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Regulatory Capital Requirements - Schedule of Regulatory Capital Requirements and Schedule of Regulatory Capital Requirements (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
TWL
Regulatory Capital Requirements
Regulatory Capital	$ 72,913	$ 50,243
Regulatory Capital Requirement	2,348	2,856
Excess Regulatory Capital	70,565	47,387
DW
Regulatory Capital Requirements
Regulatory Capital	181,397	156,318
Regulatory Capital Requirement	2,814	3,579
Excess Regulatory Capital	178,583	152,739
TWD
Regulatory Capital Requirements
Regulatory Capital	54,267	46,976
Regulatory Capital Requirement	752	850
Excess Regulatory Capital	53,515	46,126
TEL
Regulatory Capital Requirements
Regulatory Capital	84,326	78,127
Regulatory Capital Requirement	39,195	37,907
Excess Regulatory Capital	45,131	40,220
TWJ
Regulatory Capital Requirements
Regulatory Capital	5,478	6,963
Regulatory Capital Requirement	2,440	2,029
Excess Regulatory Capital	3,038	4,934
TWEU
Regulatory Capital Requirements
Regulatory Capital	14,731	11,912
Regulatory Capital Requirement	6,532	5,447
Excess Regulatory Capital	8,199	6,465
TESL
Regulatory Capital Requirements
Regulatory Capital	5,792	1,813
Regulatory Capital Requirement	948	955
Excess Regulatory Capital	4,844	858
TESBV
Regulatory Capital Requirements
Regulatory Capital	1,636	1,683
Regulatory Capital Requirement	818	843
Excess Regulatory Capital	818	840
YB
Regulatory Capital Requirements
Regulatory Capital	6,382	5,261
Regulatory Capital Requirement	0	1,070
Excess Regulatory Capital	6,382	4,191
TDIFC
Regulatory Capital Requirements
Regulatory Capital	182	250
Regulatory Capital Requirement	30	39
Excess Regulatory Capital	152	211
TW SEF
Regulatory Capital Requirements
Financial Resources	67,467	43,286
Required Financial Resources	13,500	12,500
Excess Financial Resources	53,967	30,786
Liquid Financial Assets	42,556	22,068
Required Liquid Financial Assets	3,375	3,125
Excess Liquid Financial Assets	39,181	18,943
DW SEF
Regulatory Capital Requirements
Financial Resources	14,432	13,309
Required Financial Resources	8,827	8,669
Excess Financial Resources	5,605	4,640
Liquid Financial Assets	8,213	7,935
Required Liquid Financial Assets	2,207	2,167
Excess Liquid Financial Assets	$ 6,006	$ 5,768

X

- Definition

Amount of net capital of futures commission merchant (FCM) in excess of required net capital per Commodity Futures Trading Commission's (CFTC) requirement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name CFTC Regulation
-Number 1
-Section 17
-Paragraph a
-Subparagraph (1)(i)
-Publisher CFTC

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- Definition

Amount of adjusted net capital of futures commission merchant (FCM) per Commodity Futures Trading Commission's (CFTC) requirement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name CFTC Regulation
-Number 1
-Section 17
-Paragraph c
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-Publisher CFTC

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- Definition

Amount of net capital required to be maintained by futures commission merchant (FCM) per Commodity Futures Trading Commission's (CFTC) requirement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ References

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- Definition

Amount by which the entity's regulatory capital (as defined) exceeds the requirement.

+ References

No definition available.

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- Definition

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+ References

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- Definition

Regulatory capital as calculated for each entity under applicable regulations.

+ References

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- Definition

Amount of regulatory capital required to be maintained for each entity under applicable regulations.

+ References

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- Definition

Amount of liquid financial assets required to be maintained under the Commodity Exchange Act.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1

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