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INVESTMENT SECURITIES - Summary of AFS Securities with Unrealized Losses (Details) $ in Thousands | Sep. 30, 2024 USD ($) security | Dec. 31, 2023 USD ($) security
--- | --- | ---
Number of Securities |  |
Less Than 12 Months | security | 17 | 12
12 Months or More | security | 88 | 91
Total | security | 105 | 103
Fair Value |  |
Less Than 12 Months | $ 98,110 | $ 27,525
12 Months or More | 397,484 | 422,911
Total | 495,594 | 450,436
Unrealized Losses |  |
Less Than 12 Months | 379 | 326
12 Months or More | 28,175 | 36,561
Total | $ 28,554 | $ 36,887
U.S. Treasury securities |  |
Number of Securities |  |
Less Than 12 Months | security | 0 | 0
12 Months or More | security | 3 | 3
Total | security | 3 | 3
Fair Value |  |
Less Than 12 Months | $ 0 | $ 0
12 Months or More | 18,373 | 17,840
Total | 18,373 | 17,840
Unrealized Losses |  |
Less Than 12 Months | 0 | 0
12 Months or More | 1,674 | 2,217
Total | $ 1,674 | $ 2,217
States and political subdivisions |  |
Number of Securities |  |
Less Than 12 Months | security | 1 | 4
12 Months or More | security | 41 | 40
Total | security | 42 | 44
Fair Value |  |
Less Than 12 Months | $ 501 | $ 2,419
12 Months or More | 194,611 | 199,933
Total | 195,112 | 202,352
Unrealized Losses |  |
Less Than 12 Months | 6 | 53
12 Months or More | 15,104 | 18,477
Total | $ 15,110 | $ 18,530
GSE residential MBSs |  |
Number of Securities |  |
Less Than 12 Months | security | 0 | 0
12 Months or More | security | 15 | 15
Total | security | 15 | 15
Fair Value |  |
Less Than 12 Months | $ 0 | $ 0
12 Months or More | 56,909 | 57,632
Total | 56,909 | 57,632
Unrealized Losses |  |
Less Than 12 Months | 0 | 0
12 Months or More | 2,823 | 4,037
Total | $ 2,823 | $ 4,037
GSE commercial MBSs |  |
Number of Securities |  |
Less Than 12 Months | security | 1 |
12 Months or More | security | 0 |
Total | security | 1 |
Fair Value |  |
Less Than 12 Months | $ 854 |
12 Months or More | 0 |
Total | 854 |
Unrealized Losses |  |
Less Than 12 Months | 1 |
12 Months or More | 0 |
Total | $ 1 |
GSE residential CMOs |  |
Number of Securities |  |
Less Than 12 Months | security | 11 | 4
12 Months or More | security | 16 | 14
Total | security | 27 | 18
Fair Value |  |
Less Than 12 Months | $ 84,243 | $ 12,710
12 Months or More | 65,610 | 56,765
Total | 149,853 | 69,475
Unrealized Losses |  |
Less Than 12 Months | 326 | 186
12 Months or More | 4,755 | 6,014
Total | $ 5,081 | $ 6,200
Non-agency CMOs |  |
Number of Securities |  |
Less Than 12 Months | security | 0 | 3
12 Months or More | security | 4 | 4
Total | security | 4 | 7
Fair Value |  |
Less Than 12 Months | $ 0 | $ 11,531
12 Months or More | 16,353 | 16,334
Total | 16,353 | 27,865
Unrealized Losses |  |
Less Than 12 Months | 0 | 83
12 Months or More | 2,772 | 3,726
Total | $ 2,772 | $ 3,809
Asset-backed |  |
Number of Securities |  |
Less Than 12 Months | security | 4 | 1
12 Months or More | security | 9 | 15
Total | security | 13 | 16
Fair Value |  |
Less Than 12 Months | $ 12,512 | $ 865
12 Months or More | 45,628 | 74,407
Total | 58,140 | 75,272
Unrealized Losses |  |
Less Than 12 Months | 46 | 4
12 Months or More | 1,047 | 2,090
Total | $ 1,093 | $ 2,094

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