Number of customers accounting greater than ten percent of accounts receivable.

No definition available.

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- Definition

Number of customers accounting greater than ten percent of revenue.

+ References

No definition available.

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- Definition

Percentage of Non-US revenue invoiced in Euros.

+ References

No definition available.

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- Definition

Schedule of balance sheet components.

+ References

No definition available.

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- Definition

Transfer of inventory to rental equipment.

+ References

No definition available.

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- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The aggregate costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
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-Paragraph 2
-Subparagraph (SX 210.5-03(2))
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-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 820
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-Topic 360
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-URI https://asc.fasb.org/1943274/2147482130/360-10-45-4

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(17))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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- Definition

The estimated or actual value of the asset at the end of its useful life or when it is no longer serviceable (cannot be used for its original purpose).

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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Name:	srt_ProductOrServiceAxis=ingn_MedicaresServiceReimbursementProgramsMember
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Balance Sheet Components - Additional Information (Details)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) Customer	Jun. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Schedule Of Balance Sheet Components [Line Items]
Accounts receivable, net	$ 38,592,000		$ 38,592,000		$ 29,563,000
Percentage of Non-US revenue invoiced in Euros	76.00%	79.40%	77.40%	79.60%
Transfer of inventory to rental equipment			$ 847,000	$ 416,000
Salvage value of expenditures for additions, improvements and replacements	$ 0		0
Repairs and maintenance expense	1,660,000	$ 1,441,000	3,498,000	3,201,000
Impairments of long-lived assets			0	$ 0
Other Noncurrent Assets
Schedule Of Balance Sheet Components [Line Items]
Noncurrent inventories expected to be realized or consumed	770,000		770,000		1,291,000
Customer Concentration Risk \| Customer One
Schedule Of Balance Sheet Components [Line Items]
Accounts receivable, net	4,470,000		4,470,000		3,288,000
Customer Concentration Risk \| Customer Two
Schedule Of Balance Sheet Components [Line Items]
Accounts receivable, net	4,362,000		4,362,000
Customer Concentration Risk \| Medicare's Service Reimbursement Programs
Schedule Of Balance Sheet Components [Line Items]
Accounts receivable, net	$ 1,409,000		$ 1,409,000		$ 1,107,000
Sales Revenue, Net \| Customer Concentration Risk
Schedule Of Balance Sheet Components [Line Items]
Number of customers \| Customer			1
Sales Revenue, Net \| Customer Concentration Risk \| Medicare's Service Reimbursement Programs
Schedule Of Balance Sheet Components [Line Items]
Concentration Risk, Percentage			9.10%	10.10%
Net Accounts Receivable \| Customer Concentration Risk
Schedule Of Balance Sheet Components [Line Items]
Number of customers \| Customer			2
Net Accounts Receivable \| Customer Concentration Risk \| Medicare's Service Reimbursement Programs
Schedule Of Balance Sheet Components [Line Items]
Concentration Risk, Percentage			3.70%		4.80%
Rental Revenue \| Customer Concentration Risk \| Medicare's Service Reimbursement Programs
Schedule Of Balance Sheet Components [Line Items]
Concentration Risk, Percentage			59.00%	57.70%
Raw materials \| Supplier Concentration Risk \| Vendor one
Schedule Of Balance Sheet Components [Line Items]
Concentration Risk, Percentage			17.40%	20.80%
Raw materials \| Supplier Concentration Risk \| Vendor two
Schedule Of Balance Sheet Components [Line Items]
Concentration Risk, Percentage			11.00%	19.10%
Raw materials \| Supplier Concentration Risk \| Vendor three
Schedule Of Balance Sheet Components [Line Items]
Concentration Risk, Percentage			9.80%	10.70%