XML 84 R58.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Foreign Currency Exchange Contracts and Hedging - Additional Information (Details) | 6 Months Ended
--- | ---
Jun. 30, 2018 USD ($) Contract | Jun. 30, 2017 USD ($) Contract
Derivatives Fair Value [Line Items] |  |
Number of contract designated hedges | Contract | 21 | 13
Number of contract non-designated hedges | Contract | 4 | 4
Non-Designated Derivative Contracts |  |
Derivatives Fair Value [Line Items] |  |
Derivative contracts notional amounts | $ 3,072,000 | $ 2,529,000
Designated Derivative Contracts |  |
Derivatives Fair Value [Line Items] |  |
Derivative contracts notional amounts | 12,477,000 | 8,644,000
Unrealized (loss) gain on derivative | $ 543,000 | $ (254,000)
Minimum |  |
Derivatives Fair Value [Line Items] |  |
Derivative contracts expiration period | 1 month |
Maximum |  |
Derivatives Fair Value [Line Items] |  |
Derivative contracts expiration period | 6 months |

X
- Definition Number of contract designated hedges. + References No definition available. + Details
Name: | ingn_NumberOfContractDesignatedHedges
Namespace Prefix: | ingn_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of contract non-designated hedges. + References No definition available. + Details
Name: | ingn_NumberOfContractNonDesignatedHedges
Namespace Prefix: | ingn_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Period remaining until the derivative contract matures, 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_DerivativeRemainingMaturity1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. + 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=109223946&loc=d3e3602-108585 + Details
Name: | us-gaap_UnrealizedGainLossOnDerivatives
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |