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Impairments - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Impairment | $ 0 | $ 16,156 | $ 22,752
Advisor Engine [Member] |  |  |
Gain (Loss) on Disposition of Assets |  | $ 1,093 |
Advisor Engine - Financial ineterest [Member] | Financial Interests [Member] |  |  |
Impairment | 0 |  | 19,672
Thesys – Series Y Preferred [Member] |  |  |
Impairment | $ 0 |  | 3,080
Gain (Loss) on Disposition of Assets |  |  | $ 0

X
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- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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