Leases - Additional Information (Details) - Hotel	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Leases [Abstract]
Number of hotel properties under operating leases	5	5
Number of hotel properties under capital leases	1	1
Number of hotel properties under lease land	13
Number of hotel properties under certain facilities	8
Leases starting expiration date	2018
Leases ending expiration date	2141
Date majority of leases expire	2027