Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Property and Equipment
Property and equipment, net	$ 15,531		$ 15,531		$ 15,798
Depreciation and amortization	10,211	$ 9,078	20,124	$ 15,377
Property and equipment
Property and Equipment
Accumulated depreciation	15,701		15,701		$ 13,728
Depreciation and amortization	$ 1,234	$ 1,089	$ 2,502	$ 2,097

Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease. Excludes internally developed software for long-term internal use.

No definition available.

+ Details

Name:	trhc_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetExcludingComputerSoftwareDevelopmentCostAccumulatedDepreciationAndAmortization
Namespace Prefix:	trhc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset. Excludes internally developed software for long-term internal use.

+ References

No definition available.

+ Details

Name:	trhc_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetExcludingComputerSoftwareDevelopmentCostAfterAccumulatedDepreciationAndAmortization
Namespace Prefix:	trhc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The aggregate net amount of depreciation, amortization, and accretion recognized during an accounting period. As a noncash item, the net amount is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

+ Details

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

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

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=trhc_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetExcludingComputerSoftwareDevelopmentCostMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: