XML 58 R43.htm IDEA: XBRL DOCUMENT v3.24.0.1

Accounting Policies - Capitalized Contract Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Capitalized Contract Cost [Roll Forward]
Beginning balance	$ 85,984	$ 73,685
Additional contract costs deferred	53,894	49,816
Amortization of deferred contract costs	(45,853)	(37,517)
Ending balance	$ 94,025	$ 85,984

X

- Definition

Capitalized Contract Cost, Deferrals

+ References

No definition available.

+ Details

Name:	appn_CapitalizedContractCostDeferrals
Namespace Prefix:	appn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Capitalized Contract Cost

+ References

No definition available.

+ Details

Name:	appn_CapitalizedContractCostRollForward
Namespace Prefix:	appn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 340
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479483/340-40-50-3

+ Details

Name:	us-gaap_CapitalizedContractCostAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 340
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479483/340-40-50-3

+ Details

Name:	us-gaap_CapitalizedContractCostNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant