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Regulatory Capital Requirements (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
TWL
Regulatory Capital Requirements
Regulatory Capital	$ 52,387	$ 33,566
Regulatory Capital Requirement	2,244	3,424
Excess Regulatory Capital	50,143	30,142
DW
Regulatory Capital Requirements
Regulatory Capital	64,317	61,379
Regulatory Capital Requirement	2,593	2,931
Excess Regulatory Capital	61,724	58,448
TWD
Regulatory Capital Requirements
Regulatory Capital	39,582	22,784
Regulatory Capital Requirement	551	652
Excess Regulatory Capital	39,031	22,132
TEL
Regulatory Capital Requirements
Regulatory Capital	84,720	84,636
Regulatory Capital Requirement	32,041	36,136
Excess Regulatory Capital	52,679	48,500
TWJ
Regulatory Capital Requirements
Regulatory Capital	7,571	7,932
Regulatory Capital Requirement	1,147	1,184
Excess Regulatory Capital	6,424	6,748
TWEU
Regulatory Capital Requirements
Regulatory Capital	8,641	7,626
Regulatory Capital Requirement	2,191	3,272
Excess Regulatory Capital	6,450	4,354
TESL
Regulatory Capital Requirements
Regulatory Capital	1,620	1,760
Regulatory Capital Requirement	1,114	1,272
Excess Regulatory Capital	506	488
EA
Regulatory Capital Requirements
Regulatory Capital	213,216	212,572
Regulatory Capital Requirement	95	78
Excess Regulatory Capital	213,121	212,494
TW SEF
Regulatory Capital Requirements
Financial Resources	36,096	30,063
Required Financial Resources	11,000	11,000
Excess Financial Resources	25,096	19,063
Liquid Financial Assets	16,706	15,283
Required Liquid Financial Assets	2,750	2,750
Excess Liquid Financial Assets	13,956	12,533
DW SEF
Regulatory Capital Requirements
Financial Resources	16,295	15,999
Required Financial Resources	7,032	6,770
Excess Financial Resources	9,263	9,229
Liquid Financial Assets	9,416	10,014
Required Liquid Financial Assets	1,758	1,693
Excess Liquid Financial Assets	7,658	$ 8,321
TESBV
Regulatory Capital Requirements
Regulatory Capital	1,783
Regulatory Capital Requirement	787
Excess Regulatory Capital	$ 996

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
-Publisher CFTC
-Name Rule 17
-Number 1
-Section 17
-Paragraph (a)
-Subparagraph (1)(i)

+ Details

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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
-Publisher CFTC
-Name Rule 17
-Number 1
-Section 17
-Paragraph (c)
-Subparagraph (5)

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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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- Definition

The amount by which actual liquid financial assets exceeds (does not exceed) required liquid financial assets under the Commodity Exchange Act

+ References

No definition available.

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Liquid financial assets calculated under the Commodity Exchange Act.

+ References

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- Definition

Regulatory capital as calculated for each entity under applicable regulations.

+ References

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+ Details

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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

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