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Other Assets and Other Liabilities Held for Sale (Details) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Mar. 12, 2021 USD ($) branch | May 18, 2020 USD ($) branch | Feb. 28, 2020 USD ($) branch
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Gain on sale of business | $ 5,300,000 | $ 8,100,000 |  |  |
Disposal Group, Held-for-sale, Not Discontinued Operations |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Outstanding other assets and other liabilities held for sale | 0 |  |  |  |
Texas Branches |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Number of branches sold | branch |  |  |  |  | 5
Texas Branches | Disposal Group, Held-for-sale, Not Discontinued Operations |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Loans held for sale |  |  |  |  | $ 260,300,000
Deposit held for sale |  |  |  |  | $ 139,500,000
Colorado Branches |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Number of branches sold | branch |  |  |  | 4 |
Colorado Branches | Disposal Group, Held-for-sale, Not Discontinued Operations |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Loans held for sale |  |  |  | $ 120,400,000 |
Deposit held for sale |  |  |  | $ 63,100,000 |
Texas and Colorado Branches | Disposal Group, Held-for-sale, Not Discontinued Operations |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Gain on sale of business |  | $ 8,100,000 |  |  |
Illinois Branch |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Number of branches sold | branch |  |  | 4 |  |
Illinois Branch | Disposal Group, Held-for-sale, Not Discontinued Operations |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Loans held for sale |  |  | $ 354,000 |  |
Deposit held for sale |  |  | $ 137,900,000 |  |
Gain on sale of business | $ 5,300,000 |  |  |  |

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