XML 102 R91.htm IDEA: XBRL DOCUMENT v3.25.1

Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Commitments and Contingencies Disclosure [Abstract]
Commitment to contribute capital	$ 84.7	$ 79.7

X

- Definition

Commitment To Contribute Capital

+ References

No definition available.

+ Details

Name:	pacw_CommitmentToContributeCapital
Namespace Prefix:	pacw_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

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