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Deposits - Narrative (Details) - USD ($) $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Apr. 01, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Business Acquisition [Line Items] |  |  |
Demand and savings deposits |  | $ 1,700.0 |
Organic deposit decline |  | $ 280.6 |
Organic deposit decline percent |  | 2.20% |
Non-maturity deposits decline |  | $ 513.5 |
Maturity deposits decline |  | 232.9 |
Deposits exceeding FDIC amount |  | $ 8,100.0 | $ 7,600.0
Level One |  |  |
Business Acquisition [Line Items] |  |  |
Demand and savings deposits | $ 1,900.0 |  |

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- Definition Amount of uninsured deposit liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph (e) + Details
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- Definition The net cash inflow or outflow for the increase (decrease) in the beginning and end of period deposits balances. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3095-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 230 -Section 45 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123398031&loc=d3e60009-112784 + Details
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