Cash and Cash Equivalents, Restricted Cash and Short-Term Investments

9 Months Ended

Sep. 30, 2025

Investments, Debt and Equity Securities [Abstract]

Cash and Cash Equivalents, Restricted Cash and Short-Term Investments

CASH AND 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 Consolidated Statements of Cash Flows:

	September 30,
	2025		2024
Cash and Cash Equivalents	$	444,672	$	331,674
Restricted Cash - Current (a)	42,036		37,941
Restricted Cash - Noncurrent (a)	124,873		—
Cash and Cash Equivalents and Restricted Cash	$	611,581	$	369,615

(a) Restricted Cash - Current and Restricted Cash - Noncurrent are included in Other Current Assets and Funds for Asset Retirement Obligations, respectively, in the accompanying Consolidated Balance Sheets.

The components of cash and cash equivalents and restricted cash as of December 31, 2024 and 2023 are disclosed in Note 6 in the Notes to the Consolidated Financial Statements included in the Company's Annual Report on Form 10-K for the year ended December 31, 2024, filed with the Securities and Exchange Commission on February 20, 2025.

The Company had invested in marketable debt securities, primarily comprised of highly liquid U.S. Treasury securities. These investments were held in the custody of financial institutions. The securities outstanding were classified as available-for-sale securities, matured within twelve months of the acquisition date and were classified as current assets accordingly. During the first quarter of 2025, the Company liquidated its remaining investments in U.S. Treasury securities.

The Company's investments in available-for-sale securities were as follows:

	December 31, 2024
					Gross Unrealized
	Amortized Cost		Allowance for Credit Losses		Gains		Losses		Fair Value
U.S. Treasury Securities	$	51,885	$	—	$	120	$	(12)	$	51,993

Available-for-sale investments are reported at fair value in the accompanying 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.