Intangibles Schedule of Intangible Asset Amortization Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Schedule of Finite-Lived Intangible Assets, Amortization Expense [Line Items]
Amortization of Intangible Assets	$ 12,694	$ 8,815	$ 3,944
Ground Lease [Member]
Schedule of Finite-Lived Intangible Assets, Amortization Expense [Line Items]
Amortization of Intangible Assets	600	0	0
Leases, Acquired-in-Place [Member]
Schedule of Finite-Lived Intangible Assets, Amortization Expense [Line Items]
Amortization of Intangible Assets	11,559	8,299	3,867
Franchise Rights [Member]
Schedule of Finite-Lived Intangible Assets, Amortization Expense [Line Items]
Amortization of Intangible Assets	$ 535	$ 516	$ 77