Acres of land related to land liens.

No definition available.

Name:	trc_AcresOfLandRelatedToLandLiens
Namespace Prefix:	trc_
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Balance Type:	na
Period Type:	instant

- Definition

Additional reimbursement funds.

+ References

No definition available.

+ Details

Name:	trc_AdditionalReimbursementFunds
Namespace Prefix:	trc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	trc_CommitmentAndContingenciesDisclosureTextualAbstract
Namespace Prefix:	trc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	trc_CommitmentsAndContingenciesDisclosureAdditionalTextualAbstract
Namespace Prefix:	trc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Letter of credit period.

+ References

No definition available.

+ Details

Name:	trc_LetterOfCreditPeriod
Namespace Prefix:	trc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Letter of credit renewal period.

+ References

No definition available.

+ Details

Name:	trc_LetterOfCreditRenewalPeriod
Namespace Prefix:	trc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of interest rate held.

+ References

No definition available.

+ Details

Name:	trc_PercentageOfInterestRateHeld
Namespace Prefix:	trc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of minimum lease payments for capital leases net of executory costs, which include amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

+ Details

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

- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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

- Definition

Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).

+ References

No definition available.

+ Details

Name:	us-gaap_DebtIssuanceCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Area of land subject to a ground lease.

+ References

No definition available.

+ Details

Name:	us-gaap_LandSubjectToGroundLeases
Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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

- Definition

Taxes, excluding payroll, income and excise taxes, if not included elsewhere, that could include production, real and personal property, and other selling and distribution-related taxes.

+ References

No definition available.

+ Details

Name:	us-gaap_TaxesOther
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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Commitments and Contingencies (Details) (USD $)	6 Months Ended	12 Months Ended
Commitments and Contingencies (Details) (USD $)	Jun. 30, 2012 acre	Dec. 31, 2011	Feb. 29, 2012 acre	Jun. 03, 2010
Commitments and Contingencies (Textual) [Abstract]
Acres of land related to land liens			1,457
Commitments and Contingencies (Additional Textual) [Abstract]
Acres of land subject to water contracts	5,488
Estimated future minimum annual payments	$ 2,500,000
Letter of credit period	2 years
Letter of credit renewal period	2 years
Additional reimbursement funds	0
Special taxes paid		1,061,000
Interest rate held by TCWD in KWBA				2.00%
Standby letter of credit [Member]
Commitments and Contingencies (Textual) [Abstract]
Bond debt sold by TRPFFA	2,189,000
Letter of credit [Member]
Commitments and Contingencies (Textual) [Abstract]
Annual cost related to letter of credit	33,000
West CFD [Member]
Commitments and Contingencies (Textual) [Abstract]
Acres of land related to land liens	271
Bond debt sold by TRPFFA	30,000,000
Additional bond debt authorized to be sold in future	0
East CFD [Member]
Commitments and Contingencies (Textual) [Abstract]
Acres of land related to land liens	1,931
Bond debt sold by TRPFFA	12,670,000
Additional bond debt authorized to be sold in future	$ 107,000,000