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Basis of Presentation and Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Jun. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Accrued Expenses and Other Current Liabilities | Accrued expenses and other current liabilities consisted of the following:
(in thousands) | June 30, 2021 |  | December 31, 2020
Accrued interest | $ | 122,445 |  |  | $ | 123,935 |
Payroll-related accruals | 126,611 |  |  | 99,771 |
Operating lease liabilities | 32,360 |  |  | 30,689 |
Fair value of interest rate swaps | 63,841 |  |  | 65,462 |
Other accrued liabilities | 280,710 |  |  | 264,294 |
Accrued expenses and other current liabilities | $ | 625,967 |  |  | $ | 584,151 |
Schedule of Carrying Values and Estimated Fair Values of Debt Instruments and Securities | The following table presents the carrying amount and fair value of the Company’s long-term debt instruments subject to fair value disclosures:
| June 30, 2021 |  | December 31, 2020
(in thousands) | Carrying Amount |  | Fair Value |  | Carrying Amount |  | Fair Value
Long-term debt instruments, excluding finance lease obligations | $ | 9,499,654 |  |  | $ | 10,109,944 |  |  | $ | 9,431,216 |  |  | $ | 10,127,291 |
Schedule of Cash and Cash Equivalents | The following table presents a reconciliation of the amount of cash and cash equivalents and restricted cash and restricted cash equivalents reported in the Condensed Consolidated Balance Sheets to the total of the same of such amounts shown in the Condensed Consolidated Statements of Cash Flows:
(in thousands) | June 30, 2021 |  | December 31, 2020
Cash and cash equivalents | $ | 150,439 |  |  | $ | 204,998 |
Restricted cash and restricted cash equivalents | 6,066 |  |  | 2,749 |
Cash and cash equivalents and restricted cash and restricted cash equivalents at end of period | $ | 156,505 |  |  | $ | 207,747 |
Schedule of Carrying Values and Fair Values of Retail Installment Contract Receivables | The following table presents the net carrying amount and fair value of retail installment contract receivables:
| June 30, 2021 |  | December 31, 2020
(in thousands) | Carrying Amount |  | Fair Value |  | Carrying Amount |  | Fair Value
Retail installment contract receivables, net | $ | 228,555 |  |  | $ | 176,234 |  |  | $ | 141,591 |  |  | $ | 112,676 |
Subscriber System Assets | The following table presents the gross carrying amount, accumulated depreciation, and net carrying amount of subscriber system assets:
(in thousands) | June 30, 2021 |  | December 31, 2020
Gross carrying amount | $ | 5,148,559 |  |  | $ | 4,815,286 |
Accumulated depreciation | (2,386,962) |  |  | (2,152,058) |
Subscriber system assets, net | $ | 2,761,597 |  |  | $ | 2,663,228 |

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