Debt (Details) (USD $)	3 Months Ended		9 Months Ended			9 Months Ended	1 Months Ended	0 Months Ended	9 Months Ended			9 Months Ended		9 Months Ended										3 Months Ended								9 Months Ended		1 Months Ended				3 Months Ended	9 Months Ended
	Sep. 30, 2014 Hotels	Sep. 30, 2013	Sep. 30, 2014 Hotels	Sep. 30, 2013	Dec. 31, 2013	Sep. 30, 2014 Knickerbocker [Member]	Jul. 31, 2014 Libor Plus Two Point Five Percent Due July Two Thousand Seventeen [Member] [Member]	Jul. 25, 2014 Libor Plus Three Point Zero Percent Due March 2017 [Member]	Sep. 30, 2014 Line of Credit [Member]	Sep. 30, 2014 Line of Credit [Member] Libor Plus Three Point Three Seven Five Percent Due June 2016 [Member] Hotels	Dec. 31, 2013 Line of Credit [Member] Libor Plus Three Point Three Seven Five Percent Due June 2016 [Member]	Sep. 30, 2014 Mortgages [Member] Libor Plus Two Point Five Percent Due July Two Thousand Seventeen [Member] [Member] Hotels	Dec. 31, 2013 Mortgages [Member] Libor Plus Two Point Five Percent Due July Two Thousand Seventeen [Member] [Member]	Sep. 30, 2014 Mortgages [Member] Libor Plus Three Point Zero Percent Due March 2017 [Member] Hotels	Dec. 31, 2013 Mortgages [Member] Libor Plus Three Point Zero Percent Due March 2017 [Member]	Sep. 30, 2014 Mortgages [Member] Four Point Nine Five Percent Due October 2022 [Member] Hotels	Dec. 31, 2013 Mortgages [Member] Four Point Nine Five Percent Due October 2022 [Member]	Sep. 30, 2014 Mortgages [Member] Four Point Nine Four Percent Due October 2022 [Member] Hotels	Dec. 31, 2013 Mortgages [Member] Four Point Nine Four Percent Due October 2022 [Member]	Sep. 30, 2014 Senior Notes [Member] Six Point Seven Five Percent Due June 2019 [Member] Hotels	Dec. 31, 2013 Senior Notes [Member] Six Point Seven Five Percent Due June 2019 [Member]	Sep. 30, 2014 Senior Notes [Member] Five Point Six Two Five Percent Due March 2023 [Member] Hotels	Dec. 31, 2013 Senior Notes [Member] Five Point Six Two Five Percent Due March 2023 [Member]	Sep. 30, 2014 Senior Notes [Member] Ten Point Zero Zero Percent Due October 2014 [Member] Hotels	Sep. 30, 2014 Construction tranche [Member] Libor Plus Four Point Zero Percent Due May 2016 [Member]	Dec. 31, 2013 Construction tranche [Member] Libor Plus Four Point Zero Percent Due May 2016 [Member]	Sep. 30, 2014 Cash collateralized tranche [Member] Libor Plus One Point Two Five Percent Due May 2016 [Member]	Dec. 31, 2013 Cash collateralized tranche [Member] Libor Plus One Point Two Five Percent Due May 2016 [Member]	Dec. 31, 2013 Retired Debt	Sep. 30, 2014 Knickerbocker Loan Knickerbocker [Member]	Nov. 30, 2012 Knickerbocker Loan Knickerbocker [Member]	Sep. 30, 2014 Knickerbocker Loan Libor Plus Four Point Zero Percent Due May 2016 [Member]	Sep. 30, 2014 Knickerbocker Loan Libor Plus One Point Two Five Percent Due May 2016 [Member]	May 31, 2014 Secured Debt [Member]	Apr. 30, 2014 Secured Debt [Member] Hotels	Mar. 31, 2014 Secured Debt [Member]	Jan. 31, 2014 Secured Debt [Member]	Sep. 30, 2014 Secured Debt [Member]	Sep. 30, 2014 Secured Debt [Member]	Jul. 31, 2014 Secured Debt [Member] Hotels
Debt Instrument [Line Items]
Number of encumbered hotels (in hotels)	35		35							8		3		4		4		1		6		9
Interest rate																4.95%		4.94%		6.75%		5.625%		10.00%
Variable rate basis							LIBOR	LIBOR		LIBOR		LIBOR		LIBOR																		LIBOR	LIBOR
Variable rate basis spread							2.50%	3.00%		3.375%		2.50%		3.00%																		4.00%	1.25%
Long-term Debt	$ 1,621,644,000		$ 1,621,644,000		$ 1,663,226,000					$ 146,500,000	$ 88,000,000	$ 140,000,000	$ 0	$ 64,000,000	$ 0	$ 124,930,000	$ 126,220,000	$ 31,353,000	$ 31,714,000	$ 525,000,000	$ 525,000,000	$ 525,000,000	$ 525,000,000		$ 44,577,000	$ 0	$ 20,284,000	$ 64,861,000	$ 302,431,000			$ 44,600,000	$ 20,300,000							$ 140,000,000
Remaining borrowing capacity of construction loan																														20,100,000
Maximum borrowing capacity of construction loan																															85,000,000
Credit facility, capacity									225,000,000
Term of debt extension						1 year	2 years		1 year
Debt Instrument, Face Amount																								234,000,000
Interest expense	21,922,000	25,796,000	71,644,000	78,457,000
Interest income	13,000	15,000	41,000	60,000
Capitalized interest	4,100,000	3,400,000	12,400,000	9,100,000
Repayments of secured debt																																		19,200,000	15,600,000	17,100,000	10,900,000	9,600,000
Number of hotels																								11											2					3
Debt extinguishment	$ (4,730,000)	$ 0	$ (4,763,000)	$ 0																				$ 3,800,000														$ 914,000	$ 251,000