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Fair Value Measurement (Tables) | 12 Months Ended
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Dec. 31, 2023
Fair Value Measurement |
Schedule of fair value and carrying value of Senior Notes |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022 | ​ | December 31, 2023 | ​
(in thousands) | ​ | Fair Value (1) | ​ | Carrying Value (2) | ​ | Fair Value (1) | ​ | Carrying Value (2) | ​
2026 Notes | ​ | $ | 556,985 | ​ | ​ | 545,416 | ​ | ​ | 565,785 | ​ | ​ | 546,631 | ​
2027 Notes | ​ | ​ | 612,365 | ​ | ​ | 646,610 | ​ | ​ | 642,655 | ​ | ​ | 647,313 | ​
2028 Notes | ​ | ​ | 601,575 | ​ | ​ | 644,776 | ​ | ​ | 641,030 | ​ | ​ | 645,702 | ​
2029 Notes | ​ | ​ | 685,650 | ​ | ​ | 742,480 | ​ | ​ | 720,000 | ​ | ​ | 743,470 | ​
Total | ​ | $ | 2,456,575 | ​ | ​ | 2,579,282 | ​ | ​ | 2,569,470 | ​ | ​ | 2,583,116 | ​
(1) | Fair values are based on Level 2 market data inputs.
(2) | Carrying values are presented net of unamortized debt issuance costs and debt premiums.

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- References No definition available. + Details
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