GARDEN GROVE (AP) — The Diocese of Orange has received a $20 million donation to help renovate the famous glass-sided Crystal Cathedral and turn the campus into a center of Catholic life.

The Roman Catholic Diocese of Orange said Wednesday that the gift came from a single donor who wants to remain anonymous.

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It is the largest donation ever received by the Southern California diocese, which is home to 1.3 million Catholics.

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The diocese says it plans to renovate the 34-acre campus and reopen the 2,000-seat sanctuary in 2017 as a cathedral for Orange County.

The diocese bought the property in 2012 after Crystal Cathedral Ministries declared bankruptcy.

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