Organization and Summary of Significant Accounting Policies - Description of Business (Details)	12 Months Ended
Dec. 31, 2021 state item location segment clinic
Segment and Related Information
Number of segments \| segment	2
Patient Care
Segment and Related Information
Patient care clinics \| clinic	760
Satellite locations	115
Number of states where satellite's are located \| state	47
Locations opened or acquired	91
Locations closed or consolidated	32
Products & Services
Segment and Related Information
Skilled nursing and post-acute providers receiving programs \| item	4,000

Number of orthotic and prosthetic patient-care centers operated by the reporting entity.

No definition available.

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Namespace Prefix:	hngr_
Data Type:	xbrli:integerItemType
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Period Type:	instant

- Definition

The minimum number of orthotic and prosthetic provider network of clinics managed by the reporting entity.

+ References

No definition available.

+ Details

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Namespace Prefix:	hngr_
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Period Type:	instant

- Definition

Represents the minimum number of skilled nursing facilities for which the acquiree has contracts to serve.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

The number of patient care locations closed during the period.

+ References

No definition available.

+ Details

Name:	hngr_NumberOfPatientCareLocationsClosed
Namespace Prefix:	hngr_
Data Type:	xbrli:integerItemType
Balance Type:	na
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- Definition

The number of patient care locations opened during the period.

+ References

No definition available.

+ Details

Name:	hngr_NumberOfPatientCareLocationsOpened
Namespace Prefix:	hngr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8672-108599

+ Details

Name:	us-gaap_NumberOfOperatingSegments
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Balance Type:	na
Period Type:	duration

- Definition

The number of states the entity operates in as of the balance sheet date.

+ References

No definition available.

+ Details

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Period Type:	instant

- 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

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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- Details

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