Cash, Cash Equivalents, Restricted Cash and Short-term Investments |
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| Cash and Cash Equivalents [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Cash, Cash Equivalents, Restricted Cash and Short-term Investments | NOTE 7—CASH, CASH EQUIVALENTS, RESTRICTED CASH AND SHORT-TERM INVESTMENTS: The following table disaggregates the Company’s cash, cash equivalents and restricted cash, which reconciles to the total shown on the Condensed Consolidated Statements of Cash Flows:
(a) Restricted Cash—Current and Restricted Cash—Noncurrent are included in Other Current Assets and Funds for Asset Retirement Obligations, respectively, in the accompanying Condensed Consolidated Balance Sheets. The components of cash, cash equivalents and restricted cash as of December 31, 2025 and 2024 are disclosed in Note 6 in the Notes to the Audited Consolidated Financial Statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025, filed with the Securities and Exchange Commission on February 17, 2026. The Company has invested in marketable debt securities, primarily comprising highly liquid U.S. Treasury securities. These investments are held in the custody of financial institutions. The securities outstanding are classified as available-for-sale securities, mature within 12 months of the acquisition date and are classified as current assets accordingly. The Company's investments in available-for-sale securities were as follows:
Available-for-sale investments are reported at fair value in Other Current Assets in the accompanying Condensed Consolidated Balance Sheet, and any unrealized gains or losses are recognized in Accumulated Other Comprehensive Loss. Any unrealized gains or losses in the Company's portfolio are a result of normal market fluctuations. Interest and dividends are included in net income (loss) when earned.
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