Discontinued Operations - Carrying Value of Major Classes of Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Assets
Cash and cash equivalents	$ 2,223	$ 5,892
Discontinued Operations, Held-for-sale
Assets
Cash and cash equivalents	2,223	5,892
Other current assets	9,698	3,263
Property, plant and equipment, net	51,975	41,978
Intangible assets, net	25,274	40,329
Investments in affiliates	7,817	16,720
Right-of-use assets	13,622
Goodwill		55,958
Other noncurrent assets	212	1,376
Total assets held for sale	110,821	165,516
Liabilities
Deferred revenue, current	8,723	4,466
Operating lease liabilities, current	2,459
Other current liabilities	3,099	3,874
Deferred revenue, net of current portion	19,410	7,482
Operating lease liabilities, net of current portion	12,623
Other long-term liabilities	1,019	3,476
Total liabilities held for sale	47,333	19,298
TS Biotechnology Sale | Discontinued Operations, Held-for-sale
Assets
Cash and cash equivalents	2,223	5,892
Other current assets	9,698	3,263
Property, plant and equipment, net	51,975	41,978
Intangible assets, net	20,891	31,782
Right-of-use assets	13,622
Goodwill		55,958
Other noncurrent assets	212	1,376
Total assets held for sale	98,621	140,249
Liabilities
Deferred revenue, current	8,723	4,466
Operating lease liabilities, current	2,459
Other current liabilities	3,058	3,874
Deferred revenue, net of current portion	19,410	7,482
Operating lease liabilities, net of current portion	12,623
Other long-term liabilities	1,019	3,476
Total liabilities held for sale	47,292	19,298
EnviroFlight Sale | Discontinued Operations, Held-for-sale
Assets
Cash and cash equivalents	0	0
Other current assets	0	0
Property, plant and equipment, net	0	0
Intangible assets, net	4,383	8,547
Investments in affiliates	7,817	16,720
Right-of-use assets	0
Goodwill		0
Other noncurrent assets	0	0
Total assets held for sale	12,200	25,267
Liabilities
Deferred revenue, current	0	0
Operating lease liabilities, current	0
Other current liabilities	41	0
Deferred revenue, net of current portion	0	0
Operating lease liabilities, net of current portion	0
Other long-term liabilities	0	0
Total liabilities held for sale	$ 41	$ 0