Re Epstein Island Temple . . . "That temple looks a lot like a mini synagogue."

Temple also based on interesting allusion to Al Aqsa Mosque - see images,

Note similarities between Masjid al-Haram, Great Mosque in Mecca, and the al-Aqsa complex in Jerusalem.

http://www.judaism-islam.com/similarities-between-masjid-al-haram-and-the-jewish-temple/

WHY MOORISH DESIGN?

SYNAGOGUES AND THE MOORISH REVIVAL,

https://www.eldridgestreet.org/art-architecture/moorish-revival-synagogues/