Looking for a recommendation – Russian literature

Lately I’ve been really into Russian literature. I’m looking for a recommendation for something brilliant, but not too heavy. So far I’ve read: Crime and Punishment, The Brothers Karamazov, Poor Folk, War and Peace, Anna Karenina, The Cossacks, The Master and Margarita, A Sportsman’s Sketches, and Demons. I’ve heard great things about The Idiot by [...]