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Income Taxes - Additional Information (Details) - USD ($) | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | --- | ---
Income Taxes [Line Items] |  |  |
Bad debt reserves, created for tax purposes |  | $ 58,600,000 |
Valuation allowance recorded |  | 0 | $ 0
First Midwest |  |  |
Income Taxes [Line Items] |  |  |
Unrecognized tax benefits that would impact effective tax rate |  | 5,600,000 |
First Midwest | Forecast |  |  |
Income Taxes [Line Items] |  |  |
Unrecognized tax benefits that would impact effective tax rate | $ 5,000,000 |  |
Federal |  |  |
Income Taxes [Line Items] |  |  |
Operating loss carryforwards |  | 60,200,000 | 63,600,000
State |  |  |
Income Taxes [Line Items] |  |  |
Operating loss carryforwards |  | $ 106,000,000.0 | $ 116,900,000

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- Definition Amount of bad debt reserves for tax purposes of qualified lenders excluded in calculating deferred taxes. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 25 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482620/740-10-25-3 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -SubTopic 740 -Topic 942 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477617/942-740-50-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -SubTopic 740 -Topic 944 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478822/944-740-50-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 25 -Paragraph 1 -Subparagraph (a) -SubTopic 740 -Topic 942 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478010/942-740-25-1 + Details
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-3 + Details
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