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Business Acquisitions (Additional Information) (Details) - USD ($) $ in Thousands |  |  | 12 Months Ended
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Dec. 20, 2023 | Nov. 20, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Business Acquisition [Line Items] |  |  |  |  |
Payments to acquire business, net of cash acquired |  |  | $ 56,435 | $ 0 | $ 80,159
Payment for contingent consideration liability |  |  | 8,799 | 868 | $ 3,965
XPS Pensions (Nexus) Limited |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments to acquire business |  | $ 46,205 |  |  |
Contingent purchase price |  | $ 3,932 |  |  |
Contingent consideration, earning period |  | 2 years |  |  |
Cash acquired during the acquisition |  | $ 2,306 |  |  |
Payments to acquire business, net of cash acquired |  | 43,899 |  |  |
Net cash consideration |  | $ 46,205 |  |  |
Altigo |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business combination, consideration transferred | $ 12,536 |  |  |  |
Net cash consideration | $ 12,536 |  |  |  |
Huntington Steele, LLC |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payment for contingent consideration liability |  |  | $ 8,799 | $ 868 |

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 30 -Paragraph 8 -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479637/805-30-30-8 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479581/805-30-50-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 30 -Paragraph 7 -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479637/805-30-30-7 + Details
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