A person is guilty of escape in the second degree when:

1. He escapes from a detention facility; or

2. Having been arrested for, charged with or convicted of a class C, class D or class E felony, he escapes from custody; or

3. Having been adjudicated a youthful offender, which finding was substituted for the conviction of a felony, he escapes from custody.

Escape in the second degree is a class E felony.