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Goodwill and Other Intangible Assets - Other Intangible Assets, Textual (Details) - Core Deposits	9 Months Ended
	Sep. 30, 2021
Premier Commercial Bancorp
Finite-Lived Intangible Assets [Line Items]
Useful life	10 years
Puget Sound Bancorp
Finite-Lived Intangible Assets [Line Items]
Useful life	10 years
Washington Banking Company
Finite-Lived Intangible Assets [Line Items]
Useful life	10 years
Valley Community Bancshares
Finite-Lived Intangible Assets [Line Items]
Useful life	10 years

X

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- 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

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- Details

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- Details

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- Details

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- Details

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