Debt and Other Long-Term Liabilities Disclosure - Debt and Other Long-Term Liabilities (Schedule of Other Long-Term Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Debt Disclosure [Abstract]
Other Long Term Debt Related To Tenant Improvements And Deferred Rent	$ 13,013	$ 9,301
Unrecognized tax benefits net	4,638outr_UnrecognizedTaxBenefitsNet	2,781outr_UnrecognizedTaxBenefitsNet
Deferred Credits and Other Liabilities, Noncurrent	$ 17,651	$ 12,082

Carrying amount as of the balance sheet date of unearned revenue or income, not otherwise specified in the taxonomy, which is expected to be taken into income after one year or beyond the normal operating cycle, if longer and noncurrent obligations not separately disclosed in the balance sheet (other liabilities, noncurrent).

No definition available.

Name:	us-gaap_DeferredCreditsAndOtherLiabilitiesNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant