XML 60 R49.htm IDEA: XBRL DOCUMENT
v3.24.3

LOANS - Loan Restructuring (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 USD ($) loan | Sep. 30, 2023 USD ($) loan | Sep. 30, 2024 USD ($) loan | Sep. 30, 2023 USD ($) loan
Summary of loans |  |  |  |
Balance | $ | $ 11,823 | $ 497 | $ 22,424 | $ 1,191
Count | loan | 15 | 3 | 41 | 8
Interest Rate Reduction |  |  |  |
Summary of loans |  |  |  |
Balance | $ | $ 77 | $ 0 | $ 556 | $ 0
Count | loan | 1 | 0 | 3 | 0
Term Extension |  |  |  |
Summary of loans |  |  |  |
Balance | $ | $ 4,886 | $ 497 | $ 8,555 | $ 1,191
Count | loan | 2 | 3 | 23 | 8
Forgiveness of Principal or Interest |  |  |  |
Summary of loans |  |  |  |
Balance | $ | $ 893 | $ 0 | $ 893 | $ 0
Count | loan | 3 | 0 | 3 | 0
Other |  |  |  |
Summary of loans |  |  |  |
Balance | $ | $ 5,967 | $ 0 | $ 12,420 | $ 0
Count | loan | 9 | 0 | 12 | 0
Commercial Loan Portfolio |  |  |  |
Summary of loans |  |  |  |
Balance | $ | $ 11,464 | $ 40 | $ 19,760 | $ 394
Count | loan | 12 | 1 | 25 | 5
Commercial Loan Portfolio | Commercial |  |  |  |
Summary of loans |  |  |  |
Balance | $ | $ 77 | $ 40 | $ 77 | $ 40
Count | loan | 2 | 1 | 2 | 1
Commercial Loan Portfolio | Commercial other |  |  |  |
Summary of loans |  |  |  |
Balance | $ | $ 370 | $ 0 | $ 2,277 | $ 354
Count | loan | 5 | 0 | 17 | 4
Commercial Loan Portfolio | Commercial real estate non-owner occupied |  |  |  |
Summary of loans |  |  |  |
Balance | $ | $ 3,552 | $ 0 | $ 9,941 | $ 0
Count | loan | 1 | 0 | 2 | 0
Commercial Loan Portfolio | Commercial real estate owner occupied |  |  |  |
Summary of loans |  |  |  |
Balance | $ | $ 6,131 | $ 0 | $ 6,131 | $ 0
Count | loan | 3 | 0 | 3 | 0
Commercial Loan Portfolio | Construction and land development |  |  |  |
Summary of loans |  |  |  |
Balance | $ | $ 1,334 | $ 0 | $ 1,334 | $ 0
Count | loan | 1 | 0 | 1 | 0
Residential Loan Portfolio | Residential first lien |  |  |  |
Summary of loans |  |  |  |
Balance | $ | $ 0 | $ 34 | $ 65 | $ 34
Count | loan | 0 | 1 | 1 | 1
Residential Loan Portfolio | Other residential |  |  |  |
Summary of loans |  |  |  |
Balance | $ | $ 0 | $ 0 | $ 82 | $ 0
Count | loan | 0 | 0 | 2 | 0
Consumer Loan Portfolio | Consumer |  |  |  |
Summary of loans |  |  |  |
Balance | $ | $ 11 | $ 0 | $ 37 | $ 0
Count | loan | 1 | 0 | 2 | 0
Lease financing |  |  |  |
Summary of loans |  |  |  |
Balance | $ | $ 348 | $ 423 | $ 2,480 | $ 763
Count | loan | 2 | 1 | 11 | 2

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/2009/role/commonPracticeRef -Topic 310 -SubTopic 20 -Name Accounting Standards Codification -Section 40 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481628/310-20-40-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-2 + Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 33 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-33 + Details
Name: | us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortized cost of financing receivable modified during period for debtor experiencing financial difficulty. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 33 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-33 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 + Details
Name: | us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ContractualInterestRateReductionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_PrincipalForgivenessMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=msbi_OtherModificationsMember
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=us-gaap_CommercialLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=msbi_OtherResidentialLoansMember
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: |

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