Spanish Rice with Chicken

Name: Spanish Rice with Chicken
Cuisine: European, Mediterranean, Spanish
Ingredients: 4 bone-in chicken thighs, skin on; 2 tbsp olive oil; 1 medium onion, finely chopped; 1 green bell pepper, diced; 1 red bell pepper, diced; 3 cloves garlic, minced; 1 cup short-grain rice (like Bomba or Arborio); 1/2 tsp smoked paprika; 1/4 tsp saffron threads, crushed; 1/2 tsp ground cumin; Salt and black pepper, to taste; 1 medium tomato, grated; 3 cups chicken broth; 1/2 cup frozen peas; Fresh parsley, chopped, for garnish; Lemon wedges, for serving