XML 72 R53.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Loans, Allowance for Loan Losses and Credit Quality (Post-Modification balance of TDRs Listed by Type of Modifications) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Post modification balance of Troubled Debt Restructuring |  |  |  |
EXTENDED MATURITY | $ 486 | $ 256 | $ 4,565 | $ 2,638
Financing Receivable Modifications Post Modification Recorded Investment Adjusted Interest Rate | 0 | 0 | 0 | 92
COMBINATION RATE & MATURITY | 196 | 730 | 196 | 990
COURT ORDERED CONCESSION | 133 | 387 | 1,475 | 1,253
TOTAL | $ 815 | $ 1,373 | $ 6,236 | $ 4,973

X
- Definition Post-modification balance of troubled debt restructurings by adjusted interest rate. + References No definition available. + Details
Name: | indb_FinancingReceivableModificationsPostModificationRecordedInvestmentAdjustedInterestRate
Namespace Prefix: | indb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing receivable modifications post modification recorded investment combination of rate and maturity. + References No definition available. + Details
Name: | indb_FinancingReceivableModificationsPostModificationRecordedInvestmentCombinationOfRateAndMaturity
Namespace Prefix: | indb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing Receivable Modifications Post Modification Recorded Investment Court Ordered Concession + References No definition available. + Details
Name: | indb_FinancingReceivableModificationsPostModificationRecordedInvestmentCourtOrderedConcession
Namespace Prefix: | indb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Post-modification balance of troubled debt restructurings by extended maturity. + References No definition available. + Details
Name: | indb_FinancingReceivableModificationsPostModificationRecordedInvestmentExtendedMaturity
Namespace Prefix: | indb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing receivable modifications post modification recorded investments. + References No definition available. + Details
Name: | indb_FinancingReceivableModificationsPostModificationRecordedInvestments
Namespace Prefix: | indb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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