2 Chronicles 17:1-3

Jehoshaphat, Asa’s son, became king of Judah in his place. Jehoshaphat made Judah strong so they could fight against Israel. He put troops in all the strong, walled cities of Judah, in the land of Judah, and in the towns of Ephraim that his father Asa had captured. The LORD was with Jehoshaphat, because he lived as his ancestor David had lived when he first became king. Jehoshaphat did not ask for help from the Baal idols