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Line of Credit, Long-Term Debt and Finance Lease Obligations (Tables) | 12 Months Ended
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Dec. 31, 2020
Debt Disclosure [Abstract] |
Schedule of Long-Term Debt | The carrying value of the Company’s long-term debt was $1.7 billion at December 31, 2020 and 2019 and consisted of the following (in thousands):
|  | December 31, 2020 |
|  | Principal |  |  | Unamortized Debt Issuance Costs |  |  | Total |
Senior notes |  | $ | 1,750,000 |  |  | $ | (16,343 | ) |  | $ | 1,733,657 |
Revolving line of credit |  |  | — |  |  |  | (2,260 | ) |  |  | (2,260 | )
Total |  | $ | 1,750,000 |  |  | $ | (18,603 | ) |  | $ | 1,731,397 |
|  | December 31, 2019 |
|  | Principal |  |  | Unamortized Debt Issuance Costs |  |  | Total |
Senior notes |  | $ | 1,750,000 |  |  | $ | (19,762 | ) |  | $ | 1,730,238 |
Revolving line of credit |  |  | — |  |  |  | (2,664 | ) |  |  | (2,664 | )
Total |  | $ | 1,750,000 |  |  | $ | (22,426 | ) |  | $ | 1,727,574 |
Summary of Estimated Fair Value of Notes | The estimated fair value of the Company’s 2023 Notes and 2027 Notes were estimated using trading prices as of December 31, 2020 and 2019, respectively, as Level 2 inputs to estimate fair value and are summarized as follows (in thousands):
|  | December 31, |
|  | 2020 |  |  | 2019 |
2023 Notes |  | $ | 756,225 |  |  | $ | 766,875 |
2027 Notes |  |  | 1,070,000 |  |  |  | 1,025,600 |
Schedule of Financial Lease Obligations | The Company’s finance lease obligations , related to equipment used in its newborn hearing screen program, consist of the following (in thousands):
|  | December 31, |
|  | 2020 |  |  | 2019 |
Finance lease obligations |  | $ | 11,118 |  |  | $ | — |
Less: Current portion |  |  | (2,219 | ) |  |  | — |
Long-term portion |  | $ | 8,899 |  |  | $ | — |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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