Related Party Transactions - Notes Receivable Balance With Dish Network (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Dec. 31, 2021
Related Party Transaction [Line Items]
Principal	$ 4,949,085	$ 4,913,689
Financing Receivable, after Allowance for Credit Loss, Noncurrent, Related Party, Type [Extensible Enumeration]	Related Party	Related Party
Accrued Interest Receivable	$ 56,888	$ 14,222
Related Party \| DISH Network
Related Party Transaction [Line Items]
Principal	4,949,085	4,913,689	$ 5,250,000
Accrued Interest Receivable	56,888	14,222
Related Party \| Intercompany Loan - DISH Network - 2028 Tranche \| DISH Network
Related Party Transaction [Line Items]
Principal	2,844,401	2,844,401
Accrued Interest Receivable	56,888	14,222
Related Party \| Q2 2024 Notes Receivable - DISH Network \| DISH Network
Related Party Transaction [Line Items]
Principal	1,603,485	1,576,518
Related Party \| Q3 2024 Notes Receivable - DISH Network \| DISH Network
Related Party Transaction [Line Items]
Principal	$ 501,199	$ 492,770

Indicates status and type of related party for financing receivable, after allowance for credit loss, classified as noncurrent.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-3

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Carrying amount as of the balance sheet date of current interest earned but not received. Also called accrued interest or accrued interest receivable. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(a)(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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Amount, after allowance for credit loss, of financing receivable, classified as noncurrent.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(i))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(ii))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(g)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

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