Business combinations settlement of pre existing net liabilities.

No definition available.

Name:	nxgn_BusinessCombinationsSettlementOfPreExistingNetLiabilities
Namespace Prefix:	nxgn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Measurement period adjustment to goodwill.

+ References

No definition available.

+ Details

Name:	nxgn_MeasurementPeriodAdjustmentToGoodwill
Namespace Prefix:	nxgn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 7
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 805
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

+ Details

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

- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479

+ Details

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

- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
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-SubTopic 30
-Section 25
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

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- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_ComputerSoftwareIntangibleAssetMember
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
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- Details

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Namespace Prefix:
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Business Combinations - Additional Information (Details) - USD ($) $ in Thousands				12 Months Ended
	Dec. 17, 2019	Dec. 06, 2019	Oct. 04, 2019	Mar. 31, 2021
Topaz
Business Acquisition [Line Items]
Business acquisition, effective date of acquisition				Oct. 04, 2019
Business acquisition, date of acquisition agreement				Oct. 04, 2019
Business combination, additional cash in form of earnout			$ 2,000
Contingent consideration related to acquisitions			1,850	$ 533
Settlement of pre-existing liabilities related to pre-acquisition amounts			$ 1,671
Topaz \| Computer Software, Intangible Asset
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life			6 years
Medfusion
Business Acquisition [Line Items]
Business acquisition, effective date of acquisition				Dec. 06, 2019
Business acquisition, date of acquisition agreement				Nov. 12, 2019
Measurement period adjustment to goodwill				$ 47
Settlement of pre-existing liabilities related to pre-acquisition amounts		$ 24
Acquired finite-lived intangible assets, weighted average useful life		7 years 3 months 18 days
Medfusion \| Computer Software, Intangible Asset
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life		6 years
Medfusion \| Customer Relationships
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life		10 years
Medfusion \| Trade Names
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life		5 years
OTTO
Business Acquisition [Line Items]
Business acquisition, effective date of acquisition				Dec. 17, 2019
Business acquisition, date of acquisition agreement				Dec. 11, 2019
Settlement of pre-existing liabilities related to pre-acquisition amounts	$ 19
OTTO \| Computer Software, Intangible Asset
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life	7 years