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Composition of Certain Financial Statement Captions - Narrative (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Items Included in Consolidated Statement of Financial Condition [Abstract] |  |  |
Depreciation | $ 7,927,000 | $ 8,389,000 |
Deferred contract costs | 47,751,000 |  | $ 45,855,000
Capitalized contract cost, amount capitalized during period | 5,410,000 | 2,391,000 |
Amortization of deferred contract costs | 3,119,000 | $ 2,612,000 |
Capitalized contract cost impairment | $ 0 |  |

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- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-3 + Details
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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-3 + Details
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