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SUBSEQUENT EVENTS (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 17, 2023
Dec. 31, 2022
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Mar. 12, 2023
Subsequent Event [Line Items]                          
Investment securities available for sale, Cost Basis   $ 198,417,000       $ 161,416,000       $ 198,417,000 $ 161,416,000    
Total assets   1,363,874,000       1,335,560,000       1,363,874,000 1,335,560,000 $ 1,282,733,000  
Net income   947,000 $ 2,102,000 $ 1,981,000 $ 2,418,000 $ 1,852,000 $ 1,431,000 $ 1,708,000 $ 2,081,000 7,448,000 7,072,000 4,598,000  
Realized gain on equity securities                     $ 36,000 $ 2,000  
Signature Bank                          
Subsequent Event [Line Items]                          
Total assets   $ 110,400,000,000               110,400,000,000      
Net income                   $ 1,300,000,000      
Subsequent event | U.S. Agency | Signature Bank                          
Subsequent Event [Line Items]                          
Debt Securities                         $ 918,000
Subsequent event | Equity securities | Visa Inc. [Member]                          
Subsequent Event [Line Items]                          
Number of shares of equity securities to be sold 7,859                        
Purchase price $ 1,700,000                        
Cost of equity securities $ 0