v3.25.4
Deposits - Additional Information (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Time Deposits [Line Items]    
Total time deposits that met or exceeded the FDIC insurance limit of $250,000 $ 480,526 $ 335,565
Insured Cash Sweep (“ICS”) reciprocal demand deposits 571,989 544,666
Insured Cash Sweep (“ICS”) reciprocal demand deposits included savings and money market 101,831 100,596
Reciprocal Deposits [Member]    
Time Deposits [Line Items]    
Insured Cash Sweep (“ICS”) reciprocal demand deposits 571,989 469,551
Insured Cash Sweep (“ICS”) reciprocal demand deposits included savings and money market 100,226 100,596
CDARS deposits included in time deposit balance 51,691 35,393
Reciprocal customer funds placed in the CDARS program $ 51,691 $ 35,393
Reciprocal deposits, description Reciprocal deposits are not considered brokered deposits as long as the aggregate balance is less than the lesser of 20% of total liabilities or $5 billion and Equity Bank is well capitalized and well rated. All non-reciprocal deposits and reciprocal deposits in excess of regulatory limits are considered brokered deposits.  
Interest bearing domestic deposit, certificates of deposits $ 5,000,000  
Reciprocal Deposits [Member] | Minimum [Member]    
Time Deposits [Line Items]    
Percentage of interest bearing domestic certificates of deposit liabilities to total liabilities 20.00%