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Debt Obligations - Senior Notes (Details) - Senior Notes $ in Thousands	Sep. 30, 2025 USD ($)
4.75% Senior Notes due August 2027
Debt Instrument [Line Items]
Interest rate (in percent)	4.75%
Semi-annual interest payable	$ 14,250
4.30% Senior Notes due August 2028
Debt Instrument [Line Items]
Interest rate (in percent)	4.30%
Semi-annual interest payable	$ 10,750
2.90% Senior Notes due October 2030
Debt Instrument [Line Items]
Interest rate (in percent)	2.90%
Semi-annual interest payable	$ 14,500
4.50% Senior Notes due January 2031
Debt Instrument [Line Items]
Interest rate (in percent)	4.50%
Semi-annual interest payable	$ 11,250
2.35% Senior Notes due January 2032
Debt Instrument [Line Items]
Interest rate (in percent)	2.35%
Semi-annual interest payable	$ 5,875
5.25% Senior Notes due August 2034
Debt Instrument [Line Items]
Interest rate (in percent)	5.25%
Semi-annual interest payable	$ 17,063
5.10% Senior Notes due August 2035
Debt Instrument [Line Items]
Interest rate (in percent)	5.10%
Semi-annual interest payable	$ 12,750
3.05% Senior Notes due October 2041
Debt Instrument [Line Items]
Interest rate (in percent)	3.05%
Semi-annual interest payable	$ 7,625

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