XML 103 R88.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

DEPOSITS (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Banking and Thrift [Abstract] |  |
Deposit Liabilities Reclassified as Loans Receivable | $ 5,000 | $ 3,300
Deposit Liabilities, Collateral Issued, Financial Instruments | 323,100 | 356,800
Time Deposits, Fiscal Year Maturity [Abstract] |  |
1 year or less | 1,097,407 | 511,292
Over 1 year to 2 years | 204,690 | 111,487
Over 2 years to 3 years | 55,615 | 41,523
Over 3 years to 4 years | 24,038 | 27,040
Over 4 years to 5 years | 13,565 | 19,761
Time Deposits | $ 1,395,315 | $ 711,103
1 year or less (as percent) | 78.60% | 71.90%
Over 1 years to 2 years (as percent) | 14.70% | 15.70%
Over 2 years to 3 years (as percent) | 4.00% | 5.80%
Over 3 years to 4 years (as percent) | 1.70% | 3.80%
Over 4 years to 5 years (as percent) | 1.00% | 2.80%
Time Deposits (as percent) | 100.00% | 100.00%
Deposits over $250,000.00 | $ 244,700 | $ 104,900

X
- Definition Certificates of Deposits over $250,000.00 that are not fully insured by the FDIC + References No definition available. + Details
Name: | indb_CertificatesofDepositsover250000.00
Namespace Prefix: | indb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Time Deposit Maturities, Next Twelve Months, Percent of Total + References No definition available. + Details
Name: | indb_TimeDepositMaturitiesNextTwelveMonthsPercentOfTotal
Namespace Prefix: | indb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Time Deposit Maturities, Year Five, Percent of Total + References No definition available. + Details
Name: | indb_TimeDepositMaturitiesYearFivePercentOfTotal
Namespace Prefix: | indb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Time Deposit Maturities, Year Four, Percent of Total + References No definition available. + Details
Name: | indb_TimeDepositMaturitiesYearFourPercentOfTotal
Namespace Prefix: | indb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Time Deposit Maturities, Year Three, Percent of Total + References No definition available. + Details
Name: | indb_TimeDepositMaturitiesYearThreePercentOfTotal
Namespace Prefix: | indb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Time Deposit Maturities, Year Two, Percent of Total + References No definition available. + Details
Name: | indb_TimeDepositMaturitiesYearTwoPercentOfTotal
Namespace Prefix: | indb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Time Deposits, Percent of Total + References No definition available. + Details
Name: | indb_TimeDepositsPercentOfTotal
Namespace Prefix: | indb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition Amount of securities, mortgage loans, or other financial instruments pledged as collateral for deposits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116652737&loc=d3e64164-112818 + Details
Name: | us-gaap_DepositLiabilitiesCollateralIssuedFinancialInstruments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of deposits held by the entity that have been reclassified as loan balances receivable, for example, but not limited to, overdrafts receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116652737&loc=d3e64164-112818 + Details
Name: | us-gaap_DepositLiabilitiesReclassifiedAsLoansReceivable1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of time deposits maturing in the fifth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_TimeDepositMaturitiesYearFive
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of time deposits maturing in the fourth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_TimeDepositMaturitiesYearFour
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of time deposits maturing in the next fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_TimeDepositMaturitiesYearOne
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of time deposits maturing in the third fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_TimeDepositMaturitiesYearThree
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of time deposits maturing in the second fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_TimeDepositMaturitiesYearTwo
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of time deposit liabilities, including certificates of deposit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=116652737&loc=d3e64164-112818 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_TimeDeposits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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