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INVESTMENT SECURITIES - Summary of AFS Securities with Unrealized Losses (Details) $ in Thousands | Mar. 31, 2025 USD ($) security | Dec. 31, 2024 USD ($) security
--- | --- | ---
Number of Securities |  |
Less Than 12 Months | security | 36 | 142
12 Months or More | security | 91 | 88
Total | security | 127 | 230
Fair Value |  |
Less Than 12 Months | $ 164,114 | $ 278,098
12 Months or More | 390,081 | 380,299
Total | 554,195 | 658,397
Unrealized Losses |  |
Less Than 12 Months | 694 | 2,233
12 Months or More | 35,121 | 34,742
Total | $ 35,815 | $ 36,975
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 | 18,417 | 18,063
Total | 18,417 | 18,063
Unrealized Losses |  |
Less Than 12 Months | 0 | 0
12 Months or More | 1,623 | 1,980
Total | $ 1,623 | $ 1,980
States and political subdivisions |  |
Number of Securities |  |
Less Than 12 Months | security | 5 | 13
12 Months or More | security | 42 | 42
Total | security | 47 | 55
Fair Value |  |
Less Than 12 Months | $ 5,104 | $ 10,080
12 Months or More | 186,328 | 189,448
Total | 191,432 | 199,528
Unrealized Losses |  |
Less Than 12 Months | 32 | 131
12 Months or More | 22,879 | 20,269
Total | $ 22,911 | $ 20,400
GSE residential MBSs |  |
Number of Securities |  |
Less Than 12 Months | security | 6 | 68
12 Months or More | security | 15 | 15
Total | security | 21 | 83
Fair Value |  |
Less Than 12 Months | $ 7,087 | $ 85,836
12 Months or More | 55,334 | 55,579
Total | 62,421 | 141,415
Unrealized Losses |  |
Less Than 12 Months | 16 | 1,117
12 Months or More | 2,789 | 3,180
Total | $ 2,805 | $ 4,297
GSE commercial MBSs |  |
Number of Securities |  |
Less Than 12 Months | security | 1 | 3
12 Months or More | security | 0 | 0
Total | security | 1 | 3
Fair Value |  |
Less Than 12 Months | $ 669 | $ 2,963
12 Months or More | 0 | 0
Total | 669 | 2,963
Unrealized Losses |  |
Less Than 12 Months | 2 | 21
12 Months or More | 0 | 0
Total | $ 2 | $ 21
GSE residential CMOs |  |
Number of Securities |  |
Less Than 12 Months | security | 19 | 52
12 Months or More | security | 18 | 15
Total | security | 37 | 67
Fair Value |  |
Less Than 12 Months | $ 131,523 | $ 158,439
12 Months or More | 70,080 | 56,443
Total | 201,603 | 214,882
Unrealized Losses |  |
Less Than 12 Months | 426 | 729
12 Months or More | 5,176 | 6,080
Total | $ 5,602 | $ 6,809
Non-agency CMOs |  |
Number of Securities |  |
Less Than 12 Months | security | 2 | 2
12 Months or More | security | 4 | 4
Total | security | 6 | 6
Fair Value |  |
Less Than 12 Months | $ 8,660 | $ 8,816
12 Months or More | 16,837 | 16,636
Total | 25,497 | 25,452
Unrealized Losses |  |
Less Than 12 Months | 127 | 218
12 Months or More | 1,783 | 2,248
Total | $ 1,910 | $ 2,466
Asset-backed |  |
Number of Securities |  |
Less Than 12 Months | security | 3 | 4
12 Months or More | security | 9 | 9
Total | security | 12 | 13
Fair Value |  |
Less Than 12 Months | $ 11,071 | $ 11,964
12 Months or More | 43,085 | 44,130
Total | 54,156 | 56,094
Unrealized Losses |  |
Less Than 12 Months | 91 | 17
12 Months or More | 871 | 985
Total | $ 962 | $ 1,002

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