Annual report pursuant to Section 13 and 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
Dec. 31, 2022
Dec. 31, 2021
AFS Securities [Abstract]    
Due in one year or less, Amortized Cost $ 42,447 $ 18,247
Due in one year or less, Estimated Fair Value 41,735 18,317
Due after one year through five years, Amortized Cost 158,063 180,080
Due after one year through five years, Estimated Fair Value 152,523 183,981
Due after five years through ten years, Amortized Cost 343,303 324,615
Due after five years through ten years, Estimated Fair Value 312,935 331,215
Due after ten years, Amortized Cost 2,660,548 2,925,842
Due after ten years, Estimated Fair Value 2,234,623 2,948,137
Total AFS securities 3,204,361 3,448,784
Total AFS securities, Estimated Fair Value 2,741,816 3,481,650
HTM Securities [Abstract]    
Due in one year or less, Carrying Value 2,010 3,034
Due in one year or less, Estimated Fair Value 2,006 3,027
Due after one year through five years, Carrying Value 35,044 5,852
Due after one year through five years, Estimated Fair Value 35,014 6,065
Due after five years through ten years, Carrying Value 19,941 14,019
Due after five years through ten years, Estimated Fair Value 20,239 15,984
Due after ten years, Carrying Value 790,737 605,095
Due after ten years, Estimated Fair Value 744,628 668,698
Total HTM Securities 847,732 628,000
Total HTM securities, Estimated Fair Value $ 801,887 $ 693,774