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Investment in Real Estate (Greenfield Senior Living, Inc.) (Details) (Greenfield Senior Living, Inc., USD $)
In Thousands, unless otherwise specified
1 Months Ended
Sep. 30, 2011
renewal_option
facility
Greenfield Senior Living, Inc.
 
Real Estate [Line Items]  
Number of real estate properties held 3
Cost of real estate property $ 20,800
Initial term of master lease (in years) 12 years
Number of renewal options (in renewal options) 2
Term under lease renewal (in years) 10 years
Rent payments $ 1,661
Annual rental increase (as a percent) 2.75%