Disclosures About Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2014

Disclosures About Fair Value of Financial Instruments

Summary of the carrying values and fair values of financial instruments

	December 31,
	2014				2013
	Carrying				Carrying
	Amount		Fair Value		Amount		Fair Value
Loans receivable, net(2)	$	906,961	$	898,522	$	366,001	$	373,441
Marketable debt securities(1)(3)		231,442		252,125		244,089		280,850
Marketable equity securities(1)		43		43		—		—
Warrants(3)		2,220		2,220		114		114
Bank line of credit(2)		838,516		838,516		—		—
Term loan(2)		213,610		213,610		226,858		226,858
Senior unsecured notes(1)		7,626,194		8,187,458		6,963,375		7,405,817
Mortgage debt(2)		984,431		1,025,091		1,396,485		1,421,214
Other debt(2)		97,022		97,022		74,909		74,909
Interest-rate swap asset(2)		178		178		2,325		2,325
Interest-rate swap liability(2)		7,663		7,663		8,384		8,384
Currency swap assets(2)		929		929		2,756		2,756

(1) Level 1: Fair value calculated based on quoted prices in active markets.

(2) Level 2: Fair value based on quoted prices for similar or identical instruments in active or inactive markets, respectively, or calculated utilizing standardized pricing models in which significant inputs or value drivers are observable in active markets.

(3) Level 3: Fair value determined based on significant unobservable market inputs using standardized derivative or cash flow pricing models.