Commitments and Contingencies - Additional Information (Details) £ in Thousands			12 Months Ended
	Oct. 10, 2025 USD ($)	Jul. 10, 2025 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2025 GBP (£)	Mar. 17, 2025 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2023 GBP (£)	Mar. 31, 2023 USD ($)	Mar. 31, 2023 GBP (£)
Other Commitments [Line Items]
Unfunded Commitments for Capital Contributions			$ 2,525,000
Contractual Obligations Related To Tax Receivable Agreements			69,843,000
Payment To Counterparties To Tax Receivable Agreement Within One Year Or Less			10,264,000
Payment To Counterparties To Tax Receivable Agreement One To Three Years			17,466,000
Payment To Counterparties To Tax Receivable Agreement Three To Five Years			11,674,000
Payment To Counterparties To Tax Receivable Agreement After Five Years			30,439,000
Foreign Exchange Forward
Other Commitments [Line Items]
Derivative asset notional amount									$ 36,675,000	£ 30,000	$ 36,903,000	£ 30,000
Derivative, Loss on Derivative			1,055,000	$ 347,000	$ 303,000
Foreign Exchange Forward | Short
Other Commitments [Line Items]
Derivative asset notional amount						$ 96,401,000	£ 71,250
Foreign Exchange Forward | Long
Other Commitments [Line Items]
Derivative asset notional amount						$ 270,600,000	£ 200,000
Unsecured Line of Credit | PNC Bank
Other Commitments [Line Items]
Maximum Borrowing Capacity		$ 225,000,000						$ 85,000,000
Debt Instrument, Basis Spread on Variable Rate		1.30%
Short-Term Borrowings			0
Unsecured Line of Credit | PNC Bank | EGL
Other Commitments [Line Items]
Maximum Borrowing Capacity	$ 75,000,000
Debt Instrument, Basis Spread on Variable Rate	1.30%
Short-Term Borrowings			$ 0