0001163668 2021-01-27 2021-01-27 false SOUTH PLAINS FINANCIAL, INC. 5219 CITY BANK PARKWAY LUBBOCK 0001163668 8-K 2021-01-27 TX 001-38895 75-2453320 TX 79407 806 792-7101 false false false false Common Stock, par value $1.00 per share SPFI NASDAQ true false