Revenue from Contract with Customer (Tables)

9 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table provides information about disaggregated revenue by type of product and contract for the three and nine months ended September 30, 2021 and 2020:

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2021		2020		2021		2020
	(Dollars in thousands)
Graphite Electrodes - Three-to-five-year take-or-pay contracts ("LTA")	$	267,349	$	250,011	$	766,503	$	771,400
Graphite Electrodes - Short-term agreements and spot sales ("Non-LTA")	69,295		32,303		181,754		93,232
By-products and other	10,704		4,673		34,238		21,719
Total Revenues	$	347,348	$	286,987	$	982,495	$	886,351

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction

The remaining revenue associated with our LTAs is expected to be approximately as follows:

	2022	2023 through 2024
	(Dollars in millions)
Estimated LTA revenue	$910-$1,010	$350-$450(1)

(1) Includes expected termination fees from a few customers that have failed to meet certain obligations under their LTAs.