Washington (CNN) Republicans and Democrats are at an impasse over which documents are relevant to Judge Brett Kavanaugh's nomination to the Supreme Court, threatening Republican hopes the nomination can move quickly through the Senate.

Weeks after he was nominated, Kavanaugh's extensive paper trail both as a judge on the DC Circuit and as a staff secretary in the Bush-era White House remains a flash point between the two parties with Republicans accusing Democrats of leading a fishing expedition for irrelevant information and Democrats accusing Republicans of obscuring Kavanaugh's past record.

Sen. John Cornyn, a leading Republican on the Senate Judiciary Committee and majority whip, told reporters Wednesday that he has agreed to sit down with White House counsel, Senate Judiciary Committee top Democrat Sen. Dianne Feinstein of California and Senate Judiciary Chairman Chuck Grassley of Iowa to try and work something out, but Cornyn wouldn't give a deadline for when an agreement would be made.

"I agreed to meet with Sen. Feinstein, Sen. Grassley and the White House counsel to talk more about that, but I know there are a lot of conversations occurring, and I think the intention is to produce relevant documents as soon as possible on a rolling basis." Cornyn said.

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