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Revenue from Contracts with Customers (Tables) | 6 Months Ended
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Jun. 30, 2024
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | The following table provides information about disaggregated revenue by type of product and contract, including our take or pay contracts with initial terms of three to five years (“LTA”) and short-term agreements and spot sales (“non-LTA”):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2024 |  | 2023 |  | 2024 |  | 2023
| (Dollars in thousands)
Graphite Electrodes - LTAs | $ | 26,595 |  |  | $ | 76,369 |  |  | $ | 62,689 |  |  | $ | 146,235 |
Graphite Electrodes - Non-LTAs | 98,212 |  |  | 101,137 |  |  | 186,105 |  |  | 158,097 |
By-products and other | 12,520 |  |  | 8,055 |  |  | 25,117 |  |  | 20,031 |
Total Revenues | $ | 137,327 |  |  | $ | 185,561 |  |  | $ | 273,911 |  |  | $ | 324,363 |
Contract with Customer, Contract Liability | Current deferred revenue is included in “Other accrued liabilities” on the Condensed Consolidated Balance Sheets. The following table provides our contract liability balances as of June 30, 2024 and December 31, 2023:
| June 30, 2024 |  | December 31, 2023
| (Dollars in thousands)
Current deferred revenue | $ | 18,109 |  |  | $ | 31,583 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction | The revenue associated with our LTAs is expected to be approximately as follows for the full year of 2024:
| 2024
| (Dollars in millions)
Estimated LTA revenue | $110-$120(1)
(1) Estimated LTA revenue includes payments from customers that failed to meet certain obligations under their LTAs.

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- 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 -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 + Details
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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 -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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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 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(1) -SubTopic 10 -Topic 606 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13 + Details
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