Organization - Additional Information (Details)		1 Months Ended	9 Months Ended	33 Months Ended
	Jan. 27, 2015 USD ($) shares	Jan. 31, 2014 USD ($)	Sep. 30, 2016 USD ($) Hotel Room state	Sep. 30, 2016 USD ($) Hotel Room state $ / shares shares	Dec. 31, 2015 Room	Dec. 30, 2015	Dec. 31, 2014 Hotel Room	Nov. 17, 2014	Jun. 30, 2014 Hotel Room	Jun. 09, 2014	Apr. 17, 2013 Room
Subsidiary, Sale of Stock [Line Items]
Shares issued (in shares) | shares	4,025,000
Proceeds from issuance of common stock, net of issuance costs | $	$ 118,800,000
Percentage of common units of limited partnership owned			100.00%
Number of hotels in ownership by Company (in hotels)			38	38
Aggregate number of rooms in hotels (in rooms) | Room			5,680	5,680
Number of states in which hotels are owned (in states) | state			15	15
Initial term of each TRS lease			5 years
NewINK Joint Venture
Subsidiary, Sale of Stock [Line Items]
Indirect ownership in the leased hotels			10.30%	10.30%						10.30%
Inland Joint Venture
Subsidiary, Sale of Stock [Line Items]
Aggregate number of rooms in hotels (in rooms) | Room							6,401
Indirect ownership in the leased hotels			10.00%	10.00%				10.00%
Number of hotels acquired (in hotels)			48	48			48
Inland Joint Venture | Island Hospitality Management Inc.
Subsidiary, Sale of Stock [Line Items]
Number of hotels managed by related party (in hotels)			34	34
Inland Joint Venture | Marriott International, Inc.
Subsidiary, Sale of Stock [Line Items]
Number of hotels managed by related party (in hotels)			14	14
Torrance Joint Venture | Cerberus Capital Management
Subsidiary, Sale of Stock [Line Items]
Indirect ownership in the leased hotels						5.00%
Island Hospitality Management Inc.
Subsidiary, Sale of Stock [Line Items]
Number of hotels managed by related party (in hotels)			36	36
Ownership percentage in related party owned by the company's chairman			51.00%	51.00%
Ownership percentage in related party owned by third party			45.00%	45.00%
Concord Hospitality Enterprises
Subsidiary, Sale of Stock [Line Items]
Number of hotels managed by related party (in hotels)			2	2
Minority Interest In Joint Venture Rooms | Cerberus Capital Management
Subsidiary, Sale of Stock [Line Items]
Aggregate number of rooms in hotels (in rooms) | Room									6,097
Number of hotels managed by related party (in hotels)									47
Torrance Joint Venture | Cerberus Capital Management
Subsidiary, Sale of Stock [Line Items]
Aggregate number of rooms in hotels (in rooms) | Room					248						248
Indirect ownership in the leased hotels					5.00%						5.00%
Indirectly Owned Interest In Joint Venture Hotels
Subsidiary, Sale of Stock [Line Items]
Number of hotels in ownership by Company (in hotels)			47	47
Over-Allotment Option
Subsidiary, Sale of Stock [Line Items]
Shares issued (in shares) | shares	525,000
ATM Plan
Subsidiary, Sale of Stock [Line Items]
Stock purchase plan, authorized amount | $		$ 50,000,000
Shares issued (in shares) | shares				880,820
Stock purchase plan, average price per share (in dollars per share) | $ / shares				$ 23.54
Stock purchase plan, remaining authorized repurchase amount | $			$ 29,300,000	$ 29,300,000
DRSP Plan
Subsidiary, Sale of Stock [Line Items]
Stock purchase plan, authorized amount | $		$ 25,000,000
Shares issued (in shares) | shares				22,049
Stock purchase plan, average price per share (in dollars per share) | $ / shares				$ 21.97
Stock purchase plan, remaining authorized repurchase amount | $			$ 24,500,000	$ 24,500,000