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Acquisitions (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Feb. 12, 2018 | Jan. 22, 2018 | Feb. 28, 2017 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Jan. 21, 2018
Fair Value of Consideration Transferred for Acquisition [Abstract] |  |  |  |  |  |  |  |
Total cash consideration |  |  |  |  |  | $ 32,235 |  |
Shares issued in conjunction with acquisition |  |  |  |  |  | 100,115 |  |
Total consideration |  |  |  |  |  | 132,350 |  |
Previously held equity interest in equity method | [1] |  |  |  |  | 39,029 |  |
Total |  |  |  |  |  | 171,379 |  |
Gain on step acquisition |  |  |  |  | $ 0 | 13,644 | $ 0 |
Carrying value of investments |  | $ 25,400 |  |  |  |  |  |
Fair Value of Assets Acquired [Abstract] |  |  |  |  |  |  |  |
Goodwill |  |  |  |  | $ 196,573 | $ 196,573 |  |
Useful life |  |  |  |  | 14 years |  |  |
Trademarks [Member] |  |  |  |  |  |  |  |
Fair Value of Assets Acquired [Abstract] |  |  |  |  |  |  |  |
Useful life |  |  |  |  | 11 years |  |  |
Nutritional Product Manufacturer [Member] |  |  |  |  |  |  |  |
Acquisitions [Abstract] |  |  |  |  |  |  |  |
Percentage of entity acquired |  |  | 92.00% |  |  |  |  |
Percentage of acquired entity held by third party |  |  | 8.00% |  |  |  |  |
Innuvate [Member] |  |  |  |  |  |  |  |
Acquisitions [Abstract] |  |  |  |  |  |  |  |
Percentage of entity acquired |  |  | 73.00% |  |  |  |  |
Ownership interest in equity method investment |  |  |  |  |  |  |  | 27.00%
Fair Value of Consideration Transferred for Acquisition [Abstract] |  |  |  |  |  |  |  |
Total cash consideration |  |  | $ 17,587 |  |  |  |  |
Shares issued in conjunction with acquisition |  |  | 5,863 |  |  |  |  |
Total consideration |  |  | 23,450 |  |  |  |  |
Previously held equity interest in equity method | [1] |  | 8,748 |  |  |  |  |
Total |  |  | 32,198 |  |  |  |  |
Fair Value of Assets Acquired [Abstract] |  |  |  |  |  |  |  |
Total current assets |  |  | 6,219 |  |  |  |  |
Fixed assets |  |  | 9,291 |  |  |  |  |
Total current liabilities |  |  | (3,942) |  |  |  |  |
Other non-current liabilities |  |  | 0 |  |  |  |  |
Total identifiable net assets acquired |  |  | 17,768 |  |  |  |  |
Goodwill |  |  | 17,230 |  |  |  |  |
Fair value of noncontrolling interest |  |  | (2,800) |  |  |  |  |
Total consideration and value to be allocated to net assets |  |  | 32,198 |  |  |  |  |
Innuvate [Member] | Customer List [Member] |  |  |  |  |  |  |  |
Fair Value of Assets Acquired [Abstract] |  |  |  |  |  |  |  |
Intangible assets |  |  | 5,100 |  |  |  |  |
Useful life |  |  |  |  | 9 years |  |  |
Innuvate [Member] | Order Backlog [Member] |  |  |  |  |  |  |  |
Fair Value of Assets Acquired [Abstract] |  |  |  |  |  |  |  |
Intangible assets |  |  | 200 |  |  |  |  |
Useful life |  |  |  |  | 5 months |  |  |
Innuvate [Member] | Trademarks [Member] |  |  |  |  |  |  |  |
Fair Value of Assets Acquired [Abstract] |  |  |  |  |  |  |  |
Intangible assets |  |  | $ 900 |  |  |  |  |
Useful life |  |  |  |  | 7 years |  |  |
Treviso, LLC [Member] |  |  |  |  |  |  |  |
Acquisitions [Abstract] |  |  |  |  |  |  |  |
Percentage of entity acquired |  | 65.00% |  |  |  |  |  |
Ownership interest in equity method investment |  |  |  | 35.00% |  |  |  |
Number of shares issued (in shares) |  |  |  | 169,560 |  |  |  |
Share price (in dollars per share) |  |  |  | $ 49.54 |  |  |  |
Fair Value of Consideration Transferred for Acquisition [Abstract] |  |  |  |  |  |  |  |
Total cash consideration |  | $ 14,648 |  | $ 12,600 |  |  |  |
Shares issued in conjunction with acquisition |  | 69,252 |  | 8,400 |  |  |  |
Total consideration |  | 83,900 |  | $ 21,000 |  |  |  |
Previously held equity interest in equity method | [1] | 30,281 |  |  |  |  |  |
Total |  | 114,181 |  |  |  |  |  |
Fair Value of Assets Acquired [Abstract] |  |  |  |  |  |  |  |
Total current assets |  | 19,659 |  |  |  |  |  |
Fixed assets |  | 33,282 |  |  |  |  |  |
Total current liabilities |  | (3,740) |  |  |  |  |  |
Other non-current liabilities |  | 0 |  |  |  |  |  |
Total identifiable net assets acquired |  | 71,701 |  |  |  |  |  |
Goodwill |  | 42,480 |  |  |  |  |  |
Fair value of noncontrolling interest |  | 0 |  |  |  |  |  |
Total consideration and value to be allocated to net assets |  | 114,181 |  |  |  |  |  |
Treviso, LLC [Member] | Customer List [Member] |  |  |  |  |  |  |  |
Fair Value of Assets Acquired [Abstract] |  |  |  |  |  |  |  |
Intangible assets |  | 16,500 |  |  |  |  |  |
Useful life |  |  |  |  | 9 years |  |  |
Treviso, LLC [Member] | Order Backlog [Member] |  |  |  |  |  |  |  |
Fair Value of Assets Acquired [Abstract] |  |  |  |  |  |  |  |
Intangible assets |  | 4,700 |  |  |  |  |  |
Useful life |  |  |  |  | 10 months |  |  |
Treviso, LLC [Member] | Trademarks [Member] |  |  |  |  |  |  |  |
Fair Value of Assets Acquired [Abstract] |  |  |  |  |  |  |  |
Intangible assets |  | $ 1,300 |  |  |  |  |  |
Useful life |  |  |  |  | 6 years |  |  |
L&W [Member] |  |  |  |  |  |  |  |
Acquisitions [Abstract] |  |  |  |  |  |  |  |
Percentage of entity acquired |  | 100.00% |  |  |  |  |  |
Fair Value of Consideration Transferred for Acquisition [Abstract] |  |  |  |  |  |  |  |
Total cash consideration |  | $ 0 |  |  |  |  |  |
Shares issued in conjunction with acquisition |  | 25,000 |  |  |  |  |  |
Total consideration |  | 25,000 |  |  |  |  |  |
Previously held equity interest in equity method |  | 0 |  |  |  |  |  |
Total |  | 25,000 |  |  |  |  |  |
Fair Value of Assets Acquired [Abstract] |  |  |  |  |  |  |  |
Total current assets |  | 7,353 |  |  |  |  |  |
Fixed assets |  | 114 |  |  |  |  |  |
Total current liabilities |  | (1,495) |  |  |  |  |  |
Other non-current liabilities |  | (1,731) |  |  |  |  |  |
Total identifiable net assets acquired |  | 12,241 |  |  |  |  |  |
Goodwill |  | 12,759 |  |  |  |  |  |
Fair value of noncontrolling interest |  | 0 |  |  |  |  |  |
Total consideration and value to be allocated to net assets |  | 25,000 |  |  |  |  |  |
L&W [Member] | Customer List [Member] |  |  |  |  |  |  |  |
Fair Value of Assets Acquired [Abstract] |  |  |  |  |  |  |  |
Intangible assets |  | 6,500 |  |  |  |  |  |
Useful life |  |  |  |  | 7 years |  |  |
L&W [Member] | Order Backlog [Member] |  |  |  |  |  |  |  |
Fair Value of Assets Acquired [Abstract] |  |  |  |  |  |  |  |
Intangible assets |  | 900 |  |  |  |  |  |
Useful life |  |  |  |  | 4 months |  |  |
L&W [Member] | Trademarks [Member] |  |  |  |  |  |  |  |
Fair Value of Assets Acquired [Abstract] |  |  |  |  |  |  |  |
Intangible assets |  | $ 600 |  |  |  |  |  |
Useful life |  |  |  |  | 5 years |  |  |
[1] | The acquisitions of Innuvate and Treviso are considered step acquisitions, and accordingly, the Company remeasured its pre-existing 27% equity interest in Innuvate and 35% of Treviso immediately prior to completion of the acquisition to its estimated fair value of approximately $39.0 million. As a result of the remeasurement, the Company recorded a gain of approximately $13.6 million within other income (expense), during the first quarter of 2018, representing the excess of the approximate $39.0 million estimated fair value of its pre-existing 27% equity interest in Innuvate and 35% equity interest of Treviso over its transaction date carrying value of approximately $25.4 million.

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