2 Chronicles 17:1-6

Jehoshaphat his son then became king [of Judah] in Asa’s place, and strengthened his position over Israel. He placed troops in all the fortified cities of Judah, and set garrisons in the land of Judah and in the cities of Ephraim which his father Asa had captured. The LORD was with Jehoshaphat because he followed the example of his father (ancestor) David. He did not seek [to follow] the Baals [the false gods], but sought the God of his father, and walked in (obeyed) His commandments, and did not act as Israel did. Therefore the LORD established the kingdom in his hand; and all Judah brought tribute to Jehoshaphat, and he had great wealth and honor. His heart was encouraged and he took great pride in the ways of the LORD; moreover, he again removed the high places [of pagan worship] and the Asherim from Judah.