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Line of Credit, Long-Term Debt and Capital Lease Obligations (Tables) | 12 Months Ended
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Dec. 31, 2018
Debt Disclosure [Abstract] |
Schedule of Long-Term Debt | The carrying value of the Company’s long-term debt was $2.0 billion and $1.8 billion at December 31, 2018 and 2017, respectively, and consisted of the following (in thousands):
|  | December 31, 2018 |
|  | Principal |  |  | Unamortized Debt Issuance Costs |  |  | Total |
Senior Notes |  | $ | 1,250,000 |  |  | $ | (15,408 | ) |  | $ | 1,234,592 |
Revolving line of credit |  |  | 739,500 |  |  |  | (4,274 | ) |  |  | 735,226 |
Total |  | $ | 1,989,500 |  |  | $ | (19,682 | ) |  | $ | 1,969,818 |
|  | December 31, 2017 |
|  | Principal |  |  | Unamortized Debt Issuance Costs |  |  | Total |
Senior Notes |  | $ | 750,000 |  |  | $ | (9,503 | ) |  | $ | 740,497 |
Revolving line of credit |  |  | 1,110,500 |  |  |  | (4,864 | ) |  |  | 1,105,636 |
Total |  | $ | 1,860,500 |  |  | $ | (14,367 | ) |  | $ | 1,846,133 |
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, 2018 and 2017, respectively, as Level 2 inputs to estimate fair value and are summarized as follows (in thousands):
|  | December 31, |
|  | 2018 |  |  | 2017 |
2023 Notes |  | $ | 736,725 |  |  | $ | 763,125 |
2027 Notes |  |  | 482,500 |  |  |  | — |
Schedule of Capital Lease Obligations | The Company’s capital lease obligations consist of the following (in thousands):
|  | December 31, |
|  | 2018 |  |  | 2017 |
Capital lease obligations |  | $ | 441 |  |  | $ | 1,826 |
Less: Current portion |  |  | (253 | ) |  |  | (1,401 | )
Long-term portion |  | $ | 188 |  |  | $ | 425 |
Schedule of Amounts Due Under Terms of Capital Lease Obligations | The amounts due under the terms of the Company’s capital lease obligations at December 31, 2018 are as follows:
2019 |  | $ | 253 |
2020 |  |  | 114 |
2021 |  |  | 74 |

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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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- Definition Tabular disclosure of future minimum lease payments as of the date of the latest balance sheet presented, in aggregate and for each of the five years succeeding fiscal years, with separate deductions from the total for the amount representing executor costs, including any profit thereon, included in the minimum lease payments and for the amount of the imputed interest necessary to reduce the net minimum lease payments to present value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 + Details
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