unity simple singleton component

SingletonComponent.cs

using System;
using UnityEngine;

namespace Utilities
{
    public class SingletonComponent<T> : MonoBehaviour where T : MonoBehaviour
    {
        private static T _instance;

        public static T Instance
        {
            get
            {
                if (_instance == null)
                {
                    _instance = (T)FindObjectOfType<T>();
                }

                return _instance;
            }
        }

        protected void Awake()
        {
            if (_instance == null)
            {
                _instance = (T)FindObjectOfType<T>();
                return;
            }

            if (this != _instance)
            {
                Destroy(this);
                throw new Exception(string.Format("[SingletonComponent.Awake] exists singleton instance"));
            }
        }
    }
}