The subject of homosexuality and Judaism dates back to the Torah. The book of Vayikra Leviticus is traditionally regarded as classifying sexual intercourse between males as a to'eivah something abhorred or detested that can be subject to capital punishment by the currently non-existent Sanhedrin under halakha Jewish law. The issue has been a subject of contention within modern Jewish denominations , and has led to debate and division. Traditionally, Judaism has understood homosexual male intercourse as contrary to Judaism, and this opinion is still maintained by Orthodox Judaism. On the other hand, Reconstructionist Judaism and Reform Judaism do not hold this view, and allow homosexual intercourse and same-sex marriage.