Annual report pursuant to Section 13 and 15(d)

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

v3.20.4
SECURITIES (Schedule of Amortized Cost and Estimated Fair Value of Securities) (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
AFS Securities [Abstract]    
Due in one year or less, Amortized Cost $ 19,875 $ 35,177
Due in one year or less, Estimated Fair Value 19,997 35,329
Due after one year through five years, Amortized Cost 161,448 164,605
Due after one year through five years, Estimated Fair Value 169,103 166,873
Due after five years through ten years, Amortized Cost 235,021 249,713
Due after five years through ten years, Estimated Fair Value 242,791 254,790
Due after ten years, Amortized Cost 2,022,903 1,443,932
Due after ten years, Estimated Fair Value 2,108,528 1,488,453
Total AFS securities 2,439,247 1,893,427
Total AFS securities, Estimated Fair Value 2,540,419 1,945,445
HTM Securities [Abstract]    
Due in one year or less, Carrying Value 1,443 502
Due in one year or less, Estimated Fair Value 1,460 504
Due after one year through five years, Carrying Value 8,577 10,258
Due after one year through five years, Estimated Fair Value 8,893 10,539
Due after five years through ten years, Carrying Value 1,744 1,768
Due after five years through ten years, Estimated Fair Value 1,805 1,800
Due after ten years, Carrying Value 533,087 542,616
Due after ten years, Estimated Fair Value 607,607 590,660
Total HTM Securities 544,851 555,144
Total HTM securities, Estimated Fair Value $ 619,765 $ 603,503