Derivative Instruments - Narrative (Details) £ in Billions, $ in Billions	1 Months Ended	9 Months Ended
	Jan. 31, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Oct. 28, 2025 CAD ($)	Oct. 28, 2025 GBP (£)	Mar. 31, 2022 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Senior loans		$ 744,397,000
Reclassified in next 12 months		2,562,000
Payments for hedge		3,359,000	$ 3,359,000
Proceeds from hedge		9,213,000	$ 9,213,000
Senior unsecured notes | 2.8% Senior Unsecured Notes
Derivative Instruments, Gain (Loss) [Line Items]
Principal amount		$ 750,000,000
Interest rate (in percent)		2.80%
Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Derivative asset		$ 2,822,000
Designated as Hedging Instrument | Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, notional amount	$ 550,000,000					$ 550,000,000
Proceeds from (payments on) interest rate swap settlements	$ (59,555,000)
Derivative, loss on derivative		$ (47,644,000)
Designated as Hedging Instrument | Foreign Exchange Contract | Subsequent event
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, notional amount | £					£ 5.3
Derivative Instruments Not Designated | Foreign Exchange Contract | Subsequent event
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, notional amount				$ 2.7