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Revenue from Contracts with customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [line Items]
Revenue	$ 303,840	$ 347,348	$ 1,033,731	$ 982,495
Long-term Contract with Customer
Disaggregation of Revenue [line Items]
Revenue	212,087	267,349	683,858	766,503
Short-term Contract with Customer
Disaggregation of Revenue [line Items]
Revenue	79,710	69,295	296,954	181,754
By-products and other
Disaggregation of Revenue [line Items]
Revenue	$ 12,043	$ 10,704	$ 52,919	$ 34,238

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No definition available.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

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-Publisher FASB
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