Period over which the remaining potential cash bonus expense is to be recognized under long-term retention program.

No definition available.

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Period Type:	duration

- Definition

Aggregate potential maximum cost of compensation after the modification made to employees under the long-term retention program.

+ References

No definition available.

+ Details

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Namespace Prefix:	thrx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 710

-SubTopic 10

-Section 30

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363

+ Details

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

- Definition

The amount of distributions made to the individual during the period.

+ References

No definition available.

+ Details

Name:	us-gaap_DeferredCompensationArrangementWithIndividualDistributionsPaid
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

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

- Definition

Minimum period the individual is required to perform services to be fully vested under the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 710

-SubTopic 10

-Section 55

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6409961&loc=d3e20487-108367

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Commitments and Contingencies (Details 2) (Special Long-Term Retention and Incentive Cash Awards Program, USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended	12 Months Ended
	May 31, 2014	Mar. 31, 2014 Discontinued operation	Dec. 31, 2011 Discontinued operation	May 31, 2014 Discontinued operation
Special Long-Term Retention and Incentive Cash Awards Program
Timeframe for achievement of performance conditions			6 years
Cash bonus expense recognized		$ 9.1
Total cash bonus paid				9.5
Period for recognition of maximum remaining potential cash bonus expense	12 months
Maximum remaining potential cash bonus expense associated with these cash bonus awards after the modification	$ 0.5