XML 228 R121.htm IDEA: XBRL DOCUMENT v3.21.2

Commitments and Contingencies Unfunded loan commitments (Details) $ in Millions	Sep. 30, 2021 USD ($)
Legal Proceedings
2019	$ 4
2020	$ 0

X

- Definition

Unfunded loan commitment due in year 2

+ References

No definition available.

+ Details

Name:	tve_Unfundedloancommitmentdueinyear2
Namespace Prefix:	tve_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Unfunded loan commitment due in year 3

+ References

No definition available.

+ Details

Name:	tve_Unfundedloancommitmentdueinyear3
Namespace Prefix:	tve_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- 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

No definition available.

+ Details

Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration