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Fair Value of Financial Instruments - Carrying Values and Fair Values of Debt Instruments (Details) - Senior Notes - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Senior Notes due 2028 |  |  |
Debt Instrument [Line Items] |  |  |
Carrying value of senior notes |  | $ 500,000 | $ 500,000
Fair value of senior notes | [1] | $ 503,500 | $ 488,500
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] | $ 491,300 | $ 471,450
Interest rate |  | 3.50% | 3.50%
New Senior Notes due 2029 |  |  |
Debt Instrument [Line Items] |  |  |
Carrying value of senior notes |  | $ 359,150 | $ 347,500
Fair value of senior notes | [1] | $ 374,510 | $ 359,168
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] | $ 563,220 | $ 536,220
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] | $ 571,935 | $ 535,275
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] | $ 462,700 | $ 437,150
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] | $ 735,750 | $ 696,300
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] | $ 765,525 | $ 731,625
Interest rate |  | 5.00% | 5.00%
Senior Notes due 2035 |  |  |
Debt Instrument [Line Items] |  |  |
Carrying value of senior notes |  | $ 500,000 | $ 0
Fair value of senior notes | [1] | $ 516,050 | 0
Interest rate |  | 5.25% |
Senior Notes due 2050 |  |  |
Debt Instrument [Line Items] |  |  |
Carrying value of senior notes |  | $ 500,000 | 500,000
Fair value of senior notes | [1] | $ 338,650 | $ 321,700
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] | $ 556,325 | $ 528,955
Interest rate |  | 2.95% | 2.95%
[1] | Senior Notes are classified as Level 2 within the fair value hierarchy. Fair value inputs include third-party calculations of the market interest rate of notes with similar ratings in similar industries over the remaining note terms.

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