Organization - Narrative (Details)	1 Months Ended	12 Months Ended
	Feb. 29, 2016 hotel_room state hotel	Dec. 31, 2015 USD ($) hotel_room state hotel $ / shares shares	Mar. 28, 2016 $ / shares	Dec. 31, 2014 USD ($) $ / shares shares	Jan. 07, 2014 $ / shares shares
Class of Stock [Line Items]
Number of properties (hotel) | hotel		136
Number of guest rooms (hotel room) | hotel_room		16,644
Number of states in which entity operates (state) | state		32
Common stock, authorized (shares) | shares		300,000,000		300,000,000	80,000,000
Common stock, par value (usd per share) | $ / shares		$ 0.01		$ 0.01
Share price (in dollars per share) | $ / shares		$ 22.50
Common stock, outstanding (shares) | shares		36,300,777		10,163,206
Gross proceeds including shares issued under DRIP | $		$ 902,900,000		$ 252,900,000
Sub-Property Manager | United States
Class of Stock [Line Items]
Number of hotels managed by third-party sub-property managers | hotel		70
Number of hotel rooms managed by third-party sub-property managers | hotel_room		7,707
Crestline Hotels and Resorts, LLC | Affiliated Entity | United States
Class of Stock [Line Items]
Number of hotels managed by Crestline | hotel		66
Number of hotel rooms managed by Crestline | hotel_room		8,937
American Realty Capital Hospitality Special Limited Partner, LLC
Class of Stock [Line Items]
LLC contribution to the OP | $		$ 2,020
Ownership interest by LLC in OP units | shares		90
Crestline Hotels and Resorts, LLC | United States
Class of Stock [Line Items]
Number of states in which entity operates (state) | state		27
Number of hotels | hotel		100
Number of hotel rooms | hotel_room		15,104
Common Stock
Class of Stock [Line Items]
Common stock, par value (usd per share) | $ / shares					$ 0.01
Share price (in dollars per share) | $ / shares					$ 25.00
Subsequent event
Class of Stock [Line Items]
Number of properties acquired (hotel) | hotel	6
Number of guest rooms acquired (hotel room) | hotel_room	707
Number of additional states in which entity operates (state) | state	2
Share price (in dollars per share) | $ / shares			$ 23.75
Distribution reinvestment plan
Class of Stock [Line Items]
Common stock, authorized (shares) | shares					21,052,631