XML 109 R37.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Software Development Cost (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Software Development Cost |
Components of software development costs | The components of Software development costs, net of accumulated amortization are as follows (in thousands):
|  | Successor |  | Successor
|  |  | December 31, |  |  | December 31,
|  |  | 2019 |  |  | 2018
Software development costs |  | $ | 204,336 |  | $ | 175,656
Accumulated amortization |  |  | (31,250) |  |  | (5,074)
Software development costs, net of accumulated amortization |  | $ | 173,086 |  | $ | 170,582
Schedule of non-capitalized software costs and routine maintenance costs |
|  | Successor |  | Successor |  | Predecessor |  | Predecessor
|  |  | Year Ended |  |  | October 1, 2018 |  |  | January 1, 2018 |  |  | Year Ended
|  |  | December 31, |  |  | to |  |  | to |  |  | December 31,
|  |  | 2019 |  |  | December 31, 2018 |  |  | September 30, 2018 |  |  | 2017
Software development costs capitalized |  | $ | 28,681 |  | $ | 7,156 |  | $ | 19,523 |  | $ | 27,157
Amortization expense related to capitalized software development costs |  | $ | 26,176 |  | $ | 5,074 |  | $ | 19,962 |  | $ | 25,420

X
- Definition Tabular disclosure of the components of capitalized computer software. + References No definition available. + Details
Name: | tw_ScheduleOfCapitalizedComputerSoftwareTableTextBlock
Namespace Prefix: | tw_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of noncapitalized computer software. + References No definition available. + Details
Name: | tw_ScheduleOfNonCapitalizedComputerSoftwareTableTextBlock
Namespace Prefix: | tw_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CapitalizedComputerSoftwareNetAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration