EQUITY (Details) (USD $)	12 Months Ended			0 Months Ended		12 Months Ended		0 Months Ended	12 Months Ended		0 Months Ended	12 Months Ended		0 Months Ended	12 Months Ended						0 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Oct. 03, 2012 Hotel properties hotelproperty	Oct. 28, 2011 Series A Cumulative Redeemable Preferred Stock	Dec. 31, 2013 Series A Cumulative Redeemable Preferred Stock	Dec. 31, 2012 Series A Cumulative Redeemable Preferred Stock	Dec. 11, 2012 Series B Cumulative Redeemable Preferred Stock	Dec. 31, 2013 Series B Cumulative Redeemable Preferred Stock	Dec. 31, 2012 Series B Cumulative Redeemable Preferred Stock	Mar. 20, 2013 Series C Cumulative Redeemable Preferred Stock	Dec. 31, 2013 Series C Cumulative Redeemable Preferred Stock	Dec. 31, 2012 Series C Cumulative Redeemable Preferred Stock	Feb. 15, 2011 Common Stock	Dec. 31, 2013 Common Stock	Dec. 31, 2012 Common Stock	Dec. 31, 2013 Common Stock Operating partnership	Dec. 31, 2012 Common Stock Operating partnership	Dec. 31, 2013 Common Stock Independent directors and executive officers	Dec. 31, 2012 Common Stock Independent directors and executive officers	Feb. 15, 2011 Common Stock IPO	Feb. 15, 2011 Common Stock Private placement	Sep. 19, 2013 Common Stock Public offering	Jan. 14, 2013 Common Stock Public offering	Oct. 03, 2012 Common Stock Public offering
Equity
New issued stock (in shares)					2,000,000			3,000,000			3,400,000										26,000,000	1,274,000	17,250,000	17,250,000	13,800,000
Proceeds from equity offerings, net of offering costs	$ 381,795,000	$ 178,858,000	$ 288,716,000		$ 47,900,000			$ 72,500,000			$ 81,700,000			$ 240,800,000									$ 152,000,000	$ 148,100,000	$ 106,400,000
Underwriting discount and offering-related expenses					$ 2,100,000			$ 2,500,000			$ 3,300,000			$ 25,000,000									$ 6,500,000	$ 7,200,000	$ 6,100,000
Number of hotel properties acquired				10
Shares of common stock issued to redeem common units															4,414,950	4,873,625	4,414,950	4,873,625
Stock issued to officers and directors (in shares)															327,806	208,027			327,806	208,027
Preferred stock, dividend rate (as a percent)					9.25%	9.25%	9.25%	7.875%	7.875%	7.875%	7.125%	7.125%	7.125%
Preferred stock, liquidation preference (in dollars per share)						$ 25			$ 25			$ 25
Annual dividend rate per share (in dollars per share)						$ 2.3125			$ 1.96875			$ 1.78125