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v3.23.1

INVESTMENT SECURITIES (Unrealized Gains and Losses by Category) (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Securities Available-for-Sale, Amortized Cost |  |
12 months or more | $ 782,921 | $ 171,011
Less than 12 months | 555,271 | 1,323,800
Amortized Cost | 1,338,192 | 1,494,811
Held-to-Maturity, Amortized Cost |  |
Total | 530,880 | 535,070
Securities Available-for-Sale, Unrealized Loss |  |
12 months or more | 80,057 | 33,027
Less than 12 months | 14,297 | 78,004
Total | 94,354 | 111,031
Held-to-Maturity, Unrealized Loss |  |
Total | 59,265 | 65,884
Securities Available-for-Sale, Fair Value |  |
12 months or more | 702,864 | 137,984
Less than 12 months | 540,974 | 1,245,796
Total | 1,243,838 | 1,383,780
Held-to-Maturity, Fair Value |  |
Total | 471,615 | 469,186
CMOs issued by US Government-sponsored agencies |  |
Securities Available-for-Sale, Amortized Cost |  |
12 months or more | 14,120 | 337
Less than 12 months |  | 15,297
Amortized Cost | 14,120 | 15,634
Securities Available-for-Sale, Unrealized Loss |  |
12 months or more | 649 | 7
Less than 12 months |  | 776
Total | 649 | 783
Securities Available-for-Sale, Fair Value |  |
12 months or more | 13,471 | 330
Less than 12 months |  | 14,521
Total | 13,471 | 14,851
FNMA and FHLMC certificates |  |
Securities Available-for-Sale, Amortized Cost |  |
12 months or more | 508,868 | 88,600
Less than 12 months | 296,396 | 745,566
Amortized Cost | 805,264 | 834,166
Held-to-Maturity, Amortized Cost |  |
12 months or more | 332,852 | 337,435
Total | 332,852 | 337,435
Securities Available-for-Sale, Unrealized Loss |  |
12 months or more | 48,105 | 18,989
Less than 12 months | 11,572 | 50,657
Total | 59,677 | 69,646
Held-to-Maturity, Unrealized Loss |  |
12 months or more | 56,683 | 62,358
Total | 56,683 | 62,358
Securities Available-for-Sale, Fair Value |  |
12 months or more | 460,763 | 69,611
Less than 12 months | 284,824 | 694,909
Total | 745,587 | 764,520
Held-to-Maturity, Fair Value |  |
12 months or more | 276,169 | 275,077
Total | 276,169 | 275,077
GNMA Securities |  |
Securities Available-for-Sale, Amortized Cost |  |
12 months or more | 259,933 | 82,074
Less than 12 months | 55,584 | 251,835
Amortized Cost | 315,517 | 333,909
Securities Available-for-Sale, Unrealized Loss |  |
12 months or more | 31,303 | 14,031
Less than 12 months | 1,612 | 24,838
Total | 32,915 | 38,869
Securities Available-for-Sale, Fair Value |  |
12 months or more | 228,630 | 68,043
Less than 12 months | 53,972 | 226,997
Total | 282,602 | 295,040
US Treasury securities |  |
Securities Available-for-Sale, Amortized Cost |  |
Less than 12 months | 203,081 | 310,862
Amortized Cost | 203,081 | 310,862
Held-to-Maturity, Amortized Cost |  |
Less than 12 months | 198,028 | 197,635
Total | 198,028 | 197,635
Securities Available-for-Sale, Unrealized Loss |  |
Less than 12 months | 1,109 | 1,729
Total | 1,109 | 1,729
Held-to-Maturity, Unrealized Loss |  |
Less than 12 months | 2,582 | 3,526
Total | 2,582 | 3,526
Securities Available-for-Sale, Fair Value |  |
Less than 12 months | 201,972 | 309,133
Total | 201,972 | 309,133
Held-to-Maturity, Fair Value |  |
Less than 12 months | 195,446 | 194,109
Total | 195,446 | 194,109
Other debt securities available for sale |  |
Securities Available-for-Sale, Amortized Cost |  |
Less than 12 months | 210 | 240
Amortized Cost | 210 | 240
Securities Available-for-Sale, Unrealized Loss |  |
Less than 12 months | 4 | 4
Total | 4 | 4
Securities Available-for-Sale, Fair Value |  |
Less than 12 months | 206 | 236
Total | $ 206 | $ 236

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