XML 223 R9999.htm IDEA: XBRL DOCUMENT v3.20.2

Label	Element	Value
SCCG [Member]
Debt Instrument, Interest Rate, Stated Percentage	us-gaap_DebtInstrumentInterestRateStatedPercentage	3.846%
Holdco [Member]
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid	us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid	$ 10,000,000
JSCCG [Member]
Debt Instrument, Interest Rate	tve_DebtInstrumentInterestRate	4.626%

X

- Definition

Debt Instrument, Interest Rate

+ References

No definition available.

+ Details

Name:	tve_DebtInstrumentInterestRate
Namespace Prefix:	tve_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	srt_ConsolidatedEntitiesAxis=tve_SCCGMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ConsolidatedEntitiesAxis=tve_HoldcoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ConsolidatedEntitiesAxis=tve_JsccgMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: