$15+1 To early to shove or no ?

[Joerii]

Poker Stars
No Limit Holdem Tournament
Blinds: t100/t200
(Ante: t25)
4 players
Converter

Stack sizes:
Hero: t3745
Button: t2150
SB: t4850
BB: t2755

Pre-flop: (4 players) Hero is UTG with A[img]/images/graemlins/heart.gif[/img] J[img]/images/graemlins/club.gif[/img]
<font color="#cc0000">Hero raises all-in t3720</font>,

Is this shove OK with 19 BB's left ? All the other players are tight and seem to have a good grasp of ICM ( as far as I can be the judge of that [img]/images/graemlins/smile.gif[/img]