Business Combinations - Preliminary Allocation of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Oct. 15, 2015	Feb. 27, 2015
Business Combinations [Abstract]
Land	$ 16,949	$ 274,478
Buildings and improvements	120,414	1,391,506
Below-market lease obligation, net		2,605
Furniture, fixtures and equipment	12,706	127,935
Prepaid expenses and other assets		6,678
Accounts payable and accrued expenses	(1,082)	(4,517)
Total operating assets acquired, net	148,987	1,798,685
SN Term Loan	(96,850)
Seller financing of real estate investments		(1,351,282)
Total assets acquired, net	$ 52,137	$ 447,403