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Fair Value of Financial Instruments - Carrying Values and Fair Values of Debt Instruments (Details) - Senior Notes - USD ($) $ in Thousands | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
Senior Notes due 2028 |  |  |
Debt Instrument [Line Items] |  |  |
Carrying value of senior notes |  | $ 500,000 | $ 500,000
Fair value of senior notes | [1] | $ 496,950 | $ 503,750
Interest rate |  | 4.25% | 4.25%
Senior Notes due 2029 |  |  |
Debt Instrument [Line Items] |  |  |
Carrying value of senior notes |  | $ 500,000 | $ 500,000
Fair value of senior notes | [1] | $ 487,200 | $ 491,900
Interest rate |  | 3.50% | 3.50%
New Senior Notes due 2029 |  |  |
Debt Instrument [Line Items] |  |  |
Carrying value of senior notes |  | $ 351,850 | $ 364,800
Fair value of senior notes | [1] | $ 361,561 | $ 377,001
Interest rate |  | 4.50% | 4.50%
Senior Notes due 2030 |  |  |
Debt Instrument [Line Items] |  |  |
Carrying value of senior notes |  | $ 600,000 | $ 600,000
Fair value of senior notes | [1] | $ 561,840 | $ 566,100
Interest rate |  | 2.60% | 2.60%
Senior Notes due 2032 |  |  |
Debt Instrument [Line Items] |  |  |
Carrying value of senior notes |  | $ 650,000 | $ 650,000
Fair value of senior notes | [1] | $ 569,595 | $ 574,730
Interest rate |  | 2.20% | 2.20%
New Senior Notes due 2032 |  |  |
Debt Instrument [Line Items] |  |  |
Carrying value of senior notes |  | $ 500,000 | $ 500,000
Fair value of senior notes | [1] | $ 459,500 | $ 465,900
Interest rate |  | 3.20% | 3.20%
Senior Notes due 2033 |  |  |
Debt Instrument [Line Items] |  |  |
Carrying value of senior notes |  | $ 750,000 | $ 750,000
Fair value of senior notes | [1] | $ 721,275 | $ 736,350
Interest rate |  | 4.20% | 4.20%
Senior Notes due 2034 |  |  |
Debt Instrument [Line Items] |  |  |
Carrying value of senior notes |  | $ 750,000 | $ 750,000
Fair value of senior notes | [1] | $ 731,625 | $ 767,175
Interest rate |  | 5.00% | 5.00%
Senior Notes due 2035 |  |  |
Debt Instrument [Line Items] |  |  |
Carrying value of senior notes |  | $ 500,000 | $ 500,000
Fair value of senior notes | [1] | $ 500,100 | $ 518,550
Interest rate |  | 5.25% | 5.25%
Senior Notes due 2036 |  |  |
Debt Instrument [Line Items] |  |  |
Carrying value of senior notes |  | $ 600,000 | $ 0
Fair value of senior notes | [1] | $ 585,300 | 0
Interest rate |  | 4.80% |
Senior Notes due 2050 |  |  |
Debt Instrument [Line Items] |  |  |
Carrying value of senior notes |  | $ 500,000 | 500,000
Fair value of senior notes | [1] | $ 333,150 | $ 335,550
Interest rate |  | 3.05% | 3.05%
Senior Notes due 2052 |  |  |
Debt Instrument [Line Items] |  |  |
Carrying value of senior notes |  | $ 850,000 | $ 850,000
Fair value of senior notes | [1] | $ 546,720 | $ 551,650
Interest rate |  | 2.95% | 2.95%
[1] | Carrying Value at

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