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SECURITIES, Amortized Cost and Fair Value of Securities with Gross Unrealized Gains and Losses (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Available for sale [Abstract]    
Amortized cost $ 792,713 $ 804,469
Gross unrealized gains 972 27
Gross unrealized losses (95,106) (102,785)
Allowance for credit losses 0  
Fair value 698,579 701,711
State and Municipal [Member]    
Available for sale [Abstract]    
Amortized cost 258,575 259,429
Gross unrealized gains 26 27
Gross unrealized losses (27,424) (34,401)
Allowance for credit losses 0  
Fair value 231,177 225,055
Residential Mortgage-backed Securities [Member]    
Available for sale [Abstract]    
Amortized cost 380,008 386,783
Gross unrealized gains 946 0
Gross unrealized losses (53,431) (57,938)
Allowance for credit losses 0  
Fair value 327,523 328,845
Commercial Mortgage-backed Securities [Member]    
Available for sale [Abstract]    
Amortized cost 48,843 49,161
Gross unrealized gains 0 0
Gross unrealized losses (6,176) (7,194)
Allowance for credit losses 0  
Fair value 42,667 41,967
Commercial Collateralized Mortgage Obligations [Member]    
Available for sale [Abstract]    
Amortized cost 73,024 76,189
Gross unrealized gains 0 0
Gross unrealized losses (5,473) (551)
Allowance for credit losses 0  
Fair value 67,551 75,638
Asset-backed and Other Amortizing Securities [Member]    
Available for sale [Abstract]    
Amortized cost 20,263 20,907
Gross unrealized gains 0 0
Gross unrealized losses (1,594) (1,813)
Allowance for credit losses 0  
Fair value 18,669 19,094
Other Securities [Member]    
Available for sale [Abstract]    
Amortized cost 12,000 12,000
Gross unrealized gains 0 0
Gross unrealized losses (1,008) (888)
Allowance for credit losses 0  
Fair value $ 10,992 $ 11,112