Subsequent Events	9 Months Ended
Sep. 30, 2023
Subsequent Events [Abstract]
Subsequent Events	17. Subsequent Events In October 2023, the Company acquired all of the outstanding ownership interests of Pragma LLC and Pragma Financial Systems LLC (collectively “Pragma”). Pragma is a quantitative trading technology provider specializing in algorithmic and analytical services. Pragma LLC is a registered broker-dealer. The purchase consideration, after giving effect to adjustments in the purchase agreement, was approximately $128.6 million, consisting of approximately $80.4 million of cash and 216,173 shares of the Company’s common stock, valued at approximately $48.2 million on the closing date.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//855/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483399/855-10-50-2

Name:	us-gaap_SubsequentEventsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration