0001163668 2021-05-18 2021-05-18 false SOUTH PLAINS FINANCIAL, INC. 021-65378 00-0000000 5219 CITY BANK PARKWAY LUBBOCK 79407-3544 0001163668 8-K 2021-05-18 TX TX 806 792-7101 false false false false Common Stock, par value $1.00 per share SPFI NASDAQ true false