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SECURITIES, Securities with Unrealized Losses, Available for Sale (Details)
$ in Thousands
Sep. 30, 2021
USD ($)
Security
Dec. 31, 2020
USD ($)
Available for sale, Fair Value [Abstract]    
Less than 12 months $ 225,575 $ 203,683
12 months or more 54,630 0
Total 280,205 203,683
Available for sale, Unrealized Loss [Abstract]    
Less than 12 months 2,260 787
12 months or more 2,221 0
Total $ 4,481 787
Number of securities with an unrealized loss | Security 29  
U.S. Government and Agencies [Member]    
Available for sale, Fair Value [Abstract]    
Less than 12 months $ 0 0
12 months or more 0 0
Total 0 0
Available for sale, Unrealized Loss [Abstract]    
Less than 12 months 0 0
12 months or more 0 0
Total 0 0
State and Municipal [Member]    
Available for sale, Fair Value [Abstract]    
Less than 12 months 52,939 0
12 months or more 0 0
Total 52,939 0
Available for sale, Unrealized Loss [Abstract]    
Less than 12 months 550 120
12 months or more 0 0
Total 550 120
Mortgage-backed Securities [Member]    
Available for sale, Fair Value [Abstract]    
Less than 12 months 66,197 93,482
12 months or more 54,630 0
Total 120,827 93,482
Available for sale, Unrealized Loss [Abstract]    
Less than 12 months 1,285 194
12 months or more 2,221 0
Total 3,506 194
Collateralized Mortgage Obligations [Member]    
Available for sale, Fair Value [Abstract]    
Less than 12 months 106,439 106,715
12 months or more 0 0
Total 106,439 106,715
Available for sale, Unrealized Loss [Abstract]    
Less than 12 months 425 460
12 months or more 0 0
Total 425 460
Asset-backed and Other Amortizing Securities [Member]    
Available for sale, Fair Value [Abstract]    
Less than 12 months 0 0
12 months or more 0 0
Total 0 0
Available for sale, Unrealized Loss [Abstract]    
Less than 12 months 0 0
12 months or more 0 0
Total 0 0
Other Securities [Member]    
Available for sale, Fair Value [Abstract]    
Less than 12 months 0 3,486
12 months or more 0 0
Total 0 3,486
Available for sale, Unrealized Loss [Abstract]    
Less than 12 months 0 13
12 months or more 0 0
Total $ 0 $ 13