Debt - $1 Billion Credit Facility - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2014	Apr. 18, 2013
Debt Instrument [Line Items]
Total credit facility		1,000,000,000	$ 925,000,000
Write-off of deferred financing costs	1,845,000
Senior Secured Revolving Credit Facility [Member] | Minimum [Member]
Debt Instrument [Line Items]
Fee to be paid by the company on the average unused portion		0.30%
Senior Secured Revolving Credit Facility [Member] | Maximum [Member]
Debt Instrument [Line Items]
Fee to be paid by the company on the average unused portion		0.40%
$1 Billion Credit Facility [Member]
Debt Instrument [Line Items]
Total credit facility		1,000,000,000
Maturity date		Apr. 18, 2017
Accordion feature allowing potential increase to credit facility		500,000,000
Rate added to LIBOR rate to arrive at interest rate		2.00%
Number of subsidiaries owing hotels		4
$1 Billion Credit Facility [Member] | Senior secured credit facility [Member]
Debt Instrument [Line Items]
Total credit facility		1,000,000,000
$1 Billion Credit Facility [Member] | Senior Secured Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Total credit facility		700,000,000
$1 Billion Credit Facility [Member] | Senior Secured Term Loan Facility [Member]
Debt Instrument [Line Items]
Total credit facility		300,000,000
$925 Million Credit Facility [Member]
Debt Instrument [Line Items]
Write-off of deferred financing costs	$ 1,300,000