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Other Assets - Allowance for Credit Losses - Notes Receivable and Prepaid Expenses (Details)	1 Months Ended	3 Months Ended			9 Months Ended
	Mar. 31, 2024 USD ($)	Sep. 30, 2025 USD ($) contract portfolio_segment	Sep. 30, 2024 USD ($)	Jun. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) contract portfolio_segment	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) contract
Financing Receivable, Nonaccrual [Line Items]
Number of portfolio segments | portfolio_segment		1			1
Interest receivable		$ 800,000			$ 800,000		$ 200,000
Nonaccrual notes receivable, number of contracts | contract		1			1		0
Interest income recognized for notes receivables in nonaccrual status		$ 0	$ 0		$ 0	$ 0
Prepaid expense		24,500,000			24,500,000		$ 16,100,000
Loans Receivable
Financing Receivable, Nonaccrual [Line Items]
Write-offs		0	0		0	4,000,000
Notes Receivable
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual notes receivable without related allowance for credit loss		200,000			200,000		0
Notes receivable 90 days or more past due still accruing		0			0		$ 0
Loans Receivable
Financing Receivable, Nonaccrual [Line Items]
Write-offs			4,000,000.0			4,000,000.0
Distribution Partner | Loans Receivable
Financing Receivable, Nonaccrual [Line Items]
Loan receivable, interest income reduction	$ 500,000	$ 0	$ 0		$ 0	$ 500,000
Write-offs				$ 4,000,000.0

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