Investment In Hotel Properties (Wholly Owned Hotel Properties Acquired) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2017 USD ($)
Business Acquisition [Line Items]
Total Purchase Price	$ 300,699
Assumption of Debt	44,483
Other Intangibles [Member]
Business Acquisition [Line Items]
Total Purchase Price	975
Land [Member]
Business Acquisition [Line Items]
Total Purchase Price	38,838
Building and Improvements [Member]
Business Acquisition [Line Items]
Total Purchase Price	233,889
Furniture, Fixtures And Equipment [Member]
Business Acquisition [Line Items]
Total Purchase Price	$ 26,997
Mystic Marriott Hotel & Spa, Groton, CT [Member]
Business Acquisition [Line Items]
Acquisition Date	Jan. 03, 2017
Total Purchase Price	$ 49,999
Assumption of Debt	41,333
Mystic Marriott Hotel & Spa, Groton, CT [Member] | Other Intangibles [Member]
Business Acquisition [Line Items]
Total Purchase Price	899
Intangible asset, advanced bookings	899
Mystic Marriott Hotel & Spa, Groton, CT [Member] | Land [Member]
Business Acquisition [Line Items]
Total Purchase Price	1,420
Mystic Marriott Hotel & Spa, Groton, CT [Member] | Building and Improvements [Member]
Business Acquisition [Line Items]
Total Purchase Price	40,440
Mystic Marriott Hotel & Spa, Groton, CT [Member] | Furniture, Fixtures And Equipment [Member]
Business Acquisition [Line Items]
Total Purchase Price	$ 7,240
The Ritz-Carlton, Coconut Grove, FL [Member]
Business Acquisition [Line Items]
Acquisition Date	Feb. 01, 2017
Total Purchase Price	$ 36,700
Assumption of Debt	3,150
The Ritz-Carlton, Coconut Grove, FL [Member] | Other Intangibles [Member]
Business Acquisition [Line Items]
Total Purchase Price	(291)
Lease-in-place intangible asset	229
Intangible asset, franchise fees	520
The Ritz-Carlton, Coconut Grove, FL [Member] | Land [Member]
Business Acquisition [Line Items]
Total Purchase Price	5,185
The Ritz-Carlton, Coconut Grove, FL [Member] | Building and Improvements [Member]
Business Acquisition [Line Items]
Total Purchase Price	30,742
The Ritz-Carlton, Coconut Grove, FL [Member] | Furniture, Fixtures And Equipment [Member]
Business Acquisition [Line Items]
Total Purchase Price	$ 1,064
The Pan Pacific Hotel, Seattle, WA [Member]
Business Acquisition [Line Items]
Acquisition Date	Feb. 21, 2017
Total Purchase Price	$ 79,000
The Pan Pacific Hotel, Seattle, WA [Member] | Land [Member]
Business Acquisition [Line Items]
Total Purchase Price	13,079
The Pan Pacific Hotel, Seattle, WA [Member] | Building and Improvements [Member]
Business Acquisition [Line Items]
Total Purchase Price	59,256
The Pan Pacific Hotel, Seattle, WA [Member] | Furniture, Fixtures And Equipment [Member]
Business Acquisition [Line Items]
Total Purchase Price	$ 6,665
Philadelphia Westin, Philadelphia, PA [Member]
Business Acquisition [Line Items]
Acquisition Date	Jun. 29, 2017
Total Purchase Price	$ 135,000
Philadelphia Westin, Philadelphia, PA [Member] | Other Intangibles [Member]
Business Acquisition [Line Items]
Total Purchase Price	367
Philadelphia Westin, Philadelphia, PA [Member] | Land [Member]
Business Acquisition [Line Items]
Total Purchase Price	19,154
Philadelphia Westin, Philadelphia, PA [Member] | Building and Improvements [Member]
Business Acquisition [Line Items]
Total Purchase Price	103,451
Philadelphia Westin, Philadelphia, PA [Member] | Furniture, Fixtures And Equipment [Member]
Business Acquisition [Line Items]
Total Purchase Price	$ 12,028