GOODWILL (Details) $ in Thousands	6 Months Ended
Jun. 30, 2016 USD ($)
Goodwill [Roll Forward]
Goodwill, beginnig of period	$ 82,801
Goodwill, end of period	81,406
Mortgage Services
Goodwill [Roll Forward]
Goodwill, beginnig of period	80,423
Goodwill, end of period	79,028
Financial Services
Goodwill [Roll Forward]
Goodwill, beginnig of period	2,378
Goodwill, end of period	2,378
Technology Services
Goodwill [Roll Forward]
Goodwill, beginnig of period	0
Goodwill, end of period	0
CastleLine
Goodwill [Roll Forward]
Goodwill, end of period	26,730
CastleLine \| Adjustment
Goodwill [Roll Forward]
Acquisition of Castleline, purchase accounting measurement period adjustment	(1,395)
Goodwill, end of period	(1,395)
CastleLine \| Adjustment \| Mortgage Services
Goodwill [Roll Forward]
Acquisition of Castleline, purchase accounting measurement period adjustment	(1,395)
CastleLine \| Adjustment \| Financial Services
Goodwill [Roll Forward]
Acquisition of Castleline, purchase accounting measurement period adjustment	0
CastleLine \| Adjustment \| Technology Services
Goodwill [Roll Forward]
Acquisition of Castleline, purchase accounting measurement period adjustment	$ 0

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

+ Details

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

- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

+ Details

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

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

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=asps_MortgageServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=asps_FinancialServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=asps_TechnologyServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=asps_CastleLineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementScenarioAxis=us-gaap_ScenarioAdjustmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: