Leases (Lease and Subleased Facilities to Third-Party Operators) (Details) - Lease Arrangement, Type [Domain]	6 Months Ended
	Jun. 30, 2015 facility
Operating Leased Assets [Line Items]
Number of sublease agreements executed	23
Third Party Operators
Operating Leased Assets [Line Items]
Number of sublease agreements executed, owned by company	15
Number of sublease agreements executed, leased by company	8