Disposal Group, Including Discontinued Operation, Additional Contingent Consideration Receivable

No definition available.

Name:	asps_DisposalGroupIncludingDiscontinuedOperationAdditionalContingentConsiderationReceivable
Namespace Prefix:	asps_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Disposal Group, Number Of Installment Payments

+ References

No definition available.

+ Details

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Namespace Prefix:	asps_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The future cash inflow associated with the amount to be received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

+ References

No definition available.

+ Details

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

- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

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

- Definition

Amount, before allowance for credit loss, of financing receivable, classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

+ Details

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

- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during 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 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585

+ Details

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Period Type:	duration

- Details

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- Details

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- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=asps_RentalPropertyManagementBusinessMember
Namespace Prefix:
Data Type:	na
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Period Type:

SALE OF BUSINESSES (Details)				1 Months Ended	9 Months Ended
SALE OF BUSINESSES (Details)	Jul. 01, 2020 USD ($)	Jul. 01, 2019 USD ($)	Aug. 08, 2018 USD ($)	Aug. 31, 2018 USD ($) installment	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from the sale of business					$ 3,000,000	$ 3,307,000
Long-term receivable					$ 0		$ 2,531,000
Discontinued Operations, Disposed of by Sale \| Financial Services Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total proceeds from the sale of business		$ 44,000,000
Proceeds from the sale of business	$ 3,300,000	40,000,000
Additional payment to be received on one-year anniversary of the sale closing		$ 4,000,000
Discontinued Operations, Disposed of by Sale \| Rental Property Management Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total proceeds from the sale of business				$ 18,000,000
Proceeds from the sale of business			$ 15,000,000
Number of installment payments \| installment				2
Future proceeds from the sale of business				$ 3,000,000