Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Fair Value Measurements (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Liability
Currency forward contracts	$ 21	$ 26
Level 1 [Member]
Liability
Currency forward contracts
Level 2 [Member]
Liability
Currency forward contracts	$ 21	$ 26
Level 3 [Member]
Liability
Currency forward contracts