Quarterly report pursuant to Section 13 or 15(d)

SECURITIES (Schedule of Amortized Cost and Estimated Fair Value of Securities) (Details)

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SECURITIES (Schedule of Amortized Cost and Estimated Fair Value of Securities) (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
AFS Securities [Abstract]    
Due in one year or less, Amortized Cost $ 52,594 $ 42,447
Due in one year or less, Estimated Fair Value 51,912 41,735
Due after one year through five years, Amortized Cost 122,772 158,063
Due after one year through five years, Estimated Fair Value 113,380 152,523
Due after five years through ten years, Amortized Cost 204,347 343,303
Due after five years through ten years, Estimated Fair Value 180,610 312,935
Due after ten years, Amortized Cost 2,280,541 2,660,548
Due after ten years, Estimated Fair Value 1,906,463 2,234,623
Total AFS securities 2,660,254 3,204,361
Total AFS securities, Estimated Fair Value 2,252,365 2,741,816
HTM Securities [Abstract]    
Due in one year or less, Carrying Value 2,051 2,010
Due in one year or less, Estimated Fair Value 2,044 2,006
Due after one year through five years, Carrying Value 36,675 35,044
Due after one year through five years, Estimated Fair Value 36,745 35,014
Due after five years through ten years, Carrying Value 28,128 19,941
Due after five years through ten years, Estimated Fair Value 28,355 20,239
Due after ten years, Carrying Value 788,564 790,737
Due after ten years, Estimated Fair Value 755,955 744,628
Total HTM Securities 855,418 847,732
Total HTM securities, Estimated Fair Value $ 823,099 $ 801,887