XML 90 R67.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Finance Receivables, Modified, Past Due (Details) - Aging Loan Modification Member - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | $ 90,278 | $ 37,241
Financial Asset, Not Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 78,618 | 36,730
Financial Asset, Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 11,660 | 511
Commercial And Industrial [Member] |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 24,755 | 19,466
Commercial And Industrial [Member] | Financial Asset, Not Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 24,755 | 19,091
Commercial And Industrial [Member] | Financial Asset, Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 0 | 0
Commercial And Industrial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 0 | 375
Commercial Real Estate [Member] |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 52,678 | 17,529
Commercial Real Estate [Member] | Financial Asset, Not Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 41,018 | 17,393
Commercial Real Estate [Member] | Financial Asset, Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 0 | 0
Commercial Real Estate [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 11,660 | 136
Small Business [Member] |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 62 | 246
Small Business [Member] | Financial Asset, Not Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 62 | 246
Small Business [Member] | Financial Asset, Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 0 | 0
Small Business [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 0 | $ 0
Construction Loans [Member] |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 11,490 |
Construction Loans [Member] | Financial Asset, Not Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 11,490 |
Construction Loans [Member] | Financial Asset, Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 0 |
Construction Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 0 |
Residential Real Estate [Member] |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 1,161 |
Residential Real Estate [Member] | Financial Asset, Not Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 1,161 |
Residential Real Estate [Member] | Financial Asset, Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 0 |
Residential Real Estate [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 0 |
Home Equity Loan [Member] |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 132 |
Home Equity Loan [Member] | Financial Asset, Not Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 132 |
Home Equity Loan [Member] | Financial Asset, Past Due |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | 0 |
Home Equity Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Modified, Past Due [Line Items] |  |
Financing Receivable, Modified, after 12 Months | $ 0 |

X
- Definition Amortized cost of financing receivable 12 months after modification for debtor experiencing financial difficulty. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 + Details
Name: | us-gaap_FinancingReceivableModifiedPast12Months
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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/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 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 + Details
Name: | us-gaap_FinancingReceivableModifiedPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LoanRestructuringModificationNameAxis=indb_AgingLoanModificationMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetNotPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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