Debt Instrument, Convertible, Conversion Principal Multiple

No definition available.

Name:	axdx_DebtInstrumentConvertibleConversionPrincipalMultiple
Namespace Prefix:	axdx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
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+ Details

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

- Definition

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
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+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

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

- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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+ Details

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

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_UnsecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=axdx_TwoPointFiveZeroConvertibleNotesdue2023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Period Type:

Earnings Per Share - Narrative (Details)			9 Months Ended
Earnings Per Share - Narrative (Details)	Apr. 04, 2018 USD ($) shares	Mar. 27, 2018 USD ($)	Sep. 30, 2020 USD ($) shares
Debt Instrument [Line Items]
Conversion ratio		0.0323428
Aggregate number of shares (shares) \| shares	1,858,500
Unsecured obligations
Debt Instrument [Line Items]
Aggregate principal amount \| $			$ 5,500,000
Unsecured obligations \| 2.50% Convertible notes due 2023
Debt Instrument [Line Items]
Aggregate principal amount \| $	$ 171,500,000	$ 150,000,000.0
Conversion multiple \| $	$ 1,000
Shares issued (shares) \| shares			0
Unsecured obligations \| 2.50% Convertible notes due 2023 \| Maximum
Debt Instrument [Line Items]
Shares issued (shares) \| shares			5,500,000