Company Information and Significant Accounting Policies Narrative (Details) (USD $) In Millions, unless otherwise specified				9 Months Ended
	Sep. 30, 2014 Accounts Payable [Member]	Dec. 31, 2013 Accounts Payable [Member]	Sep. 30, 2014 Cash and cash equivalents [Member]	Sep. 30, 2014 MainStay Suites [Member] hotel
Significant Accounting Policies [Line Items]
Company-owned hotels approved to be sold				3
Company-owned hotels				3
Book overdrafts	$ 8.4	$ 5.0
International cash			$ 180.6