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Business Combination, Goodwill and Intangibles Business Combinations, Consideration Paid (Details) € in Thousands, $ in Thousands |  | 12 Months Ended
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Apr. 01, 2014 USD ($) | Apr. 01, 2014 EUR (€) | Dec. 31, 2014 USD ($)
Spontania [Member] |  |  |
Noncash or Part Noncash Acquisitions [Line Items] |  |  |
Payments to Acquire Businesses, Gross | $ 5,100 |  |
Business Combination, Consideration Transferred | € |  | € 3,660 |
Sabine, Inc. [Member] |  |  |
Noncash or Part Noncash Acquisitions [Line Items] |  |  |
Business Combination, Consideration Transferred |  |  | $ 10,477
Cash [Member] | Sabine, Inc. [Member] |  |  |
Noncash or Part Noncash Acquisitions [Line Items] |  |  |
Business Combination, Consideration Transferred |  |  | 8,141
Restricted Stock [Member] | Sabine, Inc. [Member] |  |  |
Noncash or Part Noncash Acquisitions [Line Items] |  |  |
Business Combination, Consideration Transferred |  |  | 1,679
Reserve for Earn-out Receivable [Member] | Sabine, Inc. [Member] |  |  |
Noncash or Part Noncash Acquisitions [Line Items] |  |  |
Business Combination, Consideration Transferred |  |  | $ 657

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