Transfers from The ESOP of UMB - Additional Information (Details) - EBP 001 |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Transfers from The ESOP of UMB [Line Items] | |
| Share diversification percentage, upon attaining age 60 | 50.00% |
| Age when, share diversification percentage is 50 | 60 years |
| Maximum | |
| Transfers from The ESOP of UMB [Line Items] | |
| Percentage of diversification of shares | 25.00% |
| Minimum | |
| Transfers from The ESOP of UMB [Line Items] | |
| Participant age | 50 years |
| Years of service | 10 years |