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Deposits - Narrative (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2022 | Dec. 31, 2021
Statistical Disclosure for Banks [Abstract] |  |
Time deposits with a denomination of $250,000 or more | $ 1,400 | $ 593
California | Deposits | Geographic Concentration Risk |  |
Deposit Liability [Line Items] |  |
Concentration risk, percentage | 39.50% |
North Carolina | Deposits | Geographic Concentration Risk |  |
Deposit Liability [Line Items] |  |
Concentration risk, percentage | 30.20% | 50.80%
South Carolina | Deposits | Geographic Concentration Risk |  |
Deposit Liability [Line Items] |  |
Concentration risk, percentage | 13.40% | 22.70%

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