SUBSEQUENT EVENTS (Details) (USD $)	6 Months Ended		1 Months Ended		6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended	0 Months Ended	6 Months Ended						0 Months Ended				0 Months Ended		0 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	May 31, 2013 Senior secured revolving credit facility	Jun. 30, 2013 Senior secured revolving credit facility	Jun. 30, 2013 Series A Cumulative Redeemable Preferred Stock	Dec. 31, 2012 Series A Cumulative Redeemable Preferred Stock	Jun. 30, 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	Jun. 30, 2013 Series C Cumulative Redeemable Preferred Stock	Jun. 30, 2013 Common stock	Jun. 30, 2012 Common stock	Jul. 22, 2013 Subsequent Event Senior secured interim loan	Aug. 01, 2013 Subsequent Event Senior secured revolving credit facility	Jul. 26, 2013 Subsequent Event Senior secured revolving credit facility	Jul. 22, 2013 Subsequent Event Term loan with KeyBank, maturing in August, 2023	Jul. 26, 2013 Subsequent Event Term loan with MetaBank, maturing in August, 2018	Aug. 03, 2013 Subsequent Event Term loan with ING maturing in August, 2038	Aug. 01, 2013 Subsequent Event Term loan with ING maturing in August, 2038	Aug. 03, 2013 Subsequent Event Amended term loan with ING	Aug. 01, 2013 Subsequent Event Amended term loan with ING item	Aug. 01, 2013 Subsequent Event Series A Cumulative Redeemable Preferred Stock	Aug. 01, 2013 Subsequent Event Series B Cumulative Redeemable Preferred Stock	Aug. 01, 2013 Subsequent Event Series C Cumulative Redeemable Preferred Stock	Aug. 01, 2013 Subsequent Event Common stock	Jul. 01, 2013 Subsequent Event Common stock
Subsequent events
Shares of common stock issued to redeem common units											2,228,544	3,270,062														237,860
Cash dividends declared, common stock (in dollars per share)																									$ 0.1125
Cash dividends declared, preferred stock (in dollars per share)																						$ 0.578125	$ 0.4921875	$ 0.4453125
Preferred stock, dividend rate (as a percent)					9.25%	9.25%	7.875%	7.875%	7.125%	7.125%												9.25%	7.875%	7.125%
Maximum borrowing capacity				$ 150,000,000										$ 150,000,000	$ 150,000,000	$ 38,700,000	$ 8,700,000		$ 34,000,000
Loan amount													92,000,000
Fixed interest rate (as a percent)																4.95%	4.25%		4.55%
Amortization period																30 years	20 years	25 years
Reduction in collateral																				3,900,000
Additional Borrowings			36,700,000
Additional proceeds to be received after attaining performance level																	1,300,000
Advance proceeds from debt	$ 268,150,000	$ 127,085,000															$ 7,400,000
Mortgage Debt Secured by Number of Hotels																					14