Acquisition of Hotel Properties (Details Textual) (USD $)	12 Months Ended					0 Months Ended
	Dec. 31, 2014 GuestRooms		Dec. 31, 2013		Dec. 31, 2012	May 22, 2014	Jul. 17, 2014	Nov. 12, 2014	Nov. 20, 2014	Dec. 10, 2014	Dec. 18, 2014
Business Acquisition [Line Items]
Number Of Guest Rooms	6,948
Capital Leased Assets, Gross	$ 12,200,000					$ 12,200,000
Hotel acquisition costs	1,973,000		3,376,000		2,234,000
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date	34,300,000
Business Combination, Pro Forma Information, Hotel Operating Expenses of Acquiree Since Acquisition Date	21,800,000
Loans Assumed	50,725,000		90,448,000		27,175,000
Mortgage loan premium	4,026,000	[1]	5,888,000	[1]
The Prescott Hotel [Member]
Business Acquisition [Line Items]
Number Of Guest Rooms						160
Business Combination, Consideration Transferred						49,000,000
Business Combination, Additional Consideration Transferred						1,300,000
Number of Guest Rooms - Fee Simple						96
Number of Guest Rooms - Leasehold Interest						64
Lease Expiry Period						2059
Ground Lease Extension Option						30 years
Base Rent						500,000
Land						12,600,000
Furniture, fixtures and equipment						1,100,000
Buildings and improvements						31,500,000
Capital Lease Obligation						10,800,000
Below (Above) market rate contracts						3,700,000
The Nines Hotel Portland [Member]
Business Acquisition [Line Items]
Number Of Guest Rooms							331
Proceeds from Unsecured Lines of Credit							76,300,000
Business Combination, Consideration Transferred							127,000,000
Land							18,500,000
Furniture, fixtures and equipment							8,800,000
Buildings and improvements							92,300,000
Below (Above) market rate contracts							7,100,000
Loans Assumed							50,700,000
Mortgage loan premium							900,000
The Nines Hotel Portland [Member] | Minimum [Member]
Business Acquisition [Line Items]
Business Combination, Potential Indemnification Obligation							0
The Nines Hotel Portland [Member] | Maximum [Member]
Business Acquisition [Line Items]
Business Combination, Potential Indemnification Obligation							28,300,000
Westin Colonnade Coral Gables [Member]
Business Acquisition [Line Items]
Number Of Guest Rooms								157
Business Combination, Consideration Transferred								59,400,000
Land								12,100,000
Furniture, fixtures and equipment								1,300,000
Buildings and improvements								46,300,000
Below (Above) market rate contracts								300,000
Hotel Palomar LA-Westwood [Member]
Business Acquisition [Line Items]
Number Of Guest Rooms									264
Business Combination, Consideration Transferred									78,700,000
Lease Expiry Period									2107
Ground Lease Extension Option									5 years
Base Rent									3,500,000
Furniture, fixtures and equipment									1,500,000
Buildings and improvements									90,700,000
Below (Above) market rate contracts									(13,500,000)
Union Station Hotel Nashville [Member]
Business Acquisition [Line Items]
Number Of Guest Rooms										125
Business Combination, Consideration Transferred										52,300,000
Lease Expiry Period										2105
Furniture, fixtures and equipment										6,800,000
Buildings and improvements										37,800,000
Below (Above) market rate contracts										7,500,000
Union Station Hotel Nashville [Member] | Minimum [Member]
Business Acquisition [Line Items]
Base Rent										100,000
Revere Hotel Boston [Member]
Business Acquisition [Line Items]
Number Of Guest Rooms											356
Business Combination, Consideration Transferred											260,400,000
Land											41,900,000
Furniture, fixtures and equipment											10,600,000
Buildings and improvements											$ 207,800,000

[1] Loan premiums on assumed mortgages recorded in purchase accounting for the Hotel Palomar San Francisco, Embassy Suites San Diego Bay - Downtown, Hotel Modera and The Nines, a Luxury Collection Hotel, Portland.