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Merger - Schedule of Merger-Related One-Time and Conversion Costs (Details) - Bank of Marin - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total merger-related one-time and conversion costs | $ 311 | $ 217 | $ 858 | $ 217
Personnel and severance |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total merger-related one-time and conversion costs | 58 | 0 | 393 | 0
Professional services |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total merger-related one-time and conversion costs | 0 | 201 | 67 | 201
Data processing |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total merger-related one-time and conversion costs | 29 | 0 | 77 | 0
Other expense |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total merger-related one-time and conversion costs | $ 224 | $ 16 | $ 321 | $ 16

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- Definition The amount of cash paid during the reporting period for charges associated with the mergers. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3536-108585 + Details
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