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
Jun. 30, 2023
Dec. 31, 2022
AFS Securities [Abstract]    
Due in one year or less, Amortized Cost $ 61,773 $ 42,447
Due in one year or less, Estimated Fair Value 61,041 41,735
Due after one year through five years, Amortized Cost 121,001 158,063
Due after one year through five years, Estimated Fair Value 109,793 152,523
Due after five years through ten years, Amortized Cost 211,096 343,303
Due after five years through ten years, Estimated Fair Value 179,272 312,935
Due after ten years, Amortized Cost 2,238,684 2,660,548
Due after ten years, Estimated Fair Value 1,832,342 2,234,623
Total AFS securities 2,632,554 3,204,361
Total AFS securities, Estimated Fair Value 2,182,448 2,741,816
HTM Securities [Abstract]    
Due in one year or less, Carrying Value 2,037 2,010
Due in one year or less, Estimated Fair Value 2,025 2,006
Due after one year through five years, Carrying Value 35,942 35,044
Due after one year through five years, Estimated Fair Value 35,830 35,014
Due after five years through ten years, Carrying Value 35,796 19,941
Due after five years through ten years, Estimated Fair Value 35,281 20,239
Due after ten years, Carrying Value 775,835 790,737
Due after ten years, Estimated Fair Value 734,662 744,628
Total HTM Securities 849,610 847,732
Total HTM securities, Estimated Fair Value $ 807,798 $ 801,887