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DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Subscriber System Asset and Deferred Subscriber Acquisition Costs of Depreciation and Amortization (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Accounting Policies [Abstract] |  |  |  |
Depreciation of subscriber system assets | $ 138,827 | $ 139,306 | $ 278,201 | $ 277,609
Amortization of deferred subscriber acquisition costs | $ 62,149 | $ 54,730 | $ 122,507 | $ 109,335

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