Summary of Significant Accounting Policies - Deferred Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Deferred Costs [Abstract]
Loan costs	$ 8,447	$ 10,717
Franchise fees	3,474	2,969
Deferred costs, gross	11,921	13,686
Less accumulated amortization	(3,887)	(6,172)
Deferred costs, net	8,034	7,514
Schedule of Deferred Costs [Line Items]
Amortization of deferred franchise fees	197	131	$ 87
Amortization of deferred financing fees included in interest expense	1,606	1,532	1,088
Franchise
Schedule of Deferred Costs [Line Items]
Amortization of deferred franchise fees	196	131	87
Loans
Schedule of Deferred Costs [Line Items]
Amortization of deferred financing fees included in interest expense	$ 1,606	$ 1,532	$ 1,088