Wow! That's unbelievably horrible.
Hopefully the culprit is not only captured on their CCTV Surveillance, but more importantly entering into a get away vehicle (where a plate can be obtained / tracked down).
I would guess if the scratches are deep enough, it would require a repaint, which will likely end up being a couple thousand given they got all four doors.
Geezuz man..... so sorry.
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