Slow Cooker White Chicken Chili

• 1 ½ pounds boneless, skinless chicken thighs
• 4 cups chicken stock
• 3 (4-ounce) cans diced green chiles
• 1 (15.5 ounce) can cannellini beans, drained and rinsed
• 1 (15.5 ounce) can garbanzo beans, drained and rinsed
• 1 medium sweet onion, diced
• 4 cloves garlic, minced
• 1 teaspoon ground cumin
• 1 teaspoon dried oregano
• Kosher salt and freshly ground black pepper, to taste
• ½ cup chopped fresh cilantro leaves
• 2 tablespoons freshly squeezed lime juice

For the toppings

• 1 ½ cups tortilla chips
• ½ cup fresh cilantro leaves
• ½ cup sour cream
• ½ cup diced red onion
• 1 avocado, halved, seeded, peeled and sliced
• 1 lime, cut into wedges