v3.26.1
INTERIM CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (UNAUDITED) - USD ($)
$ in Thousands
Total
Isabella Bank Corporation Restricted Stock Plan
Common Stock
Common Stock
Isabella Bank Corporation Restricted Stock Plan
Common Stock, Including Additional Paid-in Capital
Common Stock, Including Additional Paid-in Capital
Isabella Bank Corporation Restricted Stock Plan
Common Shares to be Issued for Deferred Compensation Obligations
Retained Earnings
Accumulated Other Comprehensive Income (Loss)
Beginning balances (in shares) at Dec. 31, 2024     7,424,893            
Beginning balances at Dec. 31, 2024 $ 210,276       $ 126,224   $ 2,383 $ 103,024 $ (21,355)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Comprehensive income (loss) 15,948             8,980 6,968
Issuance of common stock (in shares)     28,830            
Issuance of common stock 759 $ 0     759        
Common stock issued for deferred compensation under the RSP (in shares)       11,367          
Common stock transferred from the Rabbi Trust to satisfy deferred compensation obligations 0       253   (253)    
Share-based payment awards under the Directors Plan 201           201    
Share-based compensation expense recognized in earnings under the RSP   21       $ 21      
Common stock repurchased (in shares)     (103,406)            
Common stock repurchased (2,650)       (2,650)        
Cash dividends paid (4,055)             (4,055)  
Ending balances (in shares) at Jun. 30, 2025     7,361,684            
Ending balances at Jun. 30, 2025 220,500       124,607   2,331 107,949 (14,387)
Beginning balances (in shares) at Mar. 31, 2025     7,408,010            
Beginning balances at Mar. 31, 2025 215,556       125,547   2,508 104,940 (17,439)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Comprehensive income (loss) 8,083             5,031 3,052
Issuance of common stock (in shares)     11,498            
Issuance of common stock 340       340        
Common stock transferred from the Rabbi Trust to satisfy deferred compensation obligations 0       211   (211)    
Share-based payment awards under the Directors Plan 34           34    
Share-based compensation expense recognized in earnings under the RSP   14       14      
Common stock repurchased (in shares)     (57,824)            
Common stock repurchased (1,505)       (1,505)        
Cash dividends paid (2,022)             (2,022)  
Ending balances (in shares) at Jun. 30, 2025     7,361,684            
Ending balances at Jun. 30, 2025 $ 220,500       124,607   2,331 107,949 (14,387)
Beginning balances (in shares) at Dec. 31, 2025 7,322,207   7,322,207            
Beginning balances at Dec. 31, 2025 $ 231,396       123,204   2,366 113,849 (8,023)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Comprehensive income (loss) 9,305             10,033 (728)
Issuance of common stock (in shares)     310,276            
Issuance of common stock 12,448 0     12,448        
Common stock issued for deferred compensation under the RSP (in shares)       9,492          
Common stock transferred from the Rabbi Trust to satisfy deferred compensation obligations 0       24   (24)    
Share-based payment awards under the Directors Plan 190           190    
Share-based compensation expense recognized in earnings under the RSP   29       29      
Common stock repurchased (in shares)     (13,166)            
Common stock repurchased (626)       (626)        
Cash dividends paid $ (4,038)             (4,038)  
Ending balances (in shares) at Jun. 30, 2026 7,628,809   7,628,809            
Ending balances at Jun. 30, 2026 $ 248,704       135,079   2,532 119,844 (8,751)
Beginning balances (in shares) at Mar. 31, 2026     7,333,319            
Beginning balances at Mar. 31, 2026 233,961       123,251   2,522 116,790 (8,602)
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Comprehensive income (loss) 4,892             5,041 (149)
Issuance of common stock (in shares)     300,594            
Issuance of common stock 12,015       12,015        
Common stock transferred from the Rabbi Trust to satisfy deferred compensation obligations 0       24   (24)    
Share-based payment awards under the Directors Plan 34           34    
Share-based compensation expense recognized in earnings under the RSP   $ 13       $ 13      
Common stock repurchased (in shares)     (5,104)            
Common stock repurchased (224)       (224)        
Cash dividends paid $ (1,987)             (1,987)  
Ending balances (in shares) at Jun. 30, 2026 7,628,809   7,628,809            
Ending balances at Jun. 30, 2026 $ 248,704       $ 135,079   $ 2,532 $ 119,844 $ (8,751)