Commitments and Contingencies - Additional Information (Details) £ in Thousands			12 Months Ended
	Nov. 06, 2023 USD ($)	Jun. 29, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 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			$ 2,585,000
Contractual Obligations Related To Tax Receivable Agreements			63,335,000
Payment To Counterparties To Tax Receivable Agreement Within One Year Or Less			10,522,000
Payment To Counterparties To Tax Receivable Agreement One To Three Years			19,204,000
Payment To Counterparties To Tax Receivable Agreement Three To Five Years			14,117,000
Payment To Counterparties To Tax Receivable Agreement After Five Years			19,492,000
Foreign Exchange Forward [Member]
Other Commitments [Line Items]
Derivative asset notional amount						$ 36,675,000	£ 30,000	$ 36,903,000	£ 30,000
Derivative, Loss on Derivative			303,000
Derivative asset, current			1,585,000
Real Estate Capital Advisory [Member]
Other Commitments [Line Items]
Payments to Acquire Additional Interest in Subsidiaries			1,365,000	$ 27,710,000	$ 6,000,000
Noncontrolling Interest, Purchase of Interest, Contingent Consideration, Liability				6,119,000
Payable to Employees and Related Parties [Member] | Real Estate Capital Advisory [Member]
Other Commitments [Line Items]
Noncontrolling Interest, Purchase of Interest, Contingent Consideration, Liability, Current			2,023,000
Other Current Liabilities [Member] | Real Estate Capital Advisory [Member]
Other Commitments [Line Items]
Noncontrolling Interest, Purchase of Interest, Contingent Consideration, Liability, Current				$ 1,083,000
Secured Line of Credit [Member] | PNC Bank [Member]
Other Commitments [Line Items]
Maximum Borrowing Capacity		$ 30,000,000
Short-Term Borrowings			0
Secured Line of Credit [Member] | PNC Bank [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Other Commitments [Line Items]
Debt Instrument, Basis Spread on Variable Rate		1.61%
Unsecured Line of Credit [Member] | PNC Bank [Member]
Other Commitments [Line Items]
Maximum Borrowing Capacity		$ 55,000,000
Short-Term Borrowings			0
Unsecured Line of Credit [Member] | PNC Bank [Member] | EGL [Member]
Other Commitments [Line Items]
Maximum Borrowing Capacity	$ 75,000,000
Short-Term Borrowings			$ 0
Unsecured Line of Credit [Member] | PNC Bank [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Other Commitments [Line Items]
Debt Instrument, Basis Spread on Variable Rate		1.91%
Unsecured Line of Credit [Member] | PNC Bank [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | EGL [Member]
Other Commitments [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.91%