Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets, Net [Abstract]
Finite-lived intangible assets, gross carrying amount	$ 54,289	$ 53,919
Finite-lived intangible assets, accumulated amortization	(29,416)	(24,750)
Finite-lived intangible assets, net	24,873	29,169
Indefinite-lived Intangible Assets (Excluding Goodwill) [Abstract]
Indefinite-lived intangible assets	555	508
Total intangible assets, gross carrying amount	54,844	54,427
Total intangible assets, net	25,428	29,677
Permits and licenses
Indefinite-lived Intangible Assets (Excluding Goodwill) [Abstract]
Indefinite-lived intangible assets	555	508
Technology-based intangible assets
Finite-Lived Intangible Assets, Net [Abstract]
Finite-lived intangible assets, gross carrying amount	20,398	20,222
Finite-lived intangible assets, accumulated amortization	(7,958)	(6,516)
Finite-lived intangible assets, net	12,440	13,706
Customer-related intangible assets
Finite-Lived Intangible Assets, Net [Abstract]
Finite-lived intangible assets, gross carrying amount	33,891	33,697
Finite-lived intangible assets, accumulated amortization	(21,458)	(18,234)
Finite-lived intangible assets, net	$ 12,433	$ 15,463