Quarterly Operating Results (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract]
Revenue from Hotels	$ 155,934	$ 169,676	$ 147,454	$ 125,712	$ 126,768	$ 131,234	$ 126,301	$ 104,914	$ 598,776	$ 489,217	$ 380,688
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	16,090	30,439	22,893	4,121	10,980	17,527	14,931	(246)	73,543	43,192	26,508
Net Income (Loss) Attributable to Parent	15,950	30,165	22,673	4,078	10,917	17,415	14,834	(248)	72,866	42,918	26,079
Net income (loss) attributable to common shareholders	$ 9,462	$ 23,737	$ 16,591	$ (2,003)	$ 4,836	$ 11,315	$ 8,730	$ (4,916)	$ 47,787	$ 19,965	$ 8,254
Earnings Per Share, Basic and Diluted	$ 0.13	$ 0.36	$ 0.26	$ (0.03)	$ 0.08	$ 0.18	$ 0.14	$ (0.08)