XML 168 R152.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Revenue from Contracts with Customers - Summary of Revenues From Contracts With Customers (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | $ 245,699 | $ 233,404 | $ 268,672
Total non-interest income | 251,899 | 314,337 | 440,783
Ametros |  |  |
Revenue from External Customer [Line Items] |  |  |
Contracts with customers contract liabilities | 23,000 |  |
Deposit service fees |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 161,144 | 169,318 | 198,472
Loan and lease related fees |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 14,170 | 17,633 | 21,498
Wealth and investment services |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 33,234 | 28,999 | 40,277
Other |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 37,151 | 17,454 | 8,425
Other sources of non-interest income |  |  |
Revenue from External Customer [Line Items] |  |  |
Total non-interest income | 6,200 | 80,933 | 172,111
Operating Segments |  |  |
Revenue from External Customer [Line Items] |  |  |
Total non-interest income | 366,949 | 328,229 | 395,714
Operating Segments | Commercial Banking |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 47,196 | 45,164 | 56,297
Total non-interest income | 143,104 | 125,265 | 164,044
Operating Segments | Commercial Banking | Deposit service fees |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 19,904 | 15,987 | 23,449
Operating Segments | Commercial Banking | Loan and lease related fees |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 14,170 | 17,633 | 21,498
Operating Segments | Commercial Banking | Wealth and investment services |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 13,122 | 11,544 | 11,350
Operating Segments | Commercial Banking | Other |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 0 | 0 | 0
Operating Segments | Commercial Banking | Other sources of non-interest income |  |  |
Revenue from External Customer [Line Items] |  |  |
Total non-interest income | 95,908 | 80,101 | 107,747
Operating Segments | Healthcare Financial Services |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 110,207 | 88,113 | 104,586
Total non-interest income | 110,207 | 88,113 | 104,586
Operating Segments | Healthcare Financial Services | Deposit service fees |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 78,211 | 81,051 | 97,654
Operating Segments | Healthcare Financial Services | Loan and lease related fees |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 0 | 0 | 0
Operating Segments | Healthcare Financial Services | Wealth and investment services |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 0 | 0 | 0
Operating Segments | Healthcare Financial Services | Other |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 31,996 | 7,062 | 6,932
Operating Segments | Healthcare Financial Services | Other sources of non-interest income |  |  |
Revenue from External Customer [Line Items] |  |  |
Total non-interest income | 0 | 0 | 0
Operating Segments | Consumer Banking |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 84,791 | 95,215 | 106,017
Total non-interest income | 113,638 | 114,851 | 127,084
Operating Segments | Consumer Banking | Deposit service fees |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 63,591 | 71,539 | 75,567
Operating Segments | Consumer Banking | Loan and lease related fees |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 0 | 0 | 0
Operating Segments | Consumer Banking | Wealth and investment services |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 20,133 | 17,477 | 28,957
Operating Segments | Consumer Banking | Other |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 1,067 | 6,199 | 1,493
Operating Segments | Consumer Banking | Other sources of non-interest income |  |  |
Revenue from External Customer [Line Items] |  |  |
Total non-interest income | 28,847 | 19,636 | 21,067
Corporate and Reconciling |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 3,505 | 4,912 | 1,772
Total non-interest income | (115,050) | (13,892) | 45,069
Corporate and Reconciling | Deposit service fees |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | (562) | 741 | 1,802
Corporate and Reconciling | Loan and lease related fees |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 0 | 0 | 0
Corporate and Reconciling | Wealth and investment services |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | (21) | (22) | (30)
Corporate and Reconciling | Other |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 4,088 | 4,193 | 0
Corporate and Reconciling | Other sources of non-interest income |  |  |
Revenue from External Customer [Line Items] |  |  |
Total non-interest income | $ (118,555) | $ (18,804) | $ 43,297

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-2 + Details
Name: | us-gaap_ContractWithCustomerLiability
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 No definition available. + Details
Name: | us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 + Details
Name: | us-gaap_NoninterestIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 270 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482964/270-10-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (ee) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 4: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 5: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 924 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479941/924-10-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-42 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-40 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-4 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=wbs_AmetrosMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=wbs_DepositServiceFeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=wbs_LoansAndLeaseRelatedFeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_InvestmentAdvisoryManagementAndAdministrativeServiceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=wbs_OtherNonInterestIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=wbs_NonInterestIncomeWithintheScopeofOtherGAAPTopicsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=wbs_CommercialBankingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=wbs_HSABankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=wbs_CommunityBankingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |