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Concentration (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Concentration Risk [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 89,781	$ 68,681	$ 73,054
Customer Concentration Risk
Concentration Risk [Line Items]
Revenue accounted by major clients	21.00%	22.00%
Westwood Management | Sales Revenue, Net | Customer Concentration Risk
Concentration Risk [Line Items]
Revenue accounted by major clients	4.40%	3.70%	3.70%
Asset Management [Member] | Sales Revenue, Net | Customer Concentration Risk
Concentration Risk [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 3,892	$ 2,582	$ 2,682

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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