Allowance for Doubtful Accounts and Sales Reserves (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Jan. 01, 2020
Accounts Receivable Reserve
Balance at December 31, 2019	$ 2,662
Adoption of new accounting standard	2,862
Provision	676
Recoveries	(306)
Charge-offs	(170)
Balance at March 31, 2020	2,862
Contract Asset Reserve
Balance at December 31, 2019	205
Adoption of new accounting standard	1,743
Provision	952
Recoveries	(13)
Charge-offs	(10)
Balance at March 31, 2020	1,743
Increase in expected credit losses	$ 800
Cumulative effect of adoption of ASC 326 \| Contract with customer asset current and noncurrent [Member]
Contract Asset Reserve
Adoption of new accounting standard		$ 609
Cumulative effect of adoption of ASC 326 \| Accounts Receivable [Member]
Accounts Receivable Reserve
Adoption of new accounting standard		$ 0

Accounts Receivable and Contract With Customer, Asset, Allowance for Credit Loss, Period Increase (Decrease)

No definition available.

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Namespace Prefix:	ayx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of allowance for credit loss on accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
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-URI http://asc.fasb.org/extlink&oid=118955202&loc=SL82895884-210446

+ Details

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

- Definition

Amount of increase in allowance for credit loss on accounts receivable, from recovery.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

Amount of direct write-downs of accounts receivable charged against the allowance.

+ References

+ Details

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- Definition

Amount of accumulated credit loss for right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- Definition

Amount of increase in allowance for credit loss on right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, from recovery.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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- Definition

Amount of writeoff of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, charged against allowance for credit loss.

+ References

+ Details

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- Definition

Amount of expense (reversal of expense) for expected credit loss on right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

+ References

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

- Definition

Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
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- Details

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