XML 169 R146.htm IDEA: XBRL DOCUMENT
v3.25.4

Revenue from Contracts with Customers - Summary of Revenues From Contracts With Customers (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | $ 237,967 | $ 245,699 | $ 233,404
Total non-interest income | 401,519 | 251,899 | 314,337
Net losses on sale of investment securities recognized |  | 136,200 | 33,600
Ametros |  |  |
Revenue from External Customer [Line Items] |  |  |
Contracts with customers contract liabilities | 29,600 | 23,000 |
Deposit service fees |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 157,891 | 161,144 | 169,318
Loan and lease related fees |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 9,688 | 14,170 | 17,633
Wealth and investment services |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 30,983 | 33,234 | 28,999
Other |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 39,405 | 37,151 | 17,454
Other sources of non-interest income |  |  |
Revenue from External Customer [Line Items] |  |  |
Total non-interest income | 163,552 | 6,200 | 80,933
Operating Segments |  |  |
Revenue from External Customer [Line Items] |  |  |
Total non-interest income | 342,396 | 366,949 | 328,229
Operating Segments | Commercial Banking |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 41,309 | 47,196 | 45,164
Total non-interest income | 129,750 | 143,104 | 125,265
Operating Segments | Commercial Banking | Deposit service fees |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 18,491 | 19,904 | 15,987
Operating Segments | Commercial Banking | Loan and lease related fees |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 9,688 | 14,170 | 17,633
Operating Segments | Commercial Banking | Wealth and investment services |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 13,130 | 13,122 | 11,544
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 | 88,441 | 95,908 | 80,101
Operating Segments | Healthcare Financial Services |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 111,756 | 110,207 | 88,113
Total non-interest income | 112,413 | 110,207 | 88,113
Operating Segments | Healthcare Financial Services | Deposit service fees |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 75,879 | 78,211 | 81,051
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 | 35,877 | 31,996 | 7,062
Operating Segments | Healthcare Financial Services | Other sources of non-interest income |  |  |
Revenue from External Customer [Line Items] |  |  |
Total non-interest income | 657 | 0 | 0
Operating Segments | Consumer Banking |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 83,732 | 84,791 | 95,215
Total non-interest income | 100,233 | 113,638 | 114,851
Operating Segments | Consumer Banking | Deposit service fees |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 64,191 | 63,591 | 71,539
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 | 17,874 | 20,133 | 17,477
Operating Segments | Consumer Banking | Other |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 1,667 | 1,067 | 6,199
Operating Segments | Consumer Banking | Other sources of non-interest income |  |  |
Revenue from External Customer [Line Items] |  |  |
Total non-interest income | 16,501 | 28,847 | 19,636
Corporate and Reconciling |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 1,170 | 3,505 | 4,912
Total non-interest income | 59,123 | (115,050) | (13,892)
Corporate and Reconciling | Deposit service fees |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | (670) | (562) | 741
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) | (21) | (22)
Corporate and Reconciling | Other |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenue from contracts with customers | 1,861 | 4,088 | 4,193
Corporate and Reconciling | Other sources of non-interest income |  |  |
Revenue from External Customer [Line Items] |  |  |
Total non-interest income | $ 57,953 | $ (118,555) | $ (18,804)

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 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-11 Reference 2: 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 3: 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 4: 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 Amount of realized loss from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 321 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479536/321-10-50-4 + Details
Name: | us-gaap_EquitySecuritiesFvNiRealizedLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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://www.xbrl.org/2003/role/exampleRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 21 -Publisher FASB -URI https://asc.fasb.org/1943274/2147476153/220-40-55-21 Reference 2: 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/exampleRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147476153/220-40-55-4 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147476153/220-40-55-14 Reference 3: 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 4: 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 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-7 Reference 6: 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 7: 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 8: 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 9: 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 10: 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 11: 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 12: 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 13: 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 14: 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 15: 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 16: 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: |