Amount of cash payments made as a result of a contingent consideration arrangement.

No definition available.

Name:	oeh_BusinessAcquisitionContingentConsiderationCashPayment
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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

Represents the amount of vendor financing included in the purchase price paid to acquire the entity.

+ References

No definition available.

+ Details

Name:	oeh_BusinessAcquisitionCostOfAcquiredEntityVendorFinancing
Namespace Prefix:	oeh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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Balance Type:	na
Period Type:	duration

- Definition

Represents the number of installments for the payment of purchase price by a former director for significant acquisition on the exercise of purchase option by non-recourse promissory note.

+ References

No definition available.

+ Details

Name:	oeh_SignificantAcquisitionsAndDisposalsNumberOfInstallmentsForPaymentOfPurchasePriceByFormerDirectorOnExerciseOfPurchaseOptionByNonrecoursePromissoryNote
Namespace Prefix:	oeh_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the percentage of purchase price to be paid by a former director of the entity for significant acquisition on the exercise of first refusal right.

+ References

No definition available.

+ Details

Name:	oeh_SignificantAcquisitionsAndDisposalsPercentageOfPurchasePriceToBePaidByFormerDirectorOnExerciseOfFirstRefusalRight
Namespace Prefix:	oeh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the percentage of purchase price to be paid by a former director of the entity for significant acquisition on the exercise of purchase option by non-recourse promissory note.

+ References

No definition available.

+ Details

Name:	oeh_SignificantAcquisitionsAndDisposalsPercentageOfPurchasePriceToBePaidByFormerDirectorOnExerciseOfPurchaseOptionByNonrecoursePromissoryNote
Namespace Prefix:	oeh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermPurchaseCommitmentAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Commitments and contingencies (Details)	12 Months Ended	0 Months Ended				1 Months Ended				12 Months Ended
Commitments and contingencies (Details)	Dec. 31, 2012 installment	Nov. 15, 2012 Grand Hotel Timeo and Villa Sant' Andrea USD ($)	Nov. 15, 2012 Grand Hotel Timeo and Villa Sant' Andrea EUR (€)	Jan. 22, 2010 Grand Hotel Timeo and Villa Sant' Andrea USD ($)	Jan. 22, 2010 Grand Hotel Timeo and Villa Sant' Andrea EUR (€)	Feb. 28, 2011 Grand Hotel Timeo and Villa Sant' Andrea USD ($)	Feb. 28, 2011 Grand Hotel Timeo and Villa Sant' Andrea EUR (€)	Jan. 31, 2010 Grand Hotel Timeo and Villa Sant' Andrea USD ($)	Jan. 31, 2010 Grand Hotel Timeo and Villa Sant' Andrea EUR (€)	Dec. 31, 2012 Purchase of property, plant and equipment USD ($)	Dec. 31, 2011 Purchase of property, plant and equipment USD ($)
Commitments
Amount of outstanding contracts										$ 9,650,000	$ 15,432,000
Vendor financing				7,064,000	5,000,000			7,064,000	5,000,000
Contingent consideration paid		$ 3,188,000	€ 2,500,000			$ 2,062,000	€ 1,500,000
Percentage of purchase price to be paid for purchase of Hotel Cipriani in Venice, Italy by James Sherwood on exedrcise of first refusal right	80.00%
Percentage of purchase price to be paid for purchase of Hotel Cipriani in Venice, Italy by James Sherwood on exercise of purchase option by non-recourse promissory note	100.00%
Number of installments for payment of purchase price for Hotel Cipriani in Venice Italy by James Sherwood on exercise of purchase option by non-recourse promissory note	10