Real Estate Investments - Impairment of Real Estate Investments Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) restaurant	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of restaurants owned by tenant | restaurant	59
Impairment charges	$ 182,819	$ 91,755	$ 100,500
Reported Value Measurement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value of real estate assets deemed to be impaired	668,200	340,000	199,500
Estimated fair value of real estate assets deemed to be impaired	$ 485,400	$ 248,300	$ 99,000