ham and bean soup recipe

Ingredients 1 lb dried navy beans or great northern beans 1 meaty ham bone or 2 cups diced ham 2 tbsp olive oil 1 onion, chopped 2 carrots, peeled and chopped 2 celery stalks, chopped 3 cloves garlic, minced 8 cups chicken broth (or water) 2 bay leaves 1 tsp dried thyme