XML 37 R28.htm IDEA: XBRL DOCUMENT
v3.22.2

Loans (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2022
Financing Receivable, Credit Quality Indicator - interest written off on nonaccrual loans [Line Items] |
Analysis of Loan Portfolio by Major Types of Loans | The Company’s loan portfolio includes originated and purchased loans. The following is an analysis of the loan portfolio by segment and class (net of unearned income):
|  | June 30, 2022 |  | December 31, 2021
|  | (dollars in thousands)
Commercial loans: |  |  |  |
Commercial real estate |  | $ | 5,251,100 |  |  | $ | 4,981,263 |
Commercial business |  | 3,646,956 |  |  | 3,423,268 |
Agriculture |  | 853,099 |  |  | 795,715 |
Construction |  | 482,211 |  |  | 384,755 |
Consumer loans: |  |  |  |
One-to-four family residential real estate |  | 1,042,190 |  |  | 1,013,908 |
Other consumer |  | 46,831 |  |  | 43,028 |
Total loans |  | 11,322,387 |  |  | 10,641,937 |
Less: Allowance for credit losses |  | (149,935) |  |  | (155,578) |
Total loans, net |  | $ | 11,172,452 |  |  | $ | 10,486,359 |
Analysis of the Aged Loan Portfolio | The following is an aging of the recorded investment of the loan portfolio at the dates presented:
|  | Current Loans |  | 30 - 59 Days Past Due |  | 60 - 89 Days Past Due |  | Greater than 90 Days Past Due |  | Total Past Due |  | Nonaccrual Loans |  | Total Loans
June 30, 2022 |  | (in thousands)
Commercial loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate |  | $ | 5,244,961 |  |  | $ | 1,281 |  |  | $ | 2,183 |  |  | $ | — |  |  | $ | 3,464 |  |  | $ | 2,675 |  |  | $ | 5,251,100 |
Commercial business |  | 3,621,858 |  |  | 14,910 |  |  | 241 |  |  | — |  |  | 15,151 |  |  | 9,947 |  |  | 3,646,956 |
Agriculture |  | 849,483 |  |  | 400 |  |  | — |  |  | — |  |  | 400 |  |  | 3,216 |  |  | 853,099 |
Construction |  | 481,238 |  |  | 973 |  |  | — |  |  | — |  |  | 973 |  |  | — |  |  | 482,211 |
Consumer loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |
One-to-four family residential real estate |  | 1,038,770 |  |  | 1,537 |  |  | 743 |  |  | — |  |  | 2,280 |  |  | 1,140 |  |  | 1,042,190 |
Other consumer |  | 46,693 |  |  | 108 |  |  | 10 |  |  | — |  |  | 118 |  |  | 20 |  |  | 46,831 |
Total |  | $ | 11,283,003 |  |  | $ | 19,209 |  |  | $ | 3,177 |  |  | $ | — |  |  | $ | 22,386 |  |  | $ | 16,998 |  |  | $ | 11,322,387 |
|  | Current Loans |  | 30 - 59 Days Past Due |  | 60 - 89 Days Past Due |  | Greater than 90 Days Past Due |  | Total Past Due |  | Nonaccrual Loans |  | Total Loans
December 31, 2021 |  | (in thousands)
Commercial loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate |  | $ | 4,977,781 |  |  | $ | — |  |  | $ | 1,610 |  |  | $ | — |  |  | $ | 1,610 |  |  | $ | 1,872 |  |  | $ | 4,981,263 |
Commercial business |  | 3,406,539 |  |  | 2,721 |  |  | 687 |  |  | — |  |  | 3,408 |  |  | 13,321 |  |  | 3,423,268 |
Agriculture |  | 789,112 |  |  | 1,207 |  |  | — |  |  | — |  |  | 1,207 |  |  | 5,396 |  |  | 795,715 |
Construction |  | 384,755 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 384,755 |
Consumer loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |
One-to-four family residential real estate |  | 1,010,343 |  |  | 921 |  |  | 211 |  |  | — |  |  | 1,132 |  |  | 2,433 |  |  | 1,013,908 |
Other consumer |  | 42,998 |  |  | 11 |  |  | — |  |  | — |  |  | 11 |  |  | 19 |  |  | 43,028 |
Total |  | $ | 10,611,528 |  |  | $ | 4,860 |  |  | $ | 2,508 |  |  | $ | — |  |  | $ | 7,368 |  |  | $ | 23,041 |  |  | $ | 10,641,937 |
Interest written off on nonaccrual loans | The following table summarizes written-off interest on nonaccrual loans for the periods indicated:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2022 |  | 2021 |  | 2022 |  | 2021
|  | (in thousands)
Commercial loans |  | $ | 71 |  |  | $ | 212 |  |  | $ | 139 |  |  | $ | 424 |
Consumer loans |  | 1 |  |  | 2 |  |  | 8 |  |  | 9 |
Total |  | $ | 72 |  |  | $ | 214 |  |  | $ | 147 |  |  | $ | 433 |
Analysis of Nonaccrual Loans | The following summarizes the amortized cost of nonaccrual loans for which there was no related ACL for the periods indicated:
|  | June 30, 2022 |  | December 31, 2021
|  | (in thousands)
Commercial loans: |  |  |  |
Commercial real estate |  | $ | 1,760 |  |  | $ | 932 |
Commercial business |  | 4,036 |  |  | 5,131 |
Agriculture |  | 2,079 |  |  | 3,756 |
Consumer loans: |  |  |  |
One-to-four family residential real estate |  | 751 |  |  | — |
Total |  | $ | 8,626 |  |  | $ | 9,819 |
Analysis of loans classified as Troubled Debt Restructurings (“TDR”) | The following is an analysis of loans classified as TDR for the periods indicated:
|  | Three Months Ended June 30, 2022 |  | Three Months Ended June 30, 2021
|  | Number of TDR Modifications |  | Pre-Modification Outstanding Recorded Investment |  | Post-Modification Outstanding Recorded Investment |  | Number of TDR Modifications |  | Pre-Modification Outstanding Recorded Investment |  | Post-Modification Outstanding Recorded Investment
|  | (dollars in thousands)
Commercial loans: |  |  |  |  |  |  |  |  |  |  |  |
Commercial business |  | — |  |  | — |  |  | — |  |  | 4 |  |  | $ | 1,757 |  |  | $ | 1,757 |
Total |  | — |  |  | $ | — |  |  | $ | — |  |  | 4 |  |  | $ | 1,757 |  |  | $ | 1,757 |
|  | Six Months Ended June 30, 2022 |  | Six Months Ended June 30, 2021
|  | Number of TDR Modifications |  | Pre-Modification Outstanding Recorded Investment |  | Post-Modification Outstanding Recorded Investment |  | Number of TDR Modifications |  | Pre-Modification Outstanding Recorded Investment |  | Post-Modification Outstanding Recorded Investment
|  | (dollars in thousands)
Commercial loans: |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate |  | — |  |  | $ | — |  |  | $ | — |  |  | 1 |  |  | $ | 628 |  |  | $ | 628 |
Commercial business |  | — |  |  | — |  |  | — |  |  | 11 |  |  | 2,600 |  |  | 2,600 |
Agriculture |  | 1 |  |  | 633 |  |  | 633 |  |  | — |  |  | — |  |  | — |
Consumer loans: |  |  |  |  |  |  |  |  |  |  |  |
One-to-four family residential real estate |  | — |  |  | — |  |  | — |  |  | 2 |  |  | 140 |  |  | 140 |
Total |  | 1 |  |  | $ | 633 |  |  | $ | 633 |  |  | 14 |  |  | $ | 3,368 |  |  | $ | 3,368 |

X
- Definition Interest written off on nonaccrual loans + References No definition available. + Details
Name: | colb_InterestwrittenoffonnonaccrualloansTableTextBlock
Namespace Prefix: | colb_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of aging analysis for financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919253-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953401-111524 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922355-210448 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5111-111524 + Details
Name: | us-gaap_PastDueFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivable on nonaccrual status. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5111-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447 + Details
Name: | us-gaap_ScheduleOfFinancingReceivablesNonAccrualStatusTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivable modified as troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524 + Details
Name: | us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration