Debt (Details) (USD $)	1 Months Ended	12 Months Ended			1 Months Ended	0 Months Ended	1 Months Ended					3 Months Ended
	Sep. 30, 2012	Dec. 31, 2014 Hotels	Dec. 31, 2013	Dec. 31, 2012	Jul. 31, 2014	Jul. 25, 2014	Dec. 31, 2012	May 31, 2014	Apr. 30, 2014	Mar. 31, 2014	Jan. 31, 2014	Sep. 30, 2014	Aug. 31, 2014 Hotels	Nov. 30, 2012
Debt Instrument [Line Items]
Number of encumbered hotels (in hotels)		35
Decrease in Commitment Fee		0.10%
Line of Credit Facility, Commitment Fee Percentage		0.40%
Long-term Debt		$ 1,585,867,000	$ 1,663,226,000
Debt extinguishment		(4,770,000)	0	(72,350,000)
Debt extinguishment charges	11,600,000
Number of hotels secured by first lien mortgages and related security interests and / or negative pledges (in hotels)		15
Aggregate net book value		1,400,000,000
Interest expense		90,695,000	103,787,000	121,552,000
Interest income		48,000	78,000	138,000
Capitalized interest		16,300,000	12,800,000	12,900,000
Maturities of Long-term Debt [Abstract]
2015		2,466,000
2016		179,013,000
2017		206,810,000
2018		2,954,000
2019		528,106,000
Thereafter		666,518,000
Aggregate principal outstanding		1,585,867,000
Long-term debt		1,585,867,000	1,663,226,000
Libor Plus Two Point Five Percent Due July 2017 [Member]
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis					LIBOR
Debt Instrument, Basis Spread on Variable Rate					2.50%
Term of debt extension					2 years
Libor Plus Three Point Zero Percent Due March 2017 [Member]
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis						LIBOR
Debt Instrument, Basis Spread on Variable Rate						3.00%
Line of Credit [Member]
Debt Instrument [Line Items]
Credit facility, capacity		225,000,000
Term of debt extension		1 year
Line of Credit [Member] | Libor Plus Three Point Three Seven Five Percent Due June 2016 [Member]
Debt Instrument [Line Items]
Number of encumbered hotels (in hotels)		8
Debt Instrument, Description of Variable Rate Basis		LIBOR
Debt Instrument, Basis Spread on Variable Rate		3.375%
Long-term Debt		111,500,000	88,000,000
Maturities of Long-term Debt [Abstract]
Long-term debt		111,500,000	88,000,000
Line of Credit [Member] | Libor Plus Four Point Five Percent Due August 2014 [Member]
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis		LIBOR
Debt Instrument, Basis Spread on Variable Rate		4.50%
Mortgages [Member]
Debt Instrument [Line Items]
Long-term Debt		1
Debt extinguishment charges							62,100,000
Notional amount of interest rate cap		140,000,000
Maturities of Long-term Debt [Abstract]
Long-term debt		1
Mortgages [Member] | Libor Plus Two Point Five Percent Due July 2017 [Member]
Debt Instrument [Line Items]
Number of encumbered hotels (in hotels)		3
Debt Instrument, Description of Variable Rate Basis		LIBOR
Debt Instrument, Basis Spread on Variable Rate		2.50%
Long-term Debt		140,000,000	0
Maturities of Long-term Debt [Abstract]
Long-term debt		140,000,000	0
Mortgages [Member] | Four Point Nine Five Percent Due October 2022 [Member]
Debt Instrument [Line Items]
Number of encumbered hotels (in hotels)		4
Interest rate	4.95%	4.95%
Long-term Debt		124,278,000	126,220,000
Face amount of debt	160,800,000
Number of loans (in loans)	5
Term of loan	10 years
Maturities of Long-term Debt [Abstract]
Long-term debt		124,278,000	126,220,000
Mortgages [Member] | Four Point Nine Four Percent Due October 2022 [Member]
Debt Instrument [Line Items]
Number of encumbered hotels (in hotels)		1
Interest rate		4.94%
Long-term Debt		31,228,000	31,714,000
Maturities of Long-term Debt [Abstract]
Long-term debt		31,228,000	31,714,000
Mortgages [Member] | Nine Point Zero Two Percent Due April 2014 [Member]
Debt Instrument [Line Items]
Interest rate	9.02%
Repayments of secured debt	107,000,000
Mortgages [Member] | Libor Plus Two Point Two Zero Percent Due May 2013 [Member]
Debt Instrument [Line Items]
Repayments of secured debt	60,000,000
Hotels securing retired loans	5
Mortgages [Member] | Eight Point One Percent Mortgage Loan [Member]
Debt Instrument [Line Items]
Interest rate				8.10%			8.10%
Repayments of secured debt							186,500,000
Mortgages [Member] | Libor Plus Three Point Zero Percent Due March 2017 [Member]
Debt Instrument [Line Items]
Number of encumbered hotels (in hotels)		4
Debt Instrument, Description of Variable Rate Basis		LIBOR
Debt Instrument, Basis Spread on Variable Rate		3.00%
Long-term Debt		64,000,000	0
Maturities of Long-term Debt [Abstract]
Long-term debt		64,000,000	0
Senior Notes [Member] | Ten Point Zero Zero Percent Due October 2014 [Member]
Debt Instrument [Line Items]
Interest rate				10.00%			10.00%						10.00%
Senior debt repaid							258,000,000
Face amount of debt													234,000,000
Number of Real Estate Properties													11
Debt extinguishment		3,800,000
Senior Notes [Member] | Six Point Seven Five Percent Due June 2019 [Member]
Debt Instrument [Line Items]
Number of encumbered hotels (in hotels)		6
Interest rate		6.75%
Long-term Debt		525,000,000	525,000,000
Maturities of Long-term Debt [Abstract]
Long-term debt		525,000,000	525,000,000
Senior Notes [Member] | Five Point Six Two Five Percent Due March 2023 [Member]
Debt Instrument [Line Items]
Number of encumbered hotels (in hotels)		9
Interest rate		5.625%
Long-term Debt		525,000,000	525,000,000
Maturities of Long-term Debt [Abstract]
Long-term debt		525,000,000	525,000,000
Secured Debt [Member]
Debt Instrument [Line Items]
Long-term Debt		1,600,000,000			140,000,000				2
Repayments of secured debt								19,200,000	15,600,000	17,100,000	10,900,000	9,600,000
Number of Real Estate Properties					3
Debt extinguishment		251,000										914,000
Maturities of Long-term Debt [Abstract]
Long-term debt		1,600,000,000			140,000,000				2
Construction Loans [Member] | Libor Plus Four Point Zero Percent Due May 2016 [Member]
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis		LIBOR
Debt Instrument, Basis Spread on Variable Rate		4.00%
Long-term Debt		58,600,000
Maturities of Long-term Debt [Abstract]
Long-term debt		58,600,000
Construction Loans [Member] | Libor Plus One Point Two Five Percent Due May 2016 [Member]
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis		LIBOR
Debt Instrument, Basis Spread on Variable Rate		1.25%
Long-term Debt		6,300,000
Maturities of Long-term Debt [Abstract]
Long-term debt		6,300,000
Construction tranche [Member] | Libor Plus Four Point Zero Percent Due May 2016 [Member]
Debt Instrument [Line Items]
Long-term Debt		58,562,000	0
Maturities of Long-term Debt [Abstract]
Long-term debt		58,562,000	0
Cash collateralized tranche [Member] | Libor Plus One Point Two Five Percent Due May 2016 [Member]
Debt Instrument [Line Items]
Long-term Debt		6,299,000	64,861,000
Maturities of Long-term Debt [Abstract]
Long-term debt		6,299,000	64,861,000
Retired Debt [Member]
Debt Instrument [Line Items]
Long-term Debt			302,431,000
Maturities of Long-term Debt [Abstract]
Long-term debt			302,431,000
Knickerbocker [Member] | Construction Loans [Member]
Debt Instrument [Line Items]
Remaining Borrowing Capacity of Construction Loan		20,100,000
Term of debt extension		1 year
Maturities of Long-term Debt [Abstract]
Maximum Borrowing Capacity of Construction Loan														$ 85,000,000
Pool of Hotels Securing Repaid Loan [Member] | Mortgages [Member] | Nine Point Zero Two Percent Due April 2014 [Member]
Debt Instrument [Line Items]
Hotels securing retired loans	7
Hotels Mortgaged to Support New Loans [Member] | Mortgages [Member] | Nine Point Zero Two Percent Due April 2014 [Member]
Debt Instrument [Line Items]
Hotels securing retired loans	4
Hotels Unencumbered [Member] | Libor Plus Two Point Two Zero Percent Due May 2013 [Member]
Debt Instrument [Line Items]
Hotels securing retired loans	3
Non-Strategic [Member] | Mortgages [Member] | Libor Plus Two Point Two Zero Percent Due May 2013 [Member]
Debt Instrument [Line Items]
Number of unencumbered hotels (in hotels)	2