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Credit Quality - Additional Information (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2025 USD ($)
Receivables [Abstract] |
Minimum days for discontinue of accrual interest on commercial and consumer loan | 90 days
Maximum days for discontinue of accrual interest on commercial and consumer loan | 120 days
Minimum number of days required for special mention | 30 days
Maximum number of days required for special mention | 89 days
Number of days required for substandard | 90 days
Description of Credit Risk Exposure | For United’s loans with a corporate credit exposure, United analyzes loans individually to classify the loans as to credit risk. Review and analysis of criticized (special mention-rated loans in the amount of $1,000,000 or greater) and classified (substandard-rated and worse in the amount of $500,000 and greater) loans is completed once per quarter. Review of notes with committed exposure of $3,000,000 or greater is completed at least annually.
Modification additional funds recorded investment | $ 139,000

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- Definition For consumer credit exposures, maximum number of days past due required for special mention rating. + References No definition available. + Details
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- Definition For consumer credit exposures, minimum number of days past due required for special mention rating. + References No definition available. + Details
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- Definition For consumer credit exposures, the number of days past due required for substandard rating. + References No definition available. + Details
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- Definition Maximum number of days past due to discontinue the accrual of interest on commercial and consumer loans. + References No definition available. + Details
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- Definition Minimum number of days past due to discontinue the accrual of interest on commercial and consumer loans. + References No definition available. + Details
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- Definition Additional funds advanced on outstanding recorded investment in troubled debt restructured loans. + References No definition available. + Details
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- Definition Description of the sources of credit risk exposure faced by the entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4K -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4K Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4K -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4K Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-20 + Details
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