The original plan way back IIRC was to acquire around 33 "Virginias" - Congress now seems to be looking at maybe 66 eventually. Current status is around
Completed 19
Building 11
On order 8
with 3 - 4 years between being laid down and commissioning so you could say that the current order book pretty much fulfills the original intention. Selling a few out of the future production run won't hurt, especially as they will be effectively working as USN boats against the same threats.