities
Total cash invested in real property		166,343
Senior housing - operating [Member]
Estimated Fair Value of Allocated Purchase Price of Asset and Liabilities
Land and land improvements		5,617	[3]	94,294
Buildings and improvements		128,200	[3]	1,174,465
Acquired lease intangibles		6,334	[3]	71,089
Restricted cash		0	[3]	5,425
Receivables and other assets		894	[3]	23,645
Total assets acquired	[4]	141,045	[3]	1,368,918
Secured debt		0	[3]	(208,960)
Accrued expenses and other liabilities		(4,853)	[3]	(19,011)
Total liabilities assumed		(4,853)	[3]	(227,971)
Noncontrolling interests		(549)	[3]	(86,842)
Non-cash acquisition related activity	[5]	(7,659)		0
Cash disbursed for acquisitions		127,984	[3]	1,054,105
Construction in progress additions		134,019	[3]	19,926
Less: Capitalized Interest		(2,011)	[3]	(715)
Less: Foreign currency translation		(5,344)	[3]	(40)
Cash disbursed for construction in progress		126,664	[3]	19,171
Capital improvements to existing properties		47,553	[3]	32,766
Total cash invested in real property		302,201	[3]	1,106,042
Cash Acquired from Acquisition		134		3,390
Senior housing - operating [Member] | Preliminary [Member]
Estimated Fair Value of Allocated Purchase Price of Asset and Liabilities
Total cash invested in real property		117,545
Outpatient Medical [Member]
Estimated Fair Value of Allocated Purchase Price of Asset and Liabilities
Land and land improvements		0	[6]	737
Buildings and improvements		32,650	[6]	426,130
Acquired lease intangibles		0	[6]	19,372
Total assets acquired	[7]	32,650	[6]	446,239
Secured debt		0	[6]	(112,000)
Accrued expenses and other liabilities		(990)	[6]	(2,743)
Total liabilities assumed		(990)	[6]	(114,743)
Noncontrolling interests		0	[6]	(68,535)
Non-cash acquisition related activity	[8]	(15,013)		0
Cash disbursed for acquisitions		16,647	[6]	262,961
Construction in progress additions		50,896	[6]	26,025
Less: Capitalized Interest		(1,561)	[6]	(428)
Less: Accruals	[9]	(5,336)	[6]	(1,921)
Cash disbursed for construction in progress		43,999	[6]	23,676
Capital improvements to existing properties		25,099	[6]	15,291
Total cash invested in real property		85,745	[6]	301,928
Cash Acquired from Acquisition		0		$ 4,372
Outpatient Medical [Member] | Preliminary [Member]
Estimated Fair Value of Allocated Purchase Price of Asset and Liabilities
Total cash invested in real property		$ 32,650

[1] (1) Includes acquisitions with an aggregate purchase price of $166,343,000 for which the allocation of the purchase price consideration is preliminary and subject to change.

[2] (2) For the six months ended June 30, 2016, $31,014,000 relates to the acquisition of assets previously financed as real estate loans receivable and $6,630,000 previously financed as equity investments.

[3] (1) Includes acquisitions with an aggregate purchase price of $117,545,000 for which the allocation of the purchase price consideration is preliminary and subject to change.

[4] (2) Excludes $134,000 and $3,390,000 of cash acquired during the six months ended June 30, 2016 and 2015, respectively.

[5] (3) Relates to the acquisition of assets previously financed as equity investments.

[6] (1) Includes acquisitions with an aggregate purchase price of $32,650,000 for which the allocation of the purchase price consideration is preliminary and subject to change.

[7] (2) Excludes $0 and $4,372,000 of cash acquired during the six months ended June 30, 2016 and 2015, respectively.

[8] (3) Relates to an acquisition of assets previously financed as a real estate loan. Refer to Note 6 for additional information.

[9] (4) Represents non-cash consideration accruals for amounts to be paid in future periods relating to properties that converted in the periods noted above.