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INVESTMENTS (Schedule of Unrealized Gross Losses and Estimated Fair values of Investment Securities) (Details)
$ in Thousands
Mar. 31, 2025
USD ($)
security
Dec. 31, 2024
USD ($)
security
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | security 211 204
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 69,975 $ 74,749
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 221 500
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 427,246 427,491
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (67,124) (79,609)
Debt Securities, Available-for-sale, Unrealized Loss Position, Total 497,221 502,240
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ 67,345 $ 80,109
Obligations of states and political subdivisions    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | security 9 11
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 719 $ 1,377
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 3 7
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 3,618 3,597
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (105) (127)
Debt Securities, Available-for-sale, Unrealized Loss Position, Total 4,337 4,974
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ 108 $ 134
MBS issued or guaranteed by U.S. government-sponsored enterprises    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | security 141 136
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 22,408 $ 36,732
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 67 260
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 353,254 352,823
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (57,742) (68,903)
Debt Securities, Available-for-sale, Unrealized Loss Position, Total 375,662 389,555
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ 57,809 $ 69,163
CMO issued or guaranteed by U.S. government-sponsored enterprises    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | security 52 47
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 46,848 $ 36,146
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 151 227
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 54,633 55,540
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (7,825) (8,927)
Debt Securities, Available-for-sale, Unrealized Loss Position, Total 101,481 91,686
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ 7,976 $ 9,154
Subordinated corporate bonds    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | security 9 10
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 0 $ 494
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 0 6
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 15,741 15,531
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (1,452) (1,652)
Debt Securities, Available-for-sale, Unrealized Loss Position, Total 15,741 16,025
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ 1,452 $ 1,658