וַיִּמְאַ֨ס יְהוָ֜ה בְּכָל־זֶ֤רַע יִשְׂרָאֵל֙ וַיְעַנֵּ֔ם וַֽיִּתְּנֵ֖ם בְּיַד־שֹׁסִ֑ים עַ֛ד אֲשֶׁ֥ר הִשְׁלִיכָ֖ם מִפָּנָֽיו׃
And the LORD rejected all the seed of Israel, and afflicted them, and delivered them into the hand of spoilers, until He had cast them out of His sight.
Read Kabbalistic (mystical) interpretations of II Kings 17:20: Zohar and classical Jewish mystical sources, free online.