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v3.23.2

Deposits (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
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Affiliate company deposits | Assets pledged as collateral |  |
Cash and Cash Equivalents [Line Items] |  |
Deposit liabilities uninsured by FDIC | $ 1.7 |
Retail accounts |  |
Cash and Cash Equivalents [Line Items] |  |
Percentage of deposit held | 43.90% |
Commercial accounts |  |
Cash and Cash Equivalents [Line Items] |  |
Percentage of deposit held | 33.40% |
Municipal relationships |  |
Cash and Cash Equivalents [Line Items] |  |
Percentage of deposit held | 14.40% |
Municipal relationships | Collateralized by letters of credit |  |
Cash and Cash Equivalents [Line Items] |  |
Letters of credit pledged as collateral | $ 344.6 |
Brokered deposits |  |
Cash and Cash Equivalents [Line Items] |  |
Percentage of deposit held | 8.40% |
Deposit uninsured by FDIC |  |
Cash and Cash Equivalents [Line Items] |  |
Percentage of deposit held | 25.40% | 36.90%
Deposit liabilities uninsured by FDIC | $ 820.6 | $ 1,100.0

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- Definition Amount of deposit liabilities uninsured by FDIC. + References No definition available. + Details
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- Definition Amount of assets pledged to secure a debt instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480848/942-470-50-3 + Details
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