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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.

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Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Loss Contingencies [Line Items]
Accrued compensation and benefits	$ 25,683		$ 25,683		$ 20,470
Compensation and benefits	38,743	$ 32,145	77,229	$ 69,225
Contingent payments to customers	16,019		16,019		18,153
Accrued contingent liabilities	28,455		28,455		30,097
Other income/ (loss)	(237)	(5,354)	234	(5,202)
Accrued Contingent Liabilities
Loss Contingencies [Line Items]
Accrued contingent liabilities	19,000		19,000		20,400
Location, Statement of Income, Balance [Axis]: us-gaap:OperatingExpenses
Loss Contingencies [Line Items]
Operating lease expense	1,400	1,300	2,900	2,700
Location, Statement of Income, Balance [Axis]: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
Loss Contingencies [Line Items]
Amortization of contingent payments to customers	400	200	700	300
Related Party \| Guarantee Obligations
Loss Contingencies [Line Items]
Accrued contingent liabilities	9,500		9,500		9,700
Other income/ (loss)	0	0	200	300
Westech Investment Advisors LLC
Loss Contingencies [Line Items]
Earnout payment	$ 70,000		$ 70,000
Percentage of share unit for milestone payment	50.00%		50.00%
Earnout payment recognized	$ 0	6,500	$ 0	3,500
Accrued compensation and benefits					$ 35,000
Westech Investment Advisors LLC \| Milestone 1
Loss Contingencies [Line Items]
Earnout payment milestone recognized			35,000
Westech Investment Advisors LLC \| Milestone 2
Loss Contingencies [Line Items]
Earnout payment milestone recognized			17,500
Westech Investment Advisors LLC \| Milestone 3
Loss Contingencies [Line Items]
Earnout payment milestone recognized			17,500
Westech Investment Advisors LLC \| EBITDA \| Milestone 1
Loss Contingencies [Line Items]
Earnout payment milestone recognized			20,000
Westech Investment Advisors LLC \| EBITDA \| Milestone 2
Loss Contingencies [Line Items]
Earnout payment milestone recognized			22,500
Westech Investment Advisors LLC \| EBITDA \| Milestone 3
Loss Contingencies [Line Items]
Earnout payment milestone recognized			25,000
Westech Investment Advisors LLC \| Sellers
Loss Contingencies [Line Items]
Earnout payment	50,000		50,000
Westech Investment Advisors LLC \| Employees
Loss Contingencies [Line Items]
Earnout payment	20,000		20,000
Westech Investment Advisors LLC, Bonus
Loss Contingencies [Line Items]
Compensation and benefits	0	$ 500	0	$ 1,000
Minimum \| Westech Investment Advisors LLC, Bonus
Loss Contingencies [Line Items]
Bonus payment			20,000
Maximum \| Westech Investment Advisors LLC
Loss Contingencies [Line Items]
Earnout payment	70,000		70,000
Maximum \| Westech Investment Advisors LLC, Bonus
Loss Contingencies [Line Items]
Cash payment	$ 5,000		5,000
Maximum bonus payment			$ 10,000