Basis of financial statement presentation Escrow and prepaid customer deposits (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011
Escrow And Prepaid Customer Deposits	$ (565)	$ (538)

This element represent Escrow and prepaid customer deposits during the reporting period.

No definition available.

Name:	oeh_EscrowAndPrepaidCustomerDeposits
Namespace Prefix:	oeh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration