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Marketable Investment Securities, Restricted Cash and Cash Equivalents, and Other Investments (Details) - USD ($) $ in Thousands | Jun. 30, 2026 | Dec. 31, 2025
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Marketable Investment Securities, Restricted Cash and Cash Equivalents, and Other Investments |  |
Total current marketable investment securities | $ 56,205 | $ 1,100,891
Total marketable investment securities | 163,634 | 1,153,851
Restricted cash and cash equivalents | 1,003,330 | 299,081
Equity method investments | 67,547 | 85,014
Other investments | 145,015 | 109,032
Total other investments, net | 212,562 | 194,046
Total marketable investment securities, restricted cash and cash equivalents, and other investments, net | 1,379,526 | 1,646,978
Current marketable investment securities - Strategic - available-for-sale |  |
Marketable Investment Securities, Restricted Cash and Cash Equivalents, and Other Investments |  |
Total current marketable investment securities | 51 | 51
Current marketable investment securities - Strategic - trading/equity |  |
Marketable Investment Securities, Restricted Cash and Cash Equivalents, and Other Investments |  |
Total current marketable investment securities | 48,272 | 37,378
Current marketable investment securities - Other |  |
Marketable Investment Securities, Restricted Cash and Cash Equivalents, and Other Investments |  |
Total current marketable investment securities | 7,882 | 1,063,462
Restricted marketable investment securities |  |
Marketable Investment Securities, Restricted Cash and Cash Equivalents, and Other Investments |  |
Total marketable investment securities | $ 107,429 | $ 52,960

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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 270 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482964/270-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (ee) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481664/323-10-45-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(10)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 25 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 + Details
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