XML 60 R50.htm IDEA: XBRL DOCUMENT
v3.25.3

Loans and Allowance for Credit Losses - Loans - Schedule of ACL for Loans and Amortized Cost Basis (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Jun. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | --- | --- | --- | --- | ---
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Allowance for loan losses: ending balance, collectively evaluated for impairment | $ 35,132 |  | $ 34,075 |  |  |
Allowance for loan losses: ending balance, individually evaluated for impairment | 2,205 |  | 1,439 |  |  |
Allowance for loan losses | 37,337 | $ 37,615 | 35,514 | $ 35,562 | $ 35,288 | $ 34,187
Loans receivable: ending balance, collectively evaluated for impairment | 4,803,177 |  | 4,420,460 |  |  |
Loans receivable: ending balance, individually evaluated for impairment | 17,957 |  | 22,610 |  |  |
Loans, net of unearned income | 4,821,134 |  | 4,443,070 |  |  |
Commercial real estate |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Loans, net of unearned income | 2,690,248 |  | 2,512,626 |  |  |
Commercial real estate | CRE Nonowner Occupied |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Allowance for loan losses: ending balance, collectively evaluated for impairment | 9,464 |  | 9,945 |  |  |
Allowance for loan losses: ending balance, individually evaluated for impairment | 936 |  | 1,102 |  |  |
Allowance for loan losses | 10,400 | 10,598 | 11,047 | 11,034 | 10,647 | 10,267
Loans receivable: ending balance, collectively evaluated for impairment | 1,314,655 |  | 1,237,235 |  |  |
Loans receivable: ending balance, individually evaluated for impairment | 5,739 |  | 13,775 |  |  |
Loans, net of unearned income | 1,320,394 |  | 1,251,010 |  |  |
Commercial real estate | CRE Owner Occupied |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Allowance for loan losses: ending balance, collectively evaluated for impairment | 5,994 |  | 5,243 |  |  |
Allowance for loan losses: ending balance, individually evaluated for impairment | 418 |  | 0 |  |  |
Allowance for loan losses | 6,412 | 6,430 | 5,243 | 5,223 | 5,830 | 5,646
Loans receivable: ending balance, collectively evaluated for impairment | 697,185 |  | 623,461 |  |  |
Loans receivable: ending balance, individually evaluated for impairment | 2,834 |  | 546 |  |  |
Loans, net of unearned income | 700,019 |  | 624,007 |  |  |
Commercial real estate | Multifamily |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Allowance for loan losses: ending balance, collectively evaluated for impairment | 2,149 |  | 3,432 |  |  |
Allowance for loan losses: ending balance, individually evaluated for impairment | 0 |  | 0 |  |  |
Allowance for loan losses | 2,149 | 1,978 | 3,432 | 3,558 | 3,209 | 2,202
Loans receivable: ending balance, collectively evaluated for impairment | 445,274 |  | 412,746 |  |  |
Loans receivable: ending balance, individually evaluated for impairment | 138 |  | 154 |  |  |
Loans, net of unearned income | 445,412 |  | 412,900 |  |  |
Commercial real estate | Farmland |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Allowance for loan losses: ending balance, collectively evaluated for impairment | 1,914 |  | 1,932 |  |  |
Allowance for loan losses: ending balance, individually evaluated for impairment | 0 |  | 0 |  |  |
Allowance for loan losses | 1,914 | 2,098 | 1,932 | 1,765 | 2,059 | 2,064
Loans receivable: ending balance, collectively evaluated for impairment | 224,377 |  | 224,709 |  |  |
Loans receivable: ending balance, individually evaluated for impairment | 46 |  | 0 |  |  |
Loans, net of unearned income | 224,423 |  | 224,709 |  |  |
Commercial and industrial | Commercial and industrial |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Allowance for loan losses: ending balance, collectively evaluated for impairment | 8,515 |  | 6,785 |  |  |
Allowance for loan losses: ending balance, individually evaluated for impairment | 851 |  | 337 |  |  |
Allowance for loan losses | 9,366 |  | 7,122 |  |  |
Loans receivable: ending balance, collectively evaluated for impairment | 718,910 |  | 700,740 |  |  |
Loans receivable: ending balance, individually evaluated for impairment | 5,196 |  | 4,652 |  |  |
Loans, net of unearned income | 724,106 |  | 705,392 |  |  |
Construction |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Loans, net of unearned income | 381,828 |  | 425,570 |  |  |
Construction | Residential Construction |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Allowance for loan losses: ending balance, collectively evaluated for impairment | 555 |  | 931 |  |  |
Allowance for loan losses: ending balance, individually evaluated for impairment | 0 |  | 0 |  |  |
Allowance for loan losses | 555 | 958 | 931 | 1,027 | 1,129 | 1,256
Loans receivable: ending balance, collectively evaluated for impairment | 91,502 |  | 99,399 |  |  |
Loans receivable: ending balance, individually evaluated for impairment | 0 |  | 0 |  |  |
Loans, net of unearned income | 91,502 |  | 99,399 |  |  |
Construction | Other Construction |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Allowance for loan losses: ending balance, collectively evaluated for impairment | 1,153 |  | 2,131 |  |  |
Allowance for loan losses: ending balance, individually evaluated for impairment | 0 |  | 0 |  |  |
Allowance for loan losses | 1,153 | 2,436 | 2,131 | 2,439 | 2,013 | 2,146
Loans receivable: ending balance, collectively evaluated for impairment | 290,326 |  | 326,171 |  |  |
Loans receivable: ending balance, individually evaluated for impairment | 0 |  | 0 |  |  |
Loans, net of unearned income | 290,326 |  | 326,171 |  |  |
Residential mortgage |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Loans, net of unearned income | 1,017,110 |  | 790,620 |  |  |
Residential mortgage | 1-4 Family 1st Lien |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Allowance for loan losses: ending balance, collectively evaluated for impairment | 2,491 |  | 1,503 |  |  |
Allowance for loan losses: ending balance, individually evaluated for impairment | 0 |  | 0 |  |  |
Allowance for loan losses | 2,491 | 2,196 | 1,503 | 1,507 | 1,349 | 1,207
Loans receivable: ending balance, collectively evaluated for impairment | 429,301 |  | 312,564 |  |  |
Loans receivable: ending balance, individually evaluated for impairment | 1,203 |  | 1,028 |  |  |
Loans, net of unearned income | 430,504 |  | 313,592 |  |  |
Residential mortgage | 1-4 Family Rental |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Allowance for loan losses: ending balance, collectively evaluated for impairment | 2,310 |  | 1,756 |  |  |
Allowance for loan losses: ending balance, individually evaluated for impairment | 0 |  | 0 |  |  |
Allowance for loan losses | 2,310 | 2,258 | 1,756 | 1,772 | 1,704 | 1,859
Loans receivable: ending balance, collectively evaluated for impairment | 410,751 |  | 336,460 |  |  |
Loans receivable: ending balance, individually evaluated for impairment | 902 |  | 176 |  |  |
Loans, net of unearned income | 411,653 |  | 336,636 |  |  |
Residential mortgage | HELOC and Junior Liens |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Allowance for loan losses: ending balance, collectively evaluated for impairment | 564 |  | 392 |  |  |
Allowance for loan losses: ending balance, individually evaluated for impairment | 0 |  | 0 |  |  |
Allowance for loan losses | 564 | 520 | 392 | 388 | 397 | 389
Loans receivable: ending balance, collectively evaluated for impairment | 173,071 |  | 138,113 |  |  |
Loans receivable: ending balance, individually evaluated for impairment | 1,882 |  | 2,279 |  |  |
Loans, net of unearned income | 174,953 |  | 140,392 |  |  |
Consumer |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Allowance for loan losses | 23 | $ 41 | 25 | $ 18 | $ 17 | $ 20
Loans, net of unearned income | 7,842 |  | 8,862 |  |  |
Consumer | Consumer |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |
Allowance for loan losses: ending balance, collectively evaluated for impairment | 23 |  | 25 |  |  |
Allowance for loan losses: ending balance, individually evaluated for impairment | 0 |  | 0 |  |  |
Allowance for loan losses | 23 |  | 25 |  |  |
Loans receivable: ending balance, collectively evaluated for impairment | 7,825 |  | 8,862 |  |  |
Loans receivable: ending balance, individually evaluated for impairment | 17 |  | 0 |  |  |
Loans, net of unearned income | $ 7,842 |  | $ 8,862 |  |  |

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 of allowance for credit loss on financing receivable evaluated on collective basis. Excludes financing receivable evaluated on individual basis. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.5.a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480418/310-10-S99-4 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 30 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479391/326-20-30-2 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of allowance for credit loss on financing receivable evaluated on individual basis. Excludes financing receivable evaluated on collective basis. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.5.a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480418/310-10-S99-4 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 30 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479391/326-20-30-2 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: 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 Reference 3: 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 Reference 4: 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 Reference 5: 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 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph c -Publisher SEC + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of financing receivable collectively evaluated for credit loss. Excludes financing receivable individually evaluated for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.5.a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480418/310-10-S99-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11C -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-11C + Details
Name: | us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of 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 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable individually evaluated for credit loss. Excludes financing receivable collectively evaluated for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.5.a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480418/310-10-S99-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11C -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-11C + Details
Name: | us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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