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INVESTMENT SECURITIES (Schedule of amortized cost and fair value of securities held-to-maturity) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost $ 382,099 $ 2,760
Total Securities 380,100 2,800
Held-to-maturity Securities    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 382,099 2,760
Gross Unrealized/Unrecognized Gains 410 67
Gross Unrealized/Unrecognized Losses (2,401)  
Total Securities 380,108 2,827
Held-to-maturity Securities | US Treasury Securities    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 29,811  
Gross Unrealized/Unrecognized Gains 6  
Gross Unrealized/Unrecognized Losses (43)  
Total Securities 29,774  
Held-to-maturity Securities | U.S. State and Municipal securities    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 16,055  
Gross Unrealized/Unrecognized Gains 299  
Total Securities 16,354  
Held-to-maturity Securities | Residential MBS    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 328,095 2,760
Gross Unrealized/Unrecognized Gains 105 67
Gross Unrealized/Unrecognized Losses (2,259)  
Total Securities 325,941 $ 2,827
Held-to-maturity Securities | Commercial MBS    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 8,138  
Gross Unrealized/Unrecognized Losses (99)  
Total Securities $ 8,039