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Revenue - Revenue from Forward Contracts (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Derivatives
Net unrealized gains (losses)	$ 3,156	$ (2,802)	$ 4,679	$ (10,087)
Forward sales contracts
Derivatives
Net unrealized gains (losses)	(700)	7,300	400	7,300
Revenue	$ 42,400	$ 56,600	$ 101,600	$ 147,000

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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