v3.25.4
Condensed Financial Information (Parent Company Only) - Condensed Statements of Cash Flows (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Cash flows from operating activities      
Net income (loss) $ 22,726 $ 62,621 $ 7,821
Adjustments to reconcile net income to net cash from operating activities:      
Stock based compensation 5,635 4,048 3,213
Net amortization of purchase valuation adjustments (6,743) (1,997) (618)
Loss (gain) on sales and valuation adjustments on other real estate owned 612 (7,906) 218
Change in unrealized (gains) losses on equity securities (1) (487) (104)
Loss on debt extinguishment (1,361) 0 0
Change in fair value of derivatives recognized in earnings 176 (95) 522
Net change in:      
Other assets (17,908) 11,224 6,166
Interest payable and other liabilities (11,012) 1,297 5,767
Net cash provided by operating activities 51,365 73,845 76,527
Cash flows (to) from investing activities      
Net redemptions (purchases) of correspondent and miscellaneous other stock (814) (543) (11,855)
Proceeds from sale of other real estate owned 1,704 9,397 1,874
Net cash (used in) provided by investing activities 136,918 123,729 232,170
Cash flows (to) from financing activities      
Principal payments on bank stock loan 0 (691) 0
Proceeds from issuance of common stock, net (73) 86,980 0
Proceeds from exercise of employee stock options 316 3,506 203
Proceeds from employee stock purchase plan 882 726 784
Proceeds from subordinated debt 75,000 0 0
Principal payments on subordinated debt 75,000 0 0
Debt issue cost 1,195 0 0
Dividends paid on common stock (11,417) (7,892) (6,614)
Net cash provided by (used in) financing activities 35,787 (192,926) (34,026)
Net change in cash and cash equivalents 224,070 4,648 274,671
Cash and cash equivalents, beginning of period 383,747 379,099 104,428
Ending cash and cash equivalents 607,817 383,747 379,099
Equity Bancshares, Inc. [Member]      
Cash flows from operating activities      
Net income (loss) 22,726 62,621 7,821
Adjustments to reconcile net income to net cash from operating activities:      
Stock based compensation 5,635 4,048 3,213
Equity in undistributed (income) loss (11,843) (35,468) 17,844
Net amortization of purchase valuation adjustments 502 555 530
Loss (gain) on sales and valuation adjustments on other real estate owned   (8,500)  
Change in unrealized (gains) losses on equity securities   (294)  
Loss on debt extinguishment 1,361    
Change in fair value of derivatives recognized in earnings 1 4  
Net change in:      
Other assets (32,142) (4,938) (658)
Interest payable and other liabilities (11,118) (3,175) (2,556)
Net cash provided by operating activities (24,972) 13,760 24,949
Cash flows (to) from investing activities      
Net redemptions (purchases) of correspondent and miscellaneous other stock (537) (493) (751)
Proceeds from sale of other real estate owned   8,500  
Net cash (used in) provided by investing activities (15,416) 7,812 (801)
Cash flows (to) from financing activities      
Principal payments on bank stock loan   (691)  
Proceeds from issuance of common stock, net (73) 86,980  
Proceeds from exercise of employee stock options 316 3,506 203
Proceeds from employee stock purchase plan 882 726 784
Purchase of treasury stock (13,986) (11,859) (17,900)
Proceeds from subordinated debt 75,000    
Principal payments on subordinated debt (75,000)    
Debt issue cost (1,195)    
Dividends paid on common stock (11,417) (7,892) (6,614)
Net cash provided by (used in) financing activities (25,473) 70,770 (23,527)
Net change in cash and cash equivalents (65,861) 92,342 621
Cash and cash equivalents, beginning of period 105,071 12,729 12,108
Ending cash and cash equivalents 39,210 105,071 12,729
EBAC [Member] | Equity Bancshares, Inc. [Member]      
Adjustments to reconcile net income to net cash from operating activities:      
Equity in undistributed (income) loss 374 358 305
Cash flows (to) from investing activities      
Additional investment (1,125) (100) (50)
ERMI [Member] | Equity Bancshares, Inc. [Member]      
Adjustments to reconcile net income to net cash from operating activities:      
Equity in undistributed (income) loss (468) (1,451) $ (1,550)
KansasLand Bank [Member] | Equity Bancshares, Inc. [Member]      
Cash flows (to) from investing activities      
Net cash (paid) received from acquisition   $ (95)  
NBC [Member]      
Cash flows (to) from investing activities      
Net cash (paid) received from acquisition $ (13,754)