v3.25.4
Document and Entity Information - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Feb. 27, 2026
Jun. 30, 2025
Document Information [Line Items]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2025    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Trading Symbol EQBK    
Entity Registrant Name EQUITY BANCSHARES, INC.    
Entity Central Index Key 0001227500    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
ICFR Auditor Attestation Flag true    
Entity Public Float     $ 688.6
Entity File Number 001-37624    
Entity Incorporation, State or Country Code KS    
Entity Tax Identification Number 72-1532188    
Title of 12(b) Security Class A Common Stock, par value $0.01 per share    
Security Exchange Name NYSE    
Entity Interactive Data Current Yes    
Entity Address, Address Line One 7701 East Kellogg Drive    
Entity Address, Address Line Two Suite 300    
Entity Address, City or Town Wichita    
Entity Address, State or Province KS    
Entity Address, Postal Zip Code 67207    
City Area Code 316    
Local Phone Number 612.6000    
Document Annual Report true    
Document Transition Report false    
Auditor Name Crowe LLP    
Auditor Location Indianapolis, Indiana    
Auditor Firm ID 173    
Auditor Opinion [Text Block]

Opinions on the Financial Statements and Internal Control over Financial Reporting

We have audited the accompanying consolidated balance sheets of Equity Bancshares, Inc. (the "Company") as of December 31, 2025 and 2024, the related consolidated statements of income, comprehensive income, stockholders’ equity, and cash flows for each of the years in the three-year period ended December 31, 2025, and the related notes (collectively referred to as the "financial statements"). We also have audited the Company’s internal control over financial reporting as of December 31, 2025, based on criteria established in Internal Control – Integrated Framework: (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO).

In our opinion, the financial statements referred to above present fairly, in all material respects, the financial position of the Company as of December 31, 2025 and 2024, and the results of its operations and its cash flows for each of the years in the three-year period ended December 31, 2025 in conformity with accounting principles generally accepted in the United States of America. Also in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2025, based on criteria established in Internal Control – Integrated Framework: (2013) issued by COSO.

   
Documents Incorporated by Reference

Portions of the registrant’s Proxy Statement relating to the 2026 Annual Meeting of Stockholders, which will be filed within 120 days after December 31, 2025, are incorporated by reference into Part III of this Annual Report on Form 10-K.

   
Class A Common Stock [Member]      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   20,992,139  
Class B Non-Voting Common Stock [Member]      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   0