XML 60 R45.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Revenue - Summary of Changes in Deferred Revenue (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Change in Contract with Customer, Liability [Roll Forward] |  |
Deferred revenue, beginning balance | $ 156,135 | $ 145,344
Deferral of revenue | 149,253 | 215,188
Recognition of deferred revenue | (187,069) | (200,061)
Foreign currency translation | 620 | (4,336)
Deferred revenue, ending balance | $ 118,939 | $ 156,135

X
- Definition Change in Contract with Customer, Liability [Roll Forward] + References No definition available. + Details
Name: | aciw_ChangeinContractwithCustomerLiabilityRollForward
Namespace Prefix: | aciw_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of revenue deferred in the current period for which consideration has been received or is receivable and an obligation exists to transfer goods or services to the customer. + References No definition available. + Details
Name: | aciw_ContractWithCustomerLiabilityAdditions
Namespace Prefix: | aciw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase (decrease) in contract with customer liability foreign currency translation. + References No definition available. + Details
Name: | aciw_ContractWithCustomerLiabilityForeignCurrencyTranslation
Namespace Prefix: | aciw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of revenue recognized previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References No definition available. + Details
Name: | aciw_ContractWithCustomerLiabilityRecognitionOfRevenue
Namespace Prefix: | aciw_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044 + Details
Name: | us-gaap_ContractWithCustomerLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant