Maine Republican U.S. Sen. Susan Collins had the best fundraising quarter of her career after she delivered a pivotal vote that helped seat Brett Kavanaugh on the Supreme Court, according to documents filed with the Federal Election Commission.

The Bangor Daily News reports that after announcing her decision to vote in favor of Kavanaugh's nomination during a speech on the Senate floor in early October, Collins raised $1.8 million in the final quarter of 2018.

The records show that of the nearly $900,000 Collins received from individual donors who contributed more than $200 to her campaign, just $19,000 came from individuals with Maine addresses.

"We made an effort to have a strong quarter because we wanted to send the message that Senator Collins will be prepared to run a vigorous campaign in 2020," said Amy Abbott, the deputy treasurer of Collins' campaign committee. "We focused our fundraising efforts nationally, which we typically do until the election year, which is why there were relatively fewer donations from Maine."

She said the campaign received "many contributions" from Maine that were under the $200 reporting threshold.

In the quarter before her Kavanaugh vote, Collins raised $140,000.

Collins' decision to support Kavanaugh's nomination led to a burst of donations for a potential 2020 challenger. So far no Democrats have emerged to challenge Collins next year.