JPA List retornando vazia. PersistentBag

public class InfNfePO {
        @OneToMany(mappedBy = "infNfePO", cascade = CascadeType.ALL, fetch = FetchType.EAGER, orphanRemoval = true)
	@LazyCollection(LazyCollectionOption.FALSE)
	@Getter
	@Setter
	protected List<DetPO> det;
} 

public class DetPO {
        @ManyToOne(optional = false)
	@JoinColumn(name = "nfe_infnfe_id")
	@Getter
	@Setter
	private InfNfePO infNfePO;
}