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LOANS AND LEASES (Summary of Information Related to Modification) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Amortized Cost Basis at Period End	$ 248
% of Total Class of Financing Receivable	0.02%
Commercial and Industrial [Member] | Commercial Portfolio Segment [Member]
Amortized Cost Basis at Period End	$ 248
% of Total Class of Financing Receivable	0.02%

X

- Definition

Financial receivable modifications post modification recorded investment.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

X

- Definition

Financing receivable modification to total financing receivables percent.

+ References

No definition available.

+ Details

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Namespace Prefix:	pgc_
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X

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

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Balance Type:
Period Type: