Related Party Transactions - Additional Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($) Hotel	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 30, 2015 Hotel
Related Party Transaction [Line Items]
Number of hotels in ownership by Company | Hotel	38
Management and accounting fees paid by the company | $	$ 9.2	$ 8.5	$ 5.8
Amounts due to related party | $	0.9	1.0
Management fees recorded within hotel other operating expenses | $	$ 9.4	8.7	6.1
Island Hospitality Management Inc.
Related Party Transaction [Line Items]
Ownership percentage in related party owned by third party	45.00%
Management fees recorded within hotel other operating expenses | $	$ 0.3	0.3	0.2
NewINK Joint Venture
Related Party Transaction [Line Items]
Number of hotels in ownership by Company | Hotel	47			47
Insurance expense | $	$ 6.2	4.2	3.3
Inland Joint Venture
Related Party Transaction [Line Items]
Number of hotels in ownership by Company | Hotel	48
Number of hotels acquired | Hotel	48			48
Island Hospitality Management Inc.
Related Party Transaction [Line Items]
Ownership percentage in related party owned by the company's chairman	51.00%
Number of hotels managed by related party | Hotel	36
Management fees recorded within hotel other operating expenses | $	$ 0.3	$ 0.3	$ 0.2
Island Hospitality Management Inc. | Inland Joint Venture
Related Party Transaction [Line Items]
Number of hotels managed by related party | Hotel	34
NorthStar Realty Finance Corp
Related Party Transaction [Line Items]
Ownership percentage in related party owned by the company's chairman	2.50%
Ownership percentage in related party owned by third party	97.50%