After Liev Schreiber and Naomi Watts shocked fans by unexpectedly announcing their split Monday, new details surrounding their divorce have now been revealed.

According to a source at E! News, the split wasn't the result of a particular marital issue, but "it was a long time coming." Further, the source told the publication that the couple will continue to live in LA and NYC as they continue to co-parent.

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"They'll still be good friends and co-parents," the source said.

The couple, who were together 11 years, share sons Alexander Pete, 9, and Samuel Kai, 7.