What does 2 Kings 23:15 mean?

He also tore down the altar at Bethel—the high place Jeroboam, son of Nebat, had built to lead Israel into sin. He destroyed that altar and the high place, burned it, crushed it to dust, and burned the Asherah pole. 2 Kings 23:15 - Modern Text Bible

(Josiah doesn’t just stop in Judah; he goes north to Bethel, destroying the original site of Israel’s idol worship.)