Organization (Details)	1 Months Ended	3 Months Ended	6 Months Ended
	Jan. 31, 2014 USD ($)	Jun. 30, 2018 USD ($) Hotel Room state $ / shares shares	Jun. 30, 2018 USD ($) Hotel Room state $ / shares shares	Jun. 30, 2017 USD ($)	Dec. 31, 2014 Hotel Room	Nov. 17, 2014	Jun. 30, 2014 Hotel Room	Jun. 09, 2014
Subsidiary, Sale of Stock [Line Items]
Proceeds from issuance of common shares			$ 10,681,000	$ 16,871,000
Percentage of common units of limited partnership owned			100.00%
Number of hotels in ownership by Company (in hotels) | Hotel		40	40
Aggregate number of rooms in hotels (in rooms) | Room		6,020	6,020
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					6,402
Indirect ownership in the leased hotels		10.00%	10.00%			10.00%	10.00%
Number of hotels acquired (in hotels) | Hotel		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) | Hotel		34	34
Inland Joint Venture | Marriott International, Inc.
Subsidiary, Sale of Stock [Line Items]
Number of hotels managed by related party (in hotels) | Hotel		14	14
Island Hospitality Management Inc.
Subsidiary, Sale of Stock [Line Items]
Number of hotels managed by related party (in hotels) | Hotel		40	40
Ownership percentage in related party owned by the company's chairman		51.00%	51.00%
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) | Hotel							47
Indirectly Owned Interest In Joint Venture Hotels
Subsidiary, Sale of Stock [Line Items]
Number of hotels in ownership by Company (in hotels) | Hotel		47	47
ATM Plan
Subsidiary, Sale of Stock [Line Items]
Stock purchase plan, authorized amount	$ 50,000,000
Registration statement filed, amount	100,000,000
Total number of shares issued (in shares) | shares		2,147,695	2,147,695
Shares issued (in shares) | shares		0
Stock purchase plan, average price per share (in dollars per share) | $ / shares			$ 21.87
Stock purchase plan, remaining authorized repurchase amount		$ 100,000,000	$ 100,000,000
DRSP Plan
Subsidiary, Sale of Stock [Line Items]
Stock purchase plan, authorized amount	25,000,000
Registration statement filed, amount	$ 50,000,000
Total number of shares issued (in shares) | shares		1,215,181	1,215,181
Shares issued (in shares) | shares		7,212
Stock purchase plan, average price per share (in dollars per share) | $ / shares			$ 21.61
Stock purchase plan, remaining authorized repurchase amount		$ 39,300,000	$ 39,300,000
Weighted average price (in dollars per share) | $ / shares		$ 20.02	$ 20.02
Proceeds from issuance of common shares		$ 100,000