XML 56 R46.htm IDEA: XBRL DOCUMENT
v3.24.3

Loans and Allowance for Credit Losses - Loans - Schedule of ACL Loans by Portfolio Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance | $ 35,288 | $ 32,588 | $ 34,187 | $ 18,957 | $ 18,957
PCD Loans |  |  |  | 336 |
Charge offs | (364) | (33) | (476) | (357) |
Recoveries | 17 | 22 | 67 | 63 |
Net loans (charged off) recovered | (347) | (11) | (409) | (294) |
Provision for credit losses | 621 | 1,427 | 1,784 | 3,074 |
Allowance for loan losses, ending balance | 35,562 | 34,004 | 35,562 | 34,004 | 34,187
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance |  |  |  | 11,931 | 11,931
Commercial real estate | CRE Nonowner Occupied |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance | 10,647 | 7,872 | 10,267 | 8,284 | 8,284
PCD Loans |  |  |  | 312 |
Charge offs | 0 | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0 | 0
Net loans (charged off) recovered | 0 | 0 | 0 | 0 |
Provision for credit losses | 387 | 2,283 | 767 | 1,300 |
Allowance for loan losses, ending balance | 11,034 | 10,155 | 11,034 | 10,155 | 10,267
Commercial real estate | CRE Nonowner Occupied | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance |  |  |  | 259 | 259
Commercial real estate | CRE Owner Occupied |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance | 5,830 | 4,141 | 5,646 | 2,916 | 2,916
PCD Loans |  |  |  | 2 |
Charge offs | 0 | 0 | 0 | (16) | (16)
Recoveries | 0 | 0 | 4 | 0 | 0
Net loans (charged off) recovered | 0 | 0 | 4 | (16) |
Provision for credit losses | (607) | 513 | (427) | 1,661 |
Allowance for loan losses, ending balance | 5,223 | 4,654 | 5,223 | 4,654 | 5,646
Commercial real estate | CRE Owner Occupied | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance |  |  |  | 91 | 91
Commercial real estate | Multifamily |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance | 3,209 | 1,244 | 2,202 | 1,111 | 1,111
PCD Loans |  |  |  |  |
Charge offs | 0 | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0 | 0
Net loans (charged off) recovered | 0 | 0 | 0 | 0 |
Provision for credit losses | 349 | 989 | 1,356 | 1,087 |
Allowance for loan losses, ending balance | 3,558 | 2,233 | 3,558 | 2,233 | 2,202
Commercial real estate | Multifamily | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance |  |  |  | 35 | 35
Commercial real estate | Farmland |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance | 2,059 | 940 | 2,064 | 831 | 831
PCD Loans |  |  |  |  |
Charge offs | 0 | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0 | 0
Net loans (charged off) recovered | 0 | 0 | 0 | 0 |
Provision for credit losses | (294) | 697 | (299) | 780 |
Allowance for loan losses, ending balance | 1,765 | 1,637 | 1,765 | 1,637 | 2,064
Commercial real estate | Farmland | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance |  |  |  | 26 | 26
Commercial and industrial |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance | 6,934 | 11,403 | 7,131 | 4,593 | 4,593
PCD Loans |  |  |  | 5 |
Charge offs | (356) | 0 | (412) | (220) | (238)
Recoveries | 0 | 0 | 0 | 0 | 0
Net loans (charged off) recovered | (356) | 0 | (412) | (220) |
Provision for credit losses | 253 | (4,072) | 112 | (3,648) |
Allowance for loan losses, ending balance | 6,831 | 7,331 | 6,831 | 7,331 | 7,131
Commercial and industrial | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance |  |  |  | 6,601 | 6,601
Construction | Residential Construction |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance | 1,129 | 1,729 | 1,256 | 0 | 0
PCD Loans |  |  |  | 12 |
Charge offs | 0 | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0 | 0
Net loans (charged off) recovered | 0 | 0 | 0 | 0 |
Provision for credit losses | (102) | (1) | (229) | 446 |
Allowance for loan losses, ending balance | 1,027 | 1,728 | 1,027 | 1,728 | 1,256
Construction | Residential Construction | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance |  |  |  | 1,270 | 1,270
Construction | Other Construction |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance | 2,013 | 1,938 | 2,146 | 0 | 0
PCD Loans |  |  |  | 1 |
Charge offs | 0 | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0 | 0
Net loans (charged off) recovered | 0 | 0 | 0 | 0 |
Provision for credit losses | 426 | 2,212 | 293 | 2,218 |
Allowance for loan losses, ending balance | 2,439 | 4,150 | 2,439 | 4,150 | 2,146
Construction | Other Construction | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance |  |  |  | 1,931 | 1,931
Residential mortgage | 1-4 Family 1st Lien |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance | 1,349 | 1,628 | 1,207 | 370 | 370
PCD Loans |  |  |  | 4 |
Charge offs | 0 | 0 | (7) | (4) | (13)
Recoveries | 2 | 7 | 9 | 7 | 8
Net loans (charged off) recovered | 2 | 7 | 2 | 3 |
Provision for credit losses | 156 | (762) | 298 | (811) |
Allowance for loan losses, ending balance | 1,507 | 873 | 1,507 | 873 | 1,207
Residential mortgage | 1-4 Family 1st Lien | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance |  |  |  | 1,307 | 1,307
Residential mortgage | 1-4 Family Rental |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance | 1,704 | 1,047 | 1,859 | 288 | 288
PCD Loans |  |  |  |  |
Charge offs | 0 | 0 | (2) | 0 | 0
Recoveries | 0 | 0 | 22 | 30 | 30
Net loans (charged off) recovered | 0 | 0 | 20 | 30 |
Provision for credit losses | 68 | (188) | (107) | (190) |
Allowance for loan losses, ending balance | 1,772 | 859 | 1,772 | 859 | 1,859
Residential mortgage | 1-4 Family Rental | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance |  |  |  | 731 | 731
Residential mortgage | HELOC and Junior Liens |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance | 397 | 470 | 389 | 661 | 661
PCD Loans |  |  |  |  |
Charge offs | 0 | 0 | (21) | 0 | 0
Recoveries | 0 | 0 | 0 | 0 | 0
Net loans (charged off) recovered | 0 | 0 | (21) | 0 |
Provision for credit losses | (9) | (107) | 20 | (68) |
Allowance for loan losses, ending balance | 388 | 363 | 388 | 363 | 389
Residential mortgage | HELOC and Junior Liens | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance |  |  |  | (230) | (230)
Consumer |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance | 17 | 176 | 20 | 29 | 29
PCD Loans |  |  |  |  |
Charge offs | (8) | (33) | (34) | (117) | (135)
Recoveries | 15 | 15 | 32 | 26 | 32
Net loans (charged off) recovered | 7 | (18) | (2) | (91) |
Provision for credit losses | (6) | (137) | 0 | (71) |
Allowance for loan losses, ending balance | $ 18 | 21 | $ 18 | 21 | 20
Consumer | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance |  |  |  | 154 | 154
Unallocated Financing Receivables |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance |  | 0 |  | (126) | (126)
PCD Loans |  |  |  |  |
Charge offs |  | 0 |  | 0 |
Recoveries |  | 0 |  | 0 |
Net loans (charged off) recovered |  | 0 |  | 0 |
Provision for credit losses |  | 0 |  | 370 |
Allowance for loan losses, ending balance |  | $ 0 |  | 0 |
Unallocated Financing Receivables | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, beginning balance |  |  |  | $ (244) | $ (244)

X
- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, after recovery, of writeoff of financing receivable, charged against allowance for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (4) -Publisher SEC Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of allowance for credit loss at acquisition date of financing receivable purchased with credit deterioration. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 19 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-19 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestPurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_CumulativeEffectPeriodOfAdoptionAxis=srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=mpb_CommercialAndIndustrialLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConstructionLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=mpb_A14Family1stLienMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=mpb_A14FamilyRentalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_UnallocatedFinancingReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |