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Revenue From Contracts With Customers (Tables)

12 Months Ended

Dec. 31, 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 Year Ended December 31,
			2021						2020						2019
			(Dollars in thousands)
Graphite Electrodes - LTAs			$	1,040,214					$	1,069,772					$	1,437,354
Graphite Electrodes - Non-LTAs			258,426						123,845						260,979
By-products and other			47,148						30,744						92,460
Total Revenues			$	1,345,788					$	1,224,361					$	1,790,793

Contract with Customer, Asset and Liability

The following table provides information about deferred revenue from contracts with customers. Current deferred revenue is included in "Other accrued liabilities" and long-term deferred revenue is included in "Other long-term obligations" on the Consolidated Balance Sheets.

			Current deferred revenue						Long-Term deferred revenue
			(Dollars in thousands)
Balance as of December 31, 2019			$	11,776					$	3,858
Increases due to cash received			10,110						—
Revenue recognized			(6,270)						—
Reclassification between long-term and current			(1,804)						1,804
Foreign currency impact			(756)						—
Balance as of December 31, 2020			13,056						5,662
Increases due to cash received			32,466						—
Revenue recognized			(37,030)						—
Reclassification between long-term and current			1,359						(1,359)
Foreign currency impact			(11)						—
Balance as of December 31, 2021			$	9,840					$	4,303

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
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.

X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045

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- Definition

Tabular disclosure of expected timing for satisfying remaining performance obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045

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