Goodwill and Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
Jun. 30, 2014	Dec. 31, 2013
Goodwill
Goodwill beginning balance	$ 84,714
Translation adjustment	1,246
Goodwill ending balance	85,960	84,714
Finite-Lived Intangible Assets, Net
Gross carrying amount	86,929	86,925
Accumulated amortization	(36,220)	(32,245)
Translation adjustment	(6,710)	(7,000)
Total	43,999	47,680
Intangible assets with indefinite lives
Gross carrying amount	6,403	6,403
Translation adjustment	(426)	(512)
Total	5,977	5,891
Total intangible assets, net	$ 49,976	$ 53,571

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of increase (decrease) to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for foreign currency translation adjustments.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date of rights not otherwise specified in the taxonomy having a projected indefinite period of benefit.

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