Deferred Revenue Components Of Deferred Revenue (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Deferred Revenue [Line Items]
Deferred revenue	$ 65,839	$ 61,188
Loyalty programs [Member]
Deferred Revenue [Line Items]
Deferred revenue	58,711	53,875
Initial, relicensing and franchise fees [Member]
Deferred Revenue [Line Items]
Deferred revenue	4,899	5,354
Procurement service fees [Member]
Deferred Revenue [Line Items]
Deferred revenue	1,419	1,504
Other [Member]
Deferred Revenue [Line Items]
Deferred revenue	$ 810	$ 455