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Leases (Details) $ in Millions	3 Months Ended
Leases (Details) $ in Millions	Mar. 31, 2021 USD ($)
Leases [Abstract]
ROU Asset, Modification, Operating	$ 26.3

X

- Definition

ROU Asset, Modification, Operating

+ References

No definition available.

+ Details

Name:	psd_ROUAssetModificationOperating
Namespace Prefix:	psd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

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