Planned Marriott Merger - Additional Information (Detail) - Marriott International Inc	6 Months Ended
	Jun. 30, 2016 Director	Nov. 15, 2015 $ / shares
Business Acquisition [Line Items]
Date of merger agreement	Nov. 15, 2015
Agreement amendment date	Mar. 20, 2016
Transaction approval date	Apr. 08, 2016
Number of shares received by shareholders of acquiree for each acquirer share		0.80
Cash received by shareholders, per share | $ / shares		$ 21.00
Shareholder ownership percentage after merger		34.00%
Number of board of directors before merger	11
Number of board of directors after merger	14