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INVESTMENT SECURITIES - Held-to-Maturity Securities Continuous Unrealized Loss Position (Details)
$ in Thousands
Dec. 31, 2022
USD ($)
Fair Value  
Less Than 12 Months $ 23,438
12 Months or Greater 386,766
Total 410,204
Gross Unrealized Losses  
Less Than 12 Months (2,121)
12 Months or Greater (52,505)
Total (54,626)
U.S. treasury securities  
Fair Value  
Less Than 12 Months 0
12 Months or Greater 87,466
Total 87,466
Gross Unrealized Losses  
Less Than 12 Months 0
12 Months or Greater (4,149)
Total (4,149)
U.S. agency  
Fair Value  
Less Than 12 Months 0
12 Months or Greater 14,571
Total 14,571
Gross Unrealized Losses  
Less Than 12 Months 0
12 Months or Greater (1,838)
Total (1,838)
State, county and municipal securities  
Fair Value  
Less Than 12 Months 9,858
12 Months or Greater 105,734
Total 115,592
Gross Unrealized Losses  
Less Than 12 Months (1,392)
12 Months or Greater (18,126)
Total (19,518)
Mortgage-backed securities  
Fair Value  
Less Than 12 Months 13,580
12 Months or Greater 178,995
Total 192,575
Gross Unrealized Losses  
Less Than 12 Months (729)
12 Months or Greater (28,392)
Total $ (29,121)