XML 90 R81.htm IDEA: XBRL DOCUMENT
v3.22.1

DERIVATIVES - Additional Information (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 USD ($) Contract | Mar. 31, 2021 USD ($) | Dec. 31, 2021 USD ($)
Derivative [Line Items] |  |  |
Net interest income | $ 39,622,000 | $ 31,793,000 |
Swap valuation allowance | 673,000 |  |
Accrued interest receivable | 22,890,000 |  | $ 21,589,000
Not Designated as Hedging Instrument [Member] | Commercial Real Estate Loan [Member] |  |  |
Derivative [Line Items] |  |  |
Swap valuation provision placed on non-accrual status |  |  | 2,100,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount | 230,000,000.0 |  | 230,000,000.0
Unrealized loss | (665,000) |  | (3,479,000)
Net interest income | 999,000 | $ 1,200,000 |
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Other Assets [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount | 80,000,000 |  |
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Other Liabilities [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount | 150,000,000 |  | 230,000,000
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Forward Contracts [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount | $ 100,000,000.0 |  |
Derivative, maturity year | 2023 |  |
Derivative, maturity term | 5 years |  |
Weighted-average fixed pay rate | 2.25% |  |
Number of forward contract | Contract | 4 |  |
Unrealized loss | $ 18,000 |  |
Loan Level Swaps [Member] | Not Designated as Hedging Instrument [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount | 677,502,000 |  | 702,210,000
Swap valuation allowance | 126,000 |  | 126,000
Loan Level Swaps [Member] | Not Designated as Hedging Instrument [Member] | Other Assets [Member] |  |  |
Derivative [Line Items] |  |  |
Accrued interest receivable | 3,600,000 |  | 3,600,000
Loan Level Swaps [Member] | Not Designated as Hedging Instrument [Member] | Other Liabilities [Member] |  |  |
Derivative [Line Items] |  |  |
Accrued interest payable | $ 4,800,000 |  | $ 4,800,000

X
- Definition Derivative maturity term. + References No definition available. + Details
Name: | pgc_DerivativeMaturityTerm
Namespace Prefix: | pgc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Derivative maturity year. + References No definition available. + Details
Name: | pgc_DerivativeMaturityYear
Namespace Prefix: | pgc_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of forward contract. + References No definition available. + Details
Name: | pgc_NumberOfForwardContract
Namespace Prefix: | pgc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Swap valuation allowance. + References No definition available. + Details
Name: | pgc_SwapValuationAllowance
Namespace Prefix: | pgc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Swap valuation provision allocated to non-accrual status. + References No definition available. + Details
Name: | pgc_SwapValuationProvisionAllocatedToNonAccrualStatus
Namespace Prefix: | pgc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Average fixed interest rate related to the group of interest rate derivatives. + References No definition available. + Details
Name: | us-gaap_DerivativeAverageFixedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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 No definition available. + Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition The net amount of operating interest income (expense). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.10) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
Name: | us-gaap_InterestIncomeExpenseNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of interest payable on debt, including, but not limited to, trade payables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15(a)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
Name: | us-gaap_InterestPayableCurrentAndNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_InterestReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unrealized gain (loss) related to derivatives designated as cash flow hedging instruments, recorded in results of operations to the extent that the cash flow hedge is determined to be ineffective. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 + Details
Name: | us-gaap_UnrealizedGainLossOnCashFlowHedgingInstruments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ForwardContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=pgc_LoanLevelSwapsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |