v3.25.2
STOCKHOLDERS' EQUITY (Narrative) (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Apr. 01, 2025
USD ($)
shares
Oct. 21, 2024
$ / shares
shares
Jun. 09, 2020
$ / shares
shares
Jun. 30, 2025
item
shares
Jun. 30, 2025
USD ($)
item
shares
Jun. 30, 2024
USD ($)
Dec. 31, 2024
shares
Accumulated Other Comprehensive Income (Loss) [Line Items]              
Preferred stock, shares authorized       500,000 500,000   500,000
Proceeds for issuance of common stock | $         $ 0 $ 227  
Number of active share repurchase programs | item       0 0    
Preferred stock, shares outstanding       17,250 17,250   17,250
Sandy Spring              
Accumulated Other Comprehensive Income (Loss) [Line Items]              
Shares issued and sold       41,000,004      
Sandy Spring | Morgan Stanley & Co. LLC [Member]              
Accumulated Other Comprehensive Income (Loss) [Line Items]              
Shares issued and sold 11,338,028 9,859,155   11,338,028      
Proceeds for issuance of common stock | $ $ 385,000            
Number of stocks option, granted   1,478,873          
Sandy Spring | Morgan Stanley & Co. LLC [Member] | Maximum [Member]              
Accumulated Other Comprehensive Income (Loss) [Line Items]              
Sale of price per share | $ / shares   $ 35.5          
Depositary Shares              
Accumulated Other Comprehensive Income (Loss) [Line Items]              
Shares issued and sold     6,900,000        
Number of shares to be purchased upon the exercise of options     900,000        
Preferred stock, liquidation preference (usd per share) | $ / shares     $ 25        
Series A Preferred Stock [Member]              
Accumulated Other Comprehensive Income (Loss) [Line Items]              
Number of preferred stock represented by each depositary share     each representing a 1/400th ownership interest in a share of its Series A preferred stock        
Preferred stock, liquidation preference (usd per share) | $ / shares     $ 10,000