XML 54 R41.htm IDEA: XBRL DOCUMENT v3.23.3
INVESTMENTS (Schedule of Unrealized Gross Losses and Estimated Fair values of Investment Securities) (Details)
$ in Thousands
Sep. 30, 2023
USD ($)
security
Dec. 31, 2022
USD ($)
security
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | security 297 335
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 65,583 $ 215,593
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 2,628 16,957
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 511,256 457,955
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (113,432) (84,273)
Debt Securities, Available-for-sale, Unrealized Loss Position, Total 576,839 673,548
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ 116,060 $ 101,230
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 82 83
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 29,363 $ 42,276
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 1,272 463
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 11,306 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (711) 0
Debt Securities, Available-for-sale, Unrealized Loss Position, Total 40,669 42,276
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ 1,983 $ 463
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 153 175
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 12,086 $ 118,290
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 274 11,521
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 405,769 381,355
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (96,563) (73,436)
Debt Securities, Available-for-sale, Unrealized Loss Position, Total 417,855 499,645
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ 96,837 $ 84,957
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 50 64
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 21,429 $ 47,340
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 172 4,589
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 78,344 62,007
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (13,927) (8,824)
Debt Securities, Available-for-sale, Unrealized Loss Position, Total 99,773 109,347
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ 14,099 $ 13,413
Corporate bonds    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | security 12 13
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 2,705 $ 7,687
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 910 384
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 15,837 14,593
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (2,231) (2,013)
Debt Securities, Available-for-sale, Unrealized Loss Position, Total 18,542 22,280
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ 3,141 $ 2,397