XML 60 R49.htm IDEA: XBRL DOCUMENT v3.25.2

LEASES - Narrative (Details)	Jul. 31, 2023 lease
Spectrum Pharmaceuticals, Inc.
Lessee, Lease, Description [Line Items]
Number of leases assumed in acquisition	2

X

- Definition

Operating Lease, Number Of Leases Assumed In Acquisition

+ References

No definition available.

+ Details

Name:	asrt_OperatingLeaseNumberOfLeasesAssumedInAcquisition
Namespace Prefix:	asrt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

+ Details

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

X

- Details

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