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Composition of Certain Financial Statement Captions (Receivables) (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Items Included in Consolidated Statement of Financial Condition [Abstract] |  |
Trade receivables | $ 165,068 | $ 115,356
Fees earned, not billed | 409,752 | 372,291
Other receivables | 16,433 | 14,450
Gross receivables | 591,253 | 502,097
Less: Allowance for doubtful accounts | (1,545) | (663)
Receivables, net | $ 589,708 | $ 501,434

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- Definition Amounts due for billed services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the Company and, at a minimum, one other party. An example would be amounts billed to customers under contracts or programs but not paid as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 912 -SubTopic 310 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478345/912-310-45-2 + Details
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