XML 69 R48.htm IDEA: XBRL DOCUMENT
v3.22.4

Deposits (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Deposits [Abstract] |
Schedule Of Deposits | Year-end deposits are summarized in the following table:
|  | December 31,
|  | 2022 (1) |  | 2021
|  | (in thousands)
Demand and other noninterest-bearing |  | $ | 8,373,350 |  |  | $ | 8,856,714 |
Money market |  | 2,972,838 |  |  | 3,525,299 |
Interest-bearing demand |  | 1,980,631 |  |  | 1,999,407 |
Savings |  | 1,555,765 |  |  | 1,617,546 |
Interest-bearing public funds, other than certificates of deposit |  | 670,580 |  |  | 779,146 |
Certificates of deposit, less than $250,000 |  | 215,848 |  |  | 249,120 |
Certificates of deposit, $250,000 or more |  | 124,411 |  |  | 160,490 |
Certificates of deposit insured by CD Option of IntraFi Network Deposits |  | 21,828 |  |  | 35,611 |
Reciprocal money market accounts |  | 796,199 |  |  | 786,046 |
Subtotal |  | 16,711,450 |  |  | 18,009,379 |
Valuation adjustment resulting from acquisition accounting |  | — |  |  | 736 |
Total deposits |  | $ | 16,711,450 |  |  | $ | 18,010,115 |
Schedule Of Time Deposits Maturity | The following table shows the amount and maturity of time deposits:
|  | Years Ending December 31,
|  | (in thousands)
2023 (1) |  | $ | 266,873 |
2024 |  | 62,907 |
2025 |  | 14,325 |
2026 |  | 9,688 |
2027 |  | 8,284 |
Thereafter |  | 10 |
Total |  | $ | 362,087 |

X
- Definition Schedule Of Deposits [Table Text Block] + References No definition available. + Details
Name: | colb_ScheduleOfDepositsTableTextBlock
Namespace Prefix: | colb_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of Time Deposits Maturity [Table Text Block] + References No definition available. + Details
Name: | colb_ScheduleOfTimeDepositsMaturityTableTextBlock
Namespace Prefix: | colb_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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