Subsequent Event (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2019	Mar. 01, 2018
Subsequent Event [Line Items]
Partners' Capital Account, Units, Redeemed	1,870,681
Offshore Division \| Discontinued Operations, Disposed of by Sale
Subsequent Event [Line Items]
Additional receivable		$ 7.5
Promissory note receivable, interest rate		1.52%
Promissory note receivable		$ 1.4

Disposal Group, Including Discontinued Operation, Consideration, Additional Receivable

No definition available.

Name:	tti_DisposalGroupIncludingDiscontinuedOperationConsiderationAdditionalReceivable
Namespace Prefix:	tti_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Disposal Group, Including Discontinued Operation, Consideration, Promissory Note Receivable

+ References

No definition available.

+ Details

Name:	tti_DisposalGroupIncludingDiscontinuedOperationConsiderationPromissoryNoteReceivable
Namespace Prefix:	tti_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Disposal Group, Including Discontinued Operation, Consideration, Promissory Note Receivable, Interest Rate

+ References

No definition available.

+ Details

Name:	tti_DisposalGroupIncludingDiscontinuedOperationConsiderationPromissoryNoteReceivableInterestRate
Namespace Prefix:	tti_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of units redeemed during the year of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 4.F)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=tti_OffshoreDivisionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsDisposedOfBySaleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: