Debt - Additional Information (Detail) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended				9 Months Ended							9 Months Ended	12 Months Ended	1 Months Ended	3 Months Ended	9 Months Ended		9 Months Ended		1 Months Ended					9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Apr. 18, 2013	Dec. 31, 2012	Sep. 30, 2013 Senior Secured Revolving Credit Facility [Member] Minimum [Member]	Sep. 30, 2013 Senior Secured Revolving Credit Facility [Member] Maximum [Member]	Sep. 30, 2013 $1 Billion Credit Facility [Member] Hotel	Dec. 31, 2012 $1 Billion Credit Facility [Member]	Apr. 18, 2013 $1 Billion Credit Facility [Member] Senior secured credit facility [Member]	Apr. 18, 2013 $1 Billion Credit Facility [Member] Senior Secured Revolving Credit Facility [Member]	Apr. 18, 2013 $1 Billion Credit Facility [Member] Senior Secured Term Loan Facility [Member]	Sep. 30, 2013 $925 Million Credit Facility [Member]	Dec. 31, 2012 $925 Million Credit Facility [Member]	Jul. 31, 2013 3.75% Convertible Senior Notes [Member]	Sep. 30, 2013 3.75% Convertible Senior Notes [Member]	Sep. 30, 2013 3.75% Convertible Senior Notes [Member]	Dec. 31, 2012 3.75% Convertible Senior Notes [Member]	Sep. 30, 2013 5% Senior Notes [Member]	Dec. 31, 2012 5% Senior Notes [Member]	Apr. 15, 2019 5% Senior Notes [Member] Forecast [Member]	Apr. 15, 2018 5% Senior Notes [Member] Forecast [Member]	Apr. 15, 2017 5% Senior Notes [Member] Forecast [Member]	Apr. 16, 2016 5% Senior Notes [Member] Forecast [Member]	Apr. 15, 2016 5% Senior Notes [Member] Forecast [Member]	Sep. 30, 2013 6.75% Senior Notes [Member]	Dec. 31, 2012 6.75% Senior Notes [Member]
Debt Instrument [Line Items]
Total credit facility					$ 925,000,000				$ 1,000,000,000		$ 1,000,000,000	$ 700,000,000	$ 300,000,000		$ 925,000,000
Total Debt	1,174,813,000		1,174,813,000			1,031,863,000			533,000,000			154,000,000			545,000,000		290,689,000	290,689,000	333,039,000	350,000,000								152,180,000
Maturity Date									Apr. 18, 2017						Aug. 01, 2015
Fee to be paid by the Company on the average unused portion							0.30%	0.40%
Accordion feature allowing potential increase to credit facility									500,000,000
Number of subsidiaries owing hotels									4
Write-off of deferred financing costs			1,845,000											1,300,000													500,000
Convertible notes, Outstanding amount																	360,000,000	360,000,000
Conversion rate per $ 1,000 principal of convertible notes																		46.2165
Conversion price per share																	$ 21.64	$ 21.64
Common Stock principal amount of convertible notes																	1,000	1,000
Cancellation of Convertible notes																54,700,000
Aggregate consideration for cancellation of convertible notes																98,600,000
Common Shares surrendered by counter party																0.2
Value of convertible notes converted by a holder																1,200,000
Face amount of outstanding debt																	304,100,000	304,100,000		350,000,000
Loss on extinguishment on Debt	(4,181,000)		(4,181,000)														(4,200,000)	(4,200,000)
Reduction in stockholder's equity due to repurchase and conversion transactions																	(43,500,000)	(43,500,000)
Strike price of purchased option			21.64
Purchased options number of shares	14.1		14.1
Approximate number of common stock share which can be purchased under warrants	14.1		14.1
Exercise price of common stock	25.96		25.96														25.96	25.96
Maturity year of note																		2014		2021
Interest rate of Senior Notes																	3.75%	3.75%		5.00%							6.75%
Maturity date for Notes																		Oct. 01, 2014		Apr. 15, 2021							Nov. 15, 2014
First semi-annual interest payment date																				April 15
Second semi-annual interest payment date																				October 15
Semi-annual interest payment beginning date																				Oct. 15, 2013
Redemption price expressed as percentage of principal amount																						100.00%	101.25%	102.50%	100.00%	103.75%
Debt instrument exchange description																				In connection with the issuance of the 5% Senior Notes, the Company entered into a registration rights agreement under which the Company is required to use its commercially reasonable efforts to complete a registered offer to exchange the 5% Senior Notes for registered notes with substantially identical terms as the 5% Senior Notes within 270 days of the closing of the issuance of the 5% Senior Notes.
Senior notes, Closing period																				270 days
Net proceeds from issuance of senior notes			$ 350,000,000																	$ 342,000,000