Real Estate Loans Receivable (Details) (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Advances on real estate loans receivable:
Investments in new loans	$ 31,487,000	$ 1,154,000
Draws on existing loans	45,849,000	34,740,000
Net cash advances on real estate loans	77,336,000	35,894,000
Receipts on real estate loans receivable:
Loan payoffs	66,414,000	450,000
Principal payments on loans	19,141,000	16,127,000
Total receipts on real estate loans	85,555,000	16,577,000
Net advances (receipts) on real estate loans	(8,219,000)	19,317,000
Change in balance due to foreign currency translation	765,000	0
Net Change Real Estate Loans Receivable	(7,454,000)	19,317,000
Seniors Housing Facilities Triple Net [Member]
Advances on real estate loans receivable:
Investments in new loans	27,392,000	1,154,000
Draws on existing loans	42,772,000	33,710,000
Net cash advances on real estate loans	70,164,000	34,864,000
Receipts on real estate loans receivable:
Loan payoffs	65,768,000	450,000
Principal payments on loans	16,972,000	14,204,000
Total receipts on real estate loans	82,740,000	14,654,000
Net advances (receipts) on real estate loans	(12,576,000)	20,210,000
Change in balance due to foreign currency translation	765,000	0
Net Change Real Estate Loans Receivable	(11,811,000)	20,210,000
Medical facilities [Member]
Advances on real estate loans receivable:
Investments in new loans	4,095,000	0
Draws on existing loans	3,077,000	1,030,000
Net cash advances on real estate loans	7,172,000	1,030,000
Receipts on real estate loans receivable:
Loan payoffs	646,000	0
Principal payments on loans	2,169,000	1,923,000
Total receipts on real estate loans	2,815,000	1,923,000
Net advances (receipts) on real estate loans	4,357,000	(893,000)
Change in balance due to foreign currency translation	0	0
Net Change Real Estate Loans Receivable	$ 4,357,000	$ (893,000)