Dispositions (Details) $ in Thousands		2 Months Ended	3 Months Ended		9 Months Ended
	Jun. 01, 2015 USD ($)	Feb. 26, 2015 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)
Dispositions (Details) [Line Items]
Gain (Loss) on Disposition of Assets			$ 0	$ 0	$ 0	$ 15,358
Operating Income (Loss)			$ 23,843	$ 56,408	$ 132,233	$ 144,859
Hotels Sold [Member]
Dispositions (Details) [Line Items]
Number of Properties Disposed During Period	1	18			0	19
Number of Real Estate Transactions						2
Sale of Real Estate Assets, Gross Sales Price	$ 2,100	$ 206,400				$ 208,500
Gain (Loss) on Disposition of Assets	$ (300)	$ 15,600				15,400
Operating Income (Loss)						$ 2,000