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Goodwill and Intangible Assets, Net, Finite-Lived Intangible Assets (Details 2) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016
Changes in gross carrying amount of finite-lived intangible assets
Gross carrying amount	$ 61,972	$ 51,442	$ 57,597
Accumulated amortization	(30,259)	(28,578)	(30,878)
Net carrying amount	31,713	22,864	26,719
Estimated future amortization of intangible assets
Remaining six months of 2016	4,658
2017	5,250
2018	5,102
2019	5,072
2020	4,592
2021	2,737
Thereafter	3,686
Total	31,097
North America
Changes in gross carrying amount of finite-lived intangible assets
Gross carrying amount	33,862	23,562	27,490
Accumulated amortization	(14,815)	(13,811)	(15,743)
Net carrying amount	19,047	9,751	11,747
Europe
Changes in gross carrying amount of finite-lived intangible assets
Gross carrying amount	28,110	27,880	30,107
Accumulated amortization	(15,444)	(14,767)	(15,135)
Net carrying amount	$ 12,666	$ 13,113	$ 14,972

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

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-Publisher FASB
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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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

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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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