Business Combination, Purchase And Assumption Agreement, Period To Sell Shares

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Number Of Branches

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

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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.

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No definition available.

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- Definition

In a business combination in which the amount of net identifiable assets acquired and liabilities assumed exceeds the aggregate consideration transferred or to be transferred (as defined), this element represents the amount of gain recognized by the entity.

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Business Combinations - Narrative (Details) $ in Millions			3 Months Ended
Business Combinations - Narrative (Details) $ in Millions	Mar. 31, 2023 loan shares	Mar. 20, 2023 USD ($) branch	Mar. 31, 2023 USD ($) loan	Dec. 31, 2022 USD ($)	Mar. 31, 2022 USD ($)
Business Acquisition [Line Items]
Number of branches \| loan	435		435
Bargain purchase gain \| $			$ 2,001	$ 159	$ 0
Signature Bridge Bank
Business Acquisition [Line Items]
Bargain purchase gain \| $		$ 2,001	$ 2,000
Signature Bridge Bank \| Core Deposits
Business Acquisition [Line Items]
Estimated useful life		10 years
Signature Bridge Bank \| FDIC
Business Acquisition [Line Items]
Shares issued (in shares) \| shares	39,032,006
Number of days to sell shares		40 days
Signature Bridge Bank \| New York
Business Acquisition [Line Items]
Number of branches		29
Signature Bridge Bank \| California
Business Acquisition [Line Items]
Number of branches		7
Signature Bridge Bank \| North Carolina
Business Acquisition [Line Items]
Number of branches		2
Signature Bridge Bank \| Connecticut
Business Acquisition [Line Items]
Number of branches		1
Signature Bridge Bank \| Nevada
Business Acquisition [Line Items]
Number of branches		1