Acquisition of Hotel Properties - Pro forma Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Pro forma income per share:
Weighted average number of common shares - basic (in shares)	38,213,219	38,212,028	38,211,833	37,018,039	33,972,134	27,370,815	26,437,878	26,271,678	37,917,871	28,531,094	21,035,892
Weighted average number of common shares - diluted (in shares)	38,619,472	38,614,360	38,618,824	37,322,278	33,972,134	27,695,347	26,734,919	26,271,678	38,322,285	28,846,724	21,283,831
Recent Acquisitions
Business Acquisition, Pro Forma Information [Line Items]
Pro forma total revenue									$ 292,908	$ 271,321	$ 216,239
Pro forma net income									$ 32,137	$ 22,013	$ 72,477
Pro forma income per share:
Basic (in dollars per share)									$ 0.85	$ 0.58	$ 1.91
Diluted (in dollars per share)									$ 0.84	$ 0.57	$ 1.89
Weighted average number of common shares - basic (in shares)									37,917,871	37,917,871	37,917,871
Weighted average number of common shares - diluted (in shares)									38,322,285	38,322,285	38,322,285